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* Handle ephemeral hosts
* Node empheral removal timeout 86400 seconds (1 day)
* Move config from health to global section
* Set a node to queryable false when it is ephemeral and is removed
* Log queryable. Send queryable=0 only when forcing host deletion (the node is ephemeral)
* Switch to "is ephemeral node"
Document stream.conf
* Unregister node id
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* cleanup of logging - wip
* first working iteration
* add errno annotator
* replace old logging functions with netdata_logger()
* cleanup
* update error_limit
* fix remanining error_limit references
* work on fatal()
* started working on structured logs
* full cleanup
* default logging to files; fix all plugins initialization
* fix formatting of numbers
* cleanup and reorg
* fix coverity issues
* cleanup obsolete code
* fix formatting of numbers
* fix log rotation
* fix for older systems
* add detection of systemd journal via stderr
* finished on access.log
* remove left-over transport
* do not add empty fields to the logs
* journal get compact uuids; X-Transaction-ID header is added in web responses
* allow compiling on systems without memfd sealing
* added libnetdata/uuid directory
* move datetime formatters to libnetdata
* add missing files
* link the makefiles in libnetdata
* added uuid_parse_flexi() to parse UUIDs with and without hyphens; the web server now read X-Transaction-ID and uses it for functions and web responses
* added stream receiver, sender, proc plugin and pluginsd log stack
* iso8601 advanced usage; line_splitter module in libnetdata; code cleanup
* add message ids to streaming inbound and outbound connections
* cleanup line_splitter between lines to avoid logging garbage; when killing children, kill them with SIGABRT if internal checks is enabled
* send SIGABRT to external plugins only if we are not shutting down
* fix cross cleanup in pluginsd parser
* fatal when there is a stack error in logs
* compile netdata with -fexceptions
* do not kill external plugins with SIGABRT
* metasync info logs to debug level
* added severity to logs
* added json output; added options per log output; added documentation; fixed issues mentioned
* allow memfd only on linux
* moved journal low level functions to journal.c/h
* move health logs to daemon.log with proper priorities
* fixed a couple of bugs; health log in journal
* updated docs
* systemd-cat-native command to push structured logs to journal from the command line
* fix makefiles
* restored NETDATA_LOG_SEVERITY_LEVEL
* fix makefiles
* systemd-cat-native can also work as the logger of Netdata scripts
* do not require a socket to systemd-journal to log-as-netdata
* alarm notify logs in native format
* properly compare log ids
* fatals log alerts; alarm-notify.sh working
* fix overflow warning
* alarm-notify.sh now logs the request (command line)
* anotate external plugins logs with the function cmd they run
* added context, component and type to alarm-notify.sh; shell sanitization removes control character and characters that may be expanded by bash
* reformatted alarm-notify logs
* unify cgroup-network-helper.sh
* added quotes around params
* charts.d.plugin switched logging to journal native
* quotes for logfmt
* unify the status codes of streaming receivers and senders
* alarm-notify: dont log anything, if there is nothing to do
* all external plugins log to stderr when running outside netdata; alarm-notify now shows an error when notifications menthod are needed but are not available
* migrate cgroup-name.sh to new logging
* systemd-cat-native now supports messages with newlines
* socket.c logs use priority
* cleanup log field types
* inherit the systemd set INVOCATION_ID if found
* allow systemd-cat-native to send messages to a systemd-journal-remote URL
* log2journal command that can convert structured logs to journal export format
* various fixes and documentation of log2journal
* updated log2journal docs
* updated log2journal docs
* updated documentation of fields
* allow compiling without libcurl
* do not use socket as format string
* added version information to newly added tools
* updated documentation and help messages
* fix the namespace socket path
* print errno with error
* do not timeout
* updated docs
* updated docs
* updated docs
* log2journal updated docs and params
* when talking to a remote journal, systemd-cat-native batches the messages
* enable lz4 compression for systemd-cat-native when sending messages to a systemd-journal-remote
* Revert "enable lz4 compression for systemd-cat-native when sending messages to a systemd-journal-remote"
This reverts commit b079d53c11f6687cd64d804fdd7b24c0492bf245.
