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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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* Suppress H2O compilation warnings
* Fix typo
* Update flags
* Another fix typo
* Flags update once more
* Remove duplicate flag
* Move flag
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Co-authored-by: ilyam8 <ilya@netdata.cloud>
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* bearer authorization API - untested
* add machine guid to bearer token response
* removed REGISTRY_URL and replaced it with STRING
* eliminate url pointer from registry_machine_url
* remove registry_url counters from registry
* Revert "eliminate url pointer from registry_machine_url"
This reverts commit 79eff56f77d12a9f840f1b30040e4123e3d9a7a2.
* registry machine urls are now a double linked list
* registry machine urls are now using aral
* all registry objects now use aral
* strings now have 64 partitions and use R/W spinlock
* string to 128 partitions
* fix macro without internal checks
* registry now uses the bearer token when the cookie is not there
* api/v1/registry sends back all nodes on each host
* registry option to use mmap; optimization of registry structures
* do not index the terminator byte in strings; use 256 string partitions
* registry loading optimization
* convert person urls to double linked list to save memory
* re-organize items loading and make sure person urls are always available as machine urls too
* disable registry mmap by default
* keep track of all machine guids and their URLs, even if the cookie cannot be set
* fix bearer parsing
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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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* Add profile plugin
* Rebase master
* Fix typo.
* Track number of backfilled points per second.
* Rebase master
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* use gperf for the pluginsd parser
* simplify pluginsd_parser by removing void pointers to user
* pluginsd_split_words() with inlined pluginsd_space()
* quoted_string_splitter() now uses a map instead of a function for determining spaces
* add stress test for pluginsd parser
* optimized BITMAP256
* optimized rrdpush receiver reception
* optimized rrdpush sender compression
* renames and cleanup
* remove wrong negation
* unify handshake and disconnection reasons
* use parser_find_keyword
* register job names only for the current repertoire
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This in turn will allow us to target specific agent processes
running with the commands cli.
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* Add library to encode/decode Gorilla compressed buffers.
* Code cleanup + fix high-level API for 64 bits.
* Add scripts to build benchmarks and fuzzer.
* Fix CMake builds
* Add license note.
* Return 0 instead of false literal.
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* update_libbpf_1_2: Update libbpf version
* update_libbpf_1_2: Update kernel-collector version
* update_libbpf_1_2: Update ebpf-co-re
* update_libbpf_1_2: Remove libbpf.* from .gitignore
* update_libbpf_1_2: Remove libbpf.* files and keep only other two avoiding rewrite during installation
* update_libbpf_1_2: Remove plugin from other branch
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Co-authored-by: Fotis Voutsas <fotis@netdata.cloud>
Co-authored-by: Austin S. Hemmelgarn <ahferroin7@gmail.com>
Co-authored-by: ilyam8 <ilya@netdata.cloud>
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* Reduce netdatacli size
* Terminate string
* Dummy functions to handle building with NETDATA_INTERNAL_CHECKS
* Formatting
* Fix formatting / properly initialize args
* Fix compilation errors where using NETDATA_TRACE_ALLOCATIONS
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JudyLTablesGen could be replaced with a pregenerated file
with 32-bit / 64-bit specific macros. Fixes #14185
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zlib compulsory
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Introduces h2o based web server as an alternative
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* initial webrtc setup
* missing files
* rewrite of webrtc integration
* initialization and cleanup of webrtc connections
* make it compile without libdatachannel
* add missing webrtc_initialize() function when webrtc is not enabled
* make c++17 optional
* add build/m4/ax_compiler_vendor.m4
* add ax_cxx_compile_stdcxx.m4
* added new m4 files to makefile.am
* id all webrtc connections
* show warning when webrtc is disabled
* fixed message
* moved all webrtc error checking inside webrtc.cpp
* working webrtc connection establishment and cleanup
* remove obsolete code
* rewrote webrtc code in C to remove dependency for c++17
* fixed left-over reference
* detect binary and text messages
* minor fix
* naming of webrtc threads
* added webrtc configuration
* fix for thread_get_name_np()
* smaller web_client memory footprint
* universal web clients cache
* free web clients every 100 uses
* webrtc is now enabled by default only when compiled with internal checks
* webrtc responses to /api/ requests, including LZ4 compression
* fix for binary and text messages
* web_client_cache is now global
* unification of the internal web server API, for web requests, aclk request, webrtc requests
* more cleanup and unification of web client timings
* fixed compiler warnings
* update sent and received bytes
* eliminated of almost all big buffers in web client
* registry now uses the new json generation
* cookies are now an array; fixed redirects
* fix redirects, again
* write cookies directly to the header buffer, eliminating the need for cookie structures in web client
* reset the has_cookies flag
* gathered all web client cleanup to one function
* fixes redirects
* added summary.globals in /api/v2/data response
* ars to arc in /api/v2/data
* properly handle host impersonation
* set the context of mem.numa_nodes
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* capa apiv2
* build new cancellation proto
* commited on wrong branch :D Revert "build new cancellation proto"
This reverts commit 8290422de4074b9c383e29ad10e041668056679a.
* use common source of truth for capas in apiv2
* fix for possible races
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* bundle libyaml
* remove comment
* .github/workflows/coverity.yml
* add to coverity and tests
* add deps
* add to netdata.spec.in
* add to contrib/debia/control
* remove extra gentoo libyaml
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* Refactor ML code.
This commit introduces only non-functional changes.
Originally, the C++ code exposed C functions to be called
from the rest of the agent. When we migrated from C++ to C,
we did not eliminate these wrapper functions to make the
PR easier to understand and keep the total LOC low.
This commit removes the wrapper functions and "reclaims" the
`ml_` prefix that we used for the public API of the old
implementation.