* note about uncompressed traffic
* log2journal: code reorg and cleanup to make modular
* finished rewriting log2journal
* more comments
* rewriting rules support
* increased limits
* updated docs
* updated docs
* fix old log call
* use journal only when stderr is connected to journal
* update netdata.spec for libcurl, libpcre2 and log2journal
* pcre2-devel
* do not require pcre2 in centos < 8, amazonlinux < 2023, open suse
* log2journal only on systems pcre2 is available
* ignore log2journal in .gitignore
* avoid log2journal on centos 7, amazonlinux 2 and opensuse
* add pcre2-8 to static build
* undo last commit
* Bundle to static
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
* Add build deps for deb packages
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
* Add dependencies; build from source
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
* Test build for amazon linux and centos expect to fail for suse
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
* fix minor oversight
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
* Reorg code
* Add the install from source (deps) as a TODO
* Not enable the build on suse ecosystem
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
---------
Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
Co-authored-by: Tasos Katsoulas <tasos@netdata.cloud>
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Code cleanup
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This reverts commit 440bd51e08fdfa2a4daa191fb68643456028a753.
dbengine was still being used for non-zero tiers
even on non-dbengine modes.
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* Storage engine.
* Host indexes to rrdb
* Move globals to rrdb
* Move storage_tiers_backfill to rrdb
* default_rrd_update_every to rrdb
* default_rrd_history_entries to rrdb
* gap_when_lost_iterations_above to rrdb
* rrdset_free_obsolete_time_s to rrdb
* libuv_worker_threads to rrdb
* ieee754_doubles to rrdb
* rrdhost_free_orphan_time_s to rrdb
* rrd_rwlock to rrdb
* localhost to rrdb
* rm extern from func decls
* mv rrd macro under rrd.h
* default_rrdeng_page_cache_mb to rrdb
* default_rrdeng_extent_cache_mb to rrdb
* db_engine_journal_check to rrdb
* default_rrdeng_disk_quota_mb to rrdb
* default_multidb_disk_quota_mb to rrdb
* multidb_ctx to rrdb
* page_type_size to rrdb
* tier_page_size to rrdb
* No storage_engine_id in rrdim functions
* storage_engine_id is provided by st
* Update to fix merge conflict.
* Update field name
* Remove unnecessary macros from rrd.h
* Rm unused type decls
* Rm duplicate func decls
* make internal function static
* Make the rest of public dbengine funcs accept a storage_instance.
* No more rrdengine_instance :)
* rm rrdset_debug from rrd.h
* Use rrdb to access globals in ML and ACLK
Missed due to not having the submodules in the
worktree.
* rm total_number
* rm RRDVAR_TYPE_TOTAL
* rm unused inline
* Rm names from typedef'd enums
* rm unused header include
* Move include
* Rm unused header include
* s/rrdhost_find_or_create/rrdhost_get_or_create/g
* s/find_host_by_node_id/rrdhost_find_by_node_id/
Also, remove duplicate definition in rrdcontext.c
* rm macro used only once
* rm macro used only once
* Reduce rrd.h api by moving funcs into a collector specific utils header
* Remove unused func
* Move parser specific function out of rrd.h
* return storage_number instead of void pointer
* move code related to rrd initialization out of rrdhost.c
* Remove tier_grouping from rrdim_tier
Saves 8 * storage_tiers bytes per dimension.
* Fix rebase
* s/rrd_update_every/update_every/
* Mark functions as static and constify args
* Add license notes and file to build systems.
* Remove remaining non-log/config mentions of memory mode
* Move rrdlabels api to separate file.
Also, move localhost functions that loads
labels outside of database/ and into daemon/
* Remove function decl in rrd.h
* merge rrdhost_cache_dir_for_rrdset_alloc into rrdset_cache_dir
* Do not expose internal function from rrd.h
* Rm NETDATA_RRD_INTERNALS
Only one function decl is covered. We have more
database internal functions that we currently
expose for no good reason. These will be placed
in a separate internal header in follow up PRs.
* Add license note
* Include libnetdata.h instead of aral.h
* Use rrdb to access localhost
* Fix builds without dbengine
* Add header to build system files
* Add rrdlabels.h to build systems
* Move func def from rrd.h to rrdhost.c
* Fix macos build
* Rm non-existing function
* Rebase master
* Define buffer length macro in ad_charts.
* Fix FreeBSD builds.
* Mark functions static
* Rm func decls without definitions
* Rebase master
* Rebase master
* Properly initialize value of storage tiers.
* Fix build after rebase.
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* claim script now accepts the same params as the kickstart
* rewrote buildinfo to unify all methods
* added cloud unavailable in cloud status
* added all exporters
* renamed httpd to h2o
* rename ENABLE_COMPRESSION to ENABLE_LZ4
* rename global variable
* rename ENABLE_HTTPS to ENABLE_OPENSSL
* fix coverity-scan for openssl
* add lz4 to coverity-scan
* added all plugins and most of the features
* added all plugins and most of the features
* generalize bitmap code so that we can have any size of bitmaps
* cleanup
* fix compilation without protobuf
* fix compilation with others allocators
* fix bitmap
* comprehensive bitmaps unit test
* bitmap as macros
* added developer mode
* added system info to build info
* cloud available/unavailable
* added /api/v2/info
* added units and ni to transitions
* when showing instances and transitions, show only the instances that have transitions
* cleanup
* add missing quotes
* add anchor to transitions
* added more to build info
* calculate retention per tier and expose it to /api/v2/info
* added currently collected metrics
* do not show space and retention when no numbers are available
* fix impossible overflow
* Add function for transitions and execute callback
* In case of error, reset and try next dictionary entry
* Fix error message
* simpler logic to maintain retention per tier
* /api/v2/alert_transitions
* Handle case of recipient null
Convert after and before to usec
* Add classification, type and component
* working /api/v2/alert_transitions
* Fix query to properly handle context and alert name
* cleanup
* Add search with transition
* accept transition in /api/v2/alert_transitions
* totaly dynamic facets
* fixed debug info
* restructured facets
* cleanup; removal of options=transitions
* updated alert entries flags
* method to exec
* Return also exec run timestamp
Temp table cleanup only when we don't execute with a transition
* cleanup obsolete anchor parameter
* Add sql_get_alert_configuration function
* added options=config to alert_transitions
* added /api/v2/alert_config
* preliminary work for /api/v2/claim
* initialize variables; do not expose expected retention if no disk space info is available; do not report aclk as initializing when not claimed
* fix claim session key filename
* put a newline into the session key file
* more progress on claiming
* final /api/v2/claim endpoint
* after claiming, refresh our state at the output
* Fix query to fetch config
* Remove debug log
* add configuration objects
* add configuration objects - fixed
* respect the NETDATA_DISABLE_CLOUD env variable
* NETDATA_DISABLE_CLOUD env variable sets the default, but the config sets the final value
* use a new claimed_id on every claiming
* regenerate random key on claiming and wait for online status
* ignore write() return value when writing a newline
* dont show cloud status disabled when claimed_id is missing
* added ctx to alert instances
* cleanup config and transitions from /api/v2/alerts
* fix unused variable
* in /api/v2/alert_config show 1 config without an array
* show alert values conditionally, by appending options=values
* When storing host info if the key value is empty, store unknown
* added options=summary to control when the alerts summary is shown
* increased http_api_v2 to version 5
* claming random key file is now not world readable
* added local-listeners binary that detects all the listening ports, their IPs and their command lines
---------
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* dummy streaming function
* expose global functions upstream
* separate function for pushing global functions
* add missing conditions
* allow streaming function to run async
* started internal API for functions
* cache host retention and expose it to /api/v2/nodes
* internal API for function table fields; more progress on streaming status
* abstracted and unified rrdhost status
* port old coverity warning fix - although it is not needed
* add ML information to rrdhost status
* add ML capability to streaming to signal the transmission of ML information; added ML information to host status
* protect host->receiver
* count metrics and instances per host
* exposed all inbound and outbound streaming
* fix for ML status and dependency of DATA_WITH_ML to INTERPOLATED, not IEEE754
* update ML dummy
* added all fields
* added streaming group by and cleaned up accepted values by cloud
* removed type
* Revert "removed type"
This reverts commit faae4177e603d4f85b7433f33f92ef3ccd23976e.
* added context to db summary
* new /api/v2/nodes schema
* added ML type
* change default function charts
* log to trace new capa
* add more debug
* removed debugging code
* retry on receive interrupted read; respect sender reconnect delay in all cases
* set disconnected host flag and manipulate localhost child count atomically, inside set/clear receiver
* fix infinite loop
* send_to_plugin() now has a spinlock to ensure that only 1 thread is writing to the plugin/child at the same time
* global cloud_status() call
* cloud should be a section, since it will contain error information
* put cloud capabilities into cloud
* aclk status in /api/v2 agents sections
* keep aclk_connection_counter
* updates on /api/v2/nodes
* final /api/v2/nodes and addition of /api/v2/nodes_instances
* parametrize all /api/v2/xxx output to control which info is outputed per endpoint
* always accept nodes selector
* st needs to be per instance, not per node
* fix merging of contexts; fix cups plugin priorities
* add after and before parameters to /api/v2/contexts/nodes/nodes_instances/q
* give each libuv worker a unique id
* aclk http_api_v2 version 4
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* pull aclk schemas
* resolve capas
* handle checkpoints and removed from health
* build with disable-cloud
* codacy 1
* misc changes
* one more char in hash
* free buffer
* change topic
* misc fixes
* skip removed alert variables
* change hash functions
* use create and destroy for compatibility with older openssl
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remove RX_MSGLEN_MAX
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* Schedule node info to the cloud after child connection
* Remove debug code
* Schedule localhost node info within 5 seconds of startup. If no children are detected Or a child connects (switch to immediate localhost node info update)
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* Remove aclk sync threads
* Disable functions if compiled with --disable-cloud
* Allocate and reuse buffer when scanning hosts
Tune transactions when writing metadata
Error checking when executing db_execute (it is already within a loop with retries)
* Schedule host context load in parallel
Child connection will be delayed if context load is not complete
Event loop cleanup
* Delay retention check if context is not loaded
Remove context load check from regular metadata host scan
* Improve checks to check finished threads
* Cleanup warnings when compiling with --disable-cloud
* Clean chart labels that were created before our current maximum retention
* Fix sql statement
* Remove structures members that of no use
Remove buffer allocations when not needed
* Fix compilation error
* Don't check for service running when not from a worker
* Code cleanup if agent is compiled with --disable-cloud
Setup ACLK tables in the database if needed
Submit node status update messages to the cloud
* Fix compilation warning when --disable-cloud is specified
* Address codacy issues
* Remove empty file -- has already been moved under contexts
* Use enum instead of numbers
* Use UUID_STR_LEN
* Add newline at the end of file
* Release node_id to prevent memory leak under certain cases
* Add queries in defines
* Ignore rc from transaction start -- if there is an active transaction, we will use it (same with commit) should further improve in a future PR
* Remove commented out code
* If host is null (it should not be) do not allocate config (coverity reports Resource leak)
* Do garbage collection when contexts is initialized
* Handle the case when config is not yet available for a host
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* guard for null host when sending node instances
* also add a default value when migrating
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* parallel initialization of tiers
* do not spawn multiple dbengine event loops
* user configurable dbengine parallel initialization
* size netdata based on the real cpu cores available on the system netdata runs, not on the system monitored
* user configurable system cpus
* move cpuset parsing to os.c/.h
* fix replication of misaligned chart dimensions
* give a different path to each tier thread
* statically allocate the path into the initialization structure
* use aral for reusing dbengine pages
* dictionaries uses ARAL for fixed sized values
* fix compilation without internal checks
* journal v2 index uses aral
* test to see judy allocations
* judy allocations using aral
* Add config option to select if dbengine will use direct I/O (default is yes)
* V1 journafiles will use uv_fs_read instead of mmap (respect the direct I/O setting)
* Remove sqlite3IsMemdb as it is unused
* Fix compilation error when --disable-dbengine is used
* use aral for dbengine work_cmds
* changed aral API to support new features
* pgc and mrg aral overheads
* rrdeng opcodes using aral
* better structuring and naming
* dbegnine query handles using aral
* page descriptors using aral
* remove obsolete linking
* extent io descriptors using aral
* aral keeps one last page alive
* add missing return value
* added judy aral overhead
* pdc now uses aral
* page_details now use aral
* epdl and deol using aral - make sure ARALs are initialized before spawning the event loop
* remove unused linking
* pgc now uses one aral per partition
* aral measure maximum allocation queue
* aral to allocate pages in parallel
* aral parallel pages allocation when needed
* aral cleanup
* track page allocation and page population separately
---------
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* remove MQTT-C (MQTT 3 implementation) from buildsystem
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* track memory footprint of Netdata
* track db modes alloc/ram/save/map
* track system info; track sender and receiver
* fixes
* more fixes
* track workers memory, onewayalloc memory; unify judyhs size estimation
* track replication structures and buffers
* Properly clear host RRDHOST_FLAG_METADATA_UPDATE flag
* flush the replication buffer every 1000 times the circular buffer is found empty
* dont take timestamp too frequently in sender loop
* sender buffers are not used by the same thread as the sender, so they were never recreated - fixed it
* free sender thread buffer on replication threads when replication is idle
* use the last sender flag as a timestamp of the last buffer recreation
* free cbuffer before reconnecting
* recreate cbuffer on every flush
* timings for journal v2 loading
* inlining of metric and cache functions
* aral likely/unlikely
* free left-over thread buffers
* fix NULL pointer dereference in replication
* free sender thread buffer on sender thread too
* mark ctx as used before flushing
* better logging on ctx datafiles closing
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* cleanup journal v2 mounts periodically
* fix for last commit
* re-enable loading page from disk when the arrangement of pages requires it
* Remove unused statistics
* Estimate diskspace when the current datafile is full and queue a rotate command (Currently it will not attempt to estimate end size for journals)
Queue a command to check quota on startup per tier
* apps.plugin now exposes RSS chart
* shorter thread names to make debugging easier, since thread names can only be 15 characters
* more thread names fixes
* allow an apps_groups.conf target to be pid 0 or 1
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* revert health to single thread
* remove getting now
* use a health struct
* remove commented code
* cleanup health log from metdata
* dont check for METADATA_UPDATE
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* allow extents to be merged for as long as possible
* do not block the event loop while recalculating retention due to datafile rotation
* buffers are incrementally cleaned up, every second, by just 1 entry
* fix order of commands
* remove newline
* measure cancelled extent read requests
* count all cancelled extent requests
* do not double count failed pages
* fixed cancelled name
* Fix error and warnings when compiling with --disable-dbengine
* when the timeframe is outside retention and whole query should fail
* do not mark as failed pages that have been loaded but have been skipped
* added chart to show cache memory calculation variables
* LONG_MAX for 32-bit compatibility
* fix cache size calculation on 32-bit
* fix cache size calculation on 32-bit - use unsinged long long
* fix compilation warnings on 32-bits
* fix another compilation warning on 32-bits
* fix compilation warnings on older 32-bit compilers
* fix compilation warnings on older 32-bit compilers - more of them
* disable ML threads joining
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* count open cache pages refering to datafile
* eliminate waste flush attempts
* remove eliminated variable
* journal v2 scanning split functions
* avoid locking open cache for a long time while migrating to journal v2
* dont acquire datafile for the loop; disable thread cancelability while a query is running
* work on datafile acquiring
* work on datafile deletion
* work on datafile deletion again
* logs of dbengine should start with DBENGINE
* thread specific key for queries to check if a query finishes without a finalize
* page_uuid is not used anymore
* Cleanup judy traversal when building new v2
Remove not needed calls to metric registry
* metric is 8 bytes smaller; timestamps are protected with a spinlock; timestamps in metric are now always coherent
* disable checks for invalid time-ranges
* Remove type from page details
* report scanning time
* remove infinite loop from datafile acquire for deletion
* remove infinite loop from datafile acquire for deletion again
* trace query handles
* properly allocate array of dimensions in replication
* metrics cleanup
* metrics registry uses arrayalloc
* arrayalloc free should be protected by lock
* use array alloc in page cache
* journal v2 scanning fix
* datafile reference leaking hunding
* do not load metrics of future timestamps
* initialize reasons
* fix datafile reference leak
* do not load pages that are entirely overlapped by others
* expand metric retention atomically
* split replication logic in initialization and execution
* replication prepare ahead queries
* replication prepare ahead queries fixed
* fix replication workers accounting
* add router active queries chart
* restore accounting of pages metadata sources; cleanup replication
* dont count skipped pages as unroutable
* notes on services shutdown
* do not migrate to journal v2 too early, while it has pending dirty pages in the main cache for the specific journal file
* do not add pages we dont need to pdc
* time in range re-work to provide info about past and future matches
* finner control on the pages selected for processing; accounting of page related issues
* fix invalid reference to handle->page
* eliminate data collection handle of pg_lookup_next
* accounting for queries with gaps
* query preprocessing the same way the processing is done; cache now supports all operations on Judy
* dynamic libuv workers based on number of processors; minimum libuv workers 8; replication query init ahead uses libuv workers - reserved ones (3)
* get into pdc all matching pages from main cache and open cache; do not do v2 scan if main cache and open cache can satisfy the query
* finner gaps calculation; accounting of overlapping pages in queries
* fix gaps accounting
* move datafile deletion to worker thread
* tune libuv workers and thread stack size
* stop netdata threads gradually
* run indexing together with cache flush/evict
* more work on clean shutdown
* limit the number of pages to evict per run
* do not lock the clean queue for accesses if it is not possible at that time - the page will be moved to the back of the list during eviction
* economies on flags for smaller page footprint; cleanup and renames
* eviction moves referenced pages to the end of the queue
* use murmur hash for indexing partition
* murmur should be static
* use more indexing partitions
* revert number of partitions to number of cpus
* cancel threads first, then stop services
* revert default thread stack size
* dont execute replication requests of disconnected senders
* wait more time for services that are exiting gradually
* fixed last commit
* finer control on page selection algorithm
* default stacksize of 1MB
* fix formatting
* fix worker utilization going crazy when the number is rotating
* avoid buffer full due to replication preprocessing of requests
* support query priorities
* add count of spins in spinlock when compiled with netdata internal checks
* remove prioritization from dbengine queries; cache now uses mutexes for the queues
* hot pages are now in sections judy arrays, like dirty
* align replication queries to optimal page size
* during flushing add to clean and evict in batches
* Revert "during flushing add to clean and evict in batches"
This reverts commit 8fb2b69d068499eacea6de8291c336e5e9f197c7.
* dont lock clean while evicting pages during flushing
* Revert "dont lock clean while evicting pages during flushing"
This reverts commit d6c82b5f40aeba86fc7aead062fab1b819ba58b3.
* Revert "Revert "during flushing add to clean and evict in batches""
This reverts commit ca7a187537fb8f743992700427e13042561211ec.
* dont cross locks during flushing, for the fastest flushes possible
* low-priority queries load pages synchronously
* Revert "low-priority queries load pages synchronously"
This reverts commit 1ef2662ddcd20fe5842b856c716df134c42d1dc7.
* cache uses spinlock again
* during flushing, dont lock the clean queue at all; each item is added atomically
* do smaller eviction runs
* evict one page at a time to minimize lock contention on the clean queue
* fix eviction statistics
* fix last commit
* plain should be main cache
* event loop cleanup; evictions and flushes can now happen concurrently
* run flush and evictions from tier0 only
* remove not needed variables
* flushing open cache is not needed; flushing protection is irrelevant since flushing is global for all tiers; added protection to datafiles so that only one flusher can run per datafile at any given time
* added worker jobs in timer to find the slow part of it
* support fast eviction of pages when all_of_them is set
* revert default thread stack size
* bypass event loop for dispatching read extent commands to workers - send them directly
* Revert "bypass event loop for dispatching read extent commands to workers - send them directly"
This reverts commit 2c08bc5bab12881ae33bc73ce5dea03dfc4e1fce.
* cache work requests
* minimize memory operations during flushing; caching of extent_io_descriptors and page_descriptors
* publish flushed pages to open cache in the thread pool
* prevent eventloop requests from getting stacked in the event loop
* single threaded dbengine controller; support priorities for all queries; major cleanup and restructuring of rrdengine.c
* more rrdengine.c cleanup
* enable db rotation
* do not log when there is a filter
* do not run multiple migration to journal v2
* load all extents async
* fix wrong paste
* report opcodes waiting, works dispatched, works executing
* cleanup event loop memory every 10 minutes
* dont dispatch more work requests than the number of threads available
* use the dispatched counter instead of the executing counter to check if the worker thread pool is full
* remove UV_RUN_NOWAIT
* replication to fill the queues
* caching of extent buffers; code cleanup
* caching of pdc and pd; rework on journal v2 indexing, datafile creation, database rotation
* single transaction wal
* synchronous flushing
* first cancel the threads, then signal them to exit
* caching of rrdeng query handles; added priority to query target; health is now low prio
* add priority to the missing points; do not allow critical priority in queries
* offload query preparation and routing to libuv thread pool
* updated timing charts for the offloaded query preparation
* caching of WALs
* accounting for struct caches (buffers); do not load extents with invalid sizes
* protection against memory booming during replication due to the optimal alignment of pages; sender thread buffer is now also reset when the circular buffer is reset
* also check if the expanded before is not the chart later updated time
* also check if the expanded before is not after the wall clock time of when the query started
* Remove unused variable
* replication to queue less queries; cleanup of internal fatals
* Mark dimension to be updated async
* caching of extent_page_details_list (epdl) and datafile_extent_offset_list (deol)
* disable pgc stress test, under an ifdef
* disable mrg stress test under an ifdef
* Mark chart and host labels, host info for async check and store in the database
* dictionary items use arrayalloc
* cache section pages structure is allocated with arrayalloc
* Add function to wakeup the aclk query threads and check for exit
Register function to be called during shutdown after signaling the service to exit
* parallel preparation of all dimensions of queries
* be more sensitive to enable streaming after replication
* atomically finish chart replication
* fix last commit
* fix last commit again
* fix last commit again again
* fix last commit again again again
* unify the normalization of retention calculation for collected charts; do not enable streaming if more than 60 points are to be transferred; eliminate an allocation during replication
* do not cancel start streaming; use high priority queries when we have locked chart data collection
* prevent starvation on opcodes execution, by allowing 2% of the requests to be re-ordered
* opcode now uses 2 spinlocks one for the caching of allocations and one for the waiting queue
* Remove check locks and NETDATA_VERIFY_LOCKS as it is not needed anymore
* Fix bad memory allocation / cleanup
* Cleanup ACLK sync initialization (part 1)
* Don't update metric registry during shutdown (part 1)
* Prevent crash when dashboard is refreshed and host goes away
* Mark ctx that is shutting down.
Test not adding flushed pages to open cache as hot if we are shutting down
* make ML work
* Fix compile without NETDATA_INTERNAL_CHECKS
* shutdown each ctx independently
* fix completion of quiesce
* do not update shared ML charts
* Create ML charts on child hosts.
When a parent runs a ML for a child, the relevant-ML charts
should be created on the child host. These charts should use
the parent's hostname to differentiate multiple parents that might
run ML for a child.
The only exception to this rule is the training/prediction resource
usage charts. These are created on the localhost of the parent host,
because they provide information specific to said host.
* check new ml code
* first save the database, then free all memory
* dbengine prep exit before freeing all memory; fixed deadlock in cache hot to dirty; added missing check to query engine about metrics without any data in the db
* Cleanup metadata thread (part 2)
* increase refcount before dispatching prep command
* Do not try to stop anomaly detection threads twice.
A separate function call has been added to stop anomaly detection threads.
This commit removes the left over function calls that were made
internally when a host was being created/destroyed.
* Remove allocations when smoothing samples buffer
The number of dims per sample is always 1, ie. we are training and
predicting only individual dimensions.
* set the orphan flag when loading archived hosts
* track worker dispatch callbacks and threadpool worker init
* make ML threads joinable; mark ctx having flushing in progress as early as possible
* fix allocation counter
* Cleanup metadata thread (part 3)
* Cleanup metadata thread (part 4)
* Skip metadata host scan when running unittest
* unittest support during init
* dont use all the libuv threads for queries
* break an infinite loop when sleep_usec() is interrupted
* ml prediction is a collector for several charts
* sleep_usec() now makes sure it will never loop if it passes the time expected; sleep_usec() now uses nanosleep() because clock_nanosleep() misses signals on netdata exit
* worker_unregister() in netdata threads cleanup
* moved pdc/epdl/deol/extent_buffer related code to pdc.c and pdc.h
* fixed ML issues
* removed engine2 directory
* added dbengine2 files in CMakeLists.txt
* move query plan data to query target, so that they can be exposed by in jsonwrap
* uniform definition of query plan according to the other query target members
* event_loop should be in daemon, not libnetdata
* metric_retention_by_uuid() is now part of the storage engine abstraction
* unify time_t variables to have the suffix _s (meaning: seconds)
* old dbengine statistics become "dbengine io"
* do not enable ML resource usage charts by default
* unify ml chart families, plugins and modules
* cleanup query plans from query target
* cleanup all extent buffers
* added debug info for rrddim slot to time
* rrddim now does proper gap management
* full rewrite of the mem modes
* use library functions for madvise
* use CHECKSUM_SZ for the checksum size
* fix coverity warning about the impossible case of returning a page that is entirely in the past of the query
* fix dbengine shutdown
* keep the old datafile lock until a new datafile has been created, to avoid creating multiple datafiles concurrently
* fine tune cache evictions
* dont initialize health if the health service is not running - prevent crash on shutdown while children get connected
* rename AS threads to ACLK[hostname]
* prevent re-use of uninitialized memory in queries
* use JulyL instead of JudyL for PDC operations - to test it first
* add also JulyL files
* fix July memory accounting
* disable July for PDC (use Judy)
* use the function to remove datafiles from linked list
* fix july and event_loop
* add july to libnetdata subdirs
* rename time_t variables that end in _t to end in _s
* replicate when there is a gap at the beginning of the replication period
* reset postponing of sender connections when a receiver is connected
* Adjust update every properly
* fix replication infinite loop due to last change
* packed enums in rrd.h and cleanup of obsolete rrd structure members
* prevent deadlock in replication: replication_recalculate_buffer_used_ratio_unsafe() deadlocking with replication_sender_delete_pending_requests()
* void unused variable
* void unused variables
* fix indentation
* entries_by_time calculation in VD was wrong; restored internal checks for checking future timestamps
* macros to caclulate page entries by time and size
* prevent statsd cleanup crash on exit
* cleanup health thread related variables
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
Co-authored-by: vkalintiris <vasilis@netdata.cloud>
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* bump websockets
* add new files to makefile
* set topic aliases for used topics
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Revert "MQTT 5 publish topic alias support (#14067)"
This reverts commit a749ab00a63b229d99f6bc82a965206e5481db3e.
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* add possibility to decypt trafic for developers for debugging purposes
* requires netdata to be explicitly built with this feature enabled
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* mqtt_websockets bumps version
* use the new topic alias support in netdata
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* cleanup capas + add func capa
* make it const
* fixes
* freez
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* remove mqtt3 support
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* Rebased
* rebased
* health_execute_pending_updates -> health_execute_delayed_initializations
* fix labels for current host only
* missing bracket
* misc fixes, reload health for disconnected hosts
* remove volatile, add comment
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rebased
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* allow disabling netdata monitoring section of the dashboard
* disable-netdata-stats: Modify eBPF.plugin to disable statistic charts according user selection, by default it is enabled
* Don't send internal statistics for exporting engine if it's disabled.
* Fix global statistics flag initialization
* Don't send internal statistics for checks plugin if it's disabled.
Co-authored-by: Thiago Marques <thiagoftsm@gmail.com>
Co-authored-by: Vladimir Kobal <vlad@prokk.net>
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* update mqtt websockets submodule and reflect API changes
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Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* move chart_labels to rrdset
* rename chart_labels to rrdlabels
* renamed hash_id to uuid
* turned is_ar_chart into an rrdset flag
* removed rrdset state
* removed unused senders_connected member of rrdhost
* removed unused host flag RRDHOST_FLAG_MULTIHOST
* renamed rrdhost host_labels to rrdlabels
* Update exporting unit tests
Co-authored-by: Vladimir Kobal <vlad@prokk.net>
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* rrdfamily
* rrddim
* rrdset plugin and module names
* rrdset units
* rrdset type
* rrdset family
* rrdset title
* rrdset title more
* rrdset context
* rrdcalctemplate context and removal of context hash from rrdset
* strings statistics
* rrdset name
* rearranged members of rrdset
* eliminate rrdset name hash; rrdcalc chart converted to STRING
* rrdset id, eliminated rrdset hash
* rrdcalc, alarm_entry, alert_config and some of rrdcalctemplate
* rrdcalctemplate
* rrdvar
* eval_variable
* rrddimvar and rrdsetvar
* rrdhost hostname, os and tags
* fix master commits
* added thread cache; implemented string_dup without locks
* faster thread cache
* rrdset and rrddim now use dictionaries for indexing
* rrdhost now uses dictionary
* rrdfamily now uses DICTIONARY
* rrdvar using dictionary instead of AVL
* allocate the right size to rrdvar flag members
* rrdhost remaining char * members to STRING *
* better error handling on indexing
* strings now use a read/write lock to allow parallel searches to the index
* removed AVL support from dictionaries; implemented STRING with native Judy calls
* string releases should be negative
* only 31 bits are allowed for enum flags
* proper locking on strings
* string threading unittest and fixes
* fix lgtm finding
* fixed naming
* stream chart/dimension definitions at the beginning of a streaming session
* thread stack variable is undefined on thread cancel
* rrdcontext garbage collect per host on startup
* worker control in garbage collection
* relaxed deletion of rrdmetrics
* type checking on dictfe
* netdata chart to monitor rrdcontext triggers
* Group chart label updates
* rrdcontext better handling of collected rrdsets
* rrdpush incremental transmition of definitions should use as much buffer as possible
* require 1MB per chart
* empty the sender buffer before enabling metrics streaming
* fill up to 50% of buffer
* reset signaling metrics sending
* use the shared variable for status
* use separate host flag for enabling streaming of metrics
* make sure the flag is clear
* add logging for streaming
* add logging for streaming on buffer overflow
* circular_buffer proper sizing
* removed obsolete logs
* do not execute worker jobs if not necessary
* better messages about compression disabling
* proper use of flags and updating rrdset last access time every time the obsoletion flag is flipped
* monitor stream sender used buffer ratio
* Update exporting unit tests
* no need to compare label value with strcmp
* streaming send workers now monitor bandwidth
* workers now use strings
* streaming receiver monitors incoming bandwidth
* parser shift of worker ids
* minor fixes
* Group chart label updates
* Populate context with dimensions that have data
* Fix chart id
* better shift of parser worker ids
* fix for streaming compression
* properly count received bytes
* ensure LZ4 compression ring buffer does not wrap prematurely
* do not stream empty charts; do not process empty instances in rrdcontext
* need_to_send_chart_definition() does not need an rrdset lock any more
* rrdcontext objects are collected, after data have been written to the db
* better logging of RRDCONTEXT transitions
* always set all variables needed by the worker utilization charts
* implemented double linked list for most objects; eliminated alarm indexes from rrdhost; and many more fixes
* lockless strings design - string_dup() and string_freez() are totally lockless when they dont need to touch Judy - only Judy is protected with a read/write lock
* STRING code re-organization for clarity
* thread_cache improvements; double numbers precision on worker threads
* STRING_ENTRY now shadown STRING, so no duplicate definition is required; string_length() renamed to string_strlen() to follow the paradigm of all other functions, STRING internal statistics are now only compiled with NETDATA_INTERNAL_CHECKS
* rrdhost index by hostname now cleans up; aclk queries of archieved hosts do not index hosts
* Add index to speed up database context searches
* Removed last_updated optimization (was also buggy after latest merge with master)
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
Co-authored-by: Vladimir Kobal <vlad@prokk.net>
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