Also, the nlohmann Json library has been removed and its
functionality was replaced with the equivalent Json functionality
that we added in libnetdata's BUFFERs.
* Remove missing headers from build systems.
* Fix CMake build.
* rrddim_free is outside of rrd "internals" now.
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* preparation for /api/v2/contexts
* working /api/v2/contexts
* add anomaly rate information in all statistics; when sum-count is requested, return sums and counts instead of averages
* minor fix
* query targegt now accurately counts hosts, contexts, instances, dimensions, metrics
* cleanup /api/v2/contexts
* full text search with /api/v2/contexts
* simple patterns now support the option to search ignoring case
* full text search API with /api/v2/q
* simple pattern execution optimization
* do not show q when not given
* full text search accounting
* separated /api/v2/nodes from /api/v2/contexts
* fix ssv queries for group_by
* count query instances queried and failed per context and host
* split rrdcontext.c to multiple files
* add query totals
* fix anomaly rate calculation; provide "ni" for indexing hosts
* do not generate zero valued members
* faster calculation of anomaly rate; by just summing integers for each db points and doing math once for every generated point
* fix typo when printing dimensions totals
* added option minify to remove spaces and newlines fron JSON output
* send instance ids and names when they differ
* do not add in query target dimensions, instances, contexts and hosts for which there is no retention in the current timeframe
* fix for the previous + renames and code cleanup
* when a dimension is filtered, include in the response all the other dimensions that are selectable
* do not add nodes that do not have retention in the current window
* move selection of dimensions to query_dimension_add(), instead of query_metric_add()
* increase the pre-processing capacity of queries
* generate instance fqdn ids and names only when they are needed
* provide detailed statistics about tiers retention, queries, points, update_every
* late allocation of query dimensions
* cleanup
* more cleanup
* support for annotations per displayed point, RESET and PARTIAL
* new type annotations
* if a chart is not linked to contexts and it is collected, link it when it is collected
* make ML run reentrant
* make ML rrdr query synchronous
* optimize replication memory allocation of replication_sort_entry
* change units to percentage, when requesting a coefficinet of variation, or a percentage query
* initialize replication before starting main threads
* properly decrement no room requests counter
* propagate the non-zero flag to group-by
* the same by avoiding the extra loop
* respect non-zero in all dimension arrays
* remove dictionary garbage collection from dictionary_entries() and dictionary_version()
* be more verbose when jv2 indexing is postponed
* prevent infinite loop
* use hidden dimensions even when dimensions pattern is unset
* traverse hosts using dictionaries
* fix dictionary unittests
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* Port ML from C++ to C.
Pretty much everything is a non-functional change, ie.
the functionality is identical to the one provided
by the existing implementation that is written in C++.
Performance-wise, this implementation:
- Eliminates/reduces the number of allocations and
deallocations we have to do for training/detection,
- Uses just a single thread to perform detection for
*all* the hosts (ie. reduces the number of required
threads by 50% on parents), and
- Allows training, prediction and detection of
dimensions that have an update_every that is
different from that of the localhost.
The only C++ functionality that we still use
is vectors, because they make our life easier
and they are pretty much a requirement imposed
by dlib.
* Remove profile.plugin
It was useful only for testing during development.
* Limit logs to 200 lines per period
* Properly generate ml_info in /api/v1/info endpoint.
* Remove resource usage charts since we use worker charts.
* Use a temporary to make linters happy.
* Rebase.
* Fix builds that have ML functionality disabled.
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* fundamentals for having /api/v2/ working
* use an atomic to prevent writing to internal pipe too much
* first attempt of multi-node, multi-context, multi-chart, multi-dimension queries
* v2 jsonwrap
* first attempt for group by
* cleaned up RRDR and fixed group by
* improvements to /api/v2/api
* query instance may be realloced, so pointers to it get invalid; solved memory leaks
* count of quried metrics in summary information
* provide detailed information about selected, excluded, queried and failed metrics for each entity
* select instances by fqdn too
* add timing information to json output
* link charts to rrdcontexts, if a query comes in and it is found unlinked
* calculate min, max, sum, average, volume, count per metric
* api v2 parameters naming
* renders alerts and units
* render machine_guid and node_id in all sections it is relevant
* unified keys
* group by now takes into account units and when there are multiple units involved, it creates a dimension per unit
* request and detailed are hidden behind an option
* summary includes only a flattened list of alerts
* alert counts per host and instance
* count of grouped metrics per dimension
* added contexts to summary
* added chart title
* added dimension priorities and chart type
* support for multiple group by at the same time
* minor fixes
* labels are now a tree
* keys uniformity
* filtering by alerts, both having a specific alert and having a specific alert in a specific status
* added scope of hosts and contexts
* count of instances on contexts and hosts
* make the api return valid responses even when the response contains no data
* calculate average and contribution % for every item in the summary
* fix compilation warnings
* fix compilation warnings - again
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* support multiple hosts at pluginsd structures
* cleanup obsolete code
* use a lookup hashtable to quickly find the keyword to execute, without traversing the whole linked list of keywords
* more cleanup
* move new hash function to inlined.h
* minimize comparisons, eliminate a pre-parsing of the first keyword for each line
* cleanup parser from old code
* move parser into libnetdata
* unique entries in parser keywords hashtable
* move all hashing functions to inlined.h, name their sources, simple_hash() now defaults to FNV1a, it was FNV1
* small_hash() for parser
* plugins.d now can switch hosts, and also create/update them
* update hash function and hashtable size
* updated message
* unittest all hashing functions
* reset the chart when setting a new host
* remove host tags
* enable archived hosts when a collector pushes host info
* do not need localhost to swtich to localhost
* disable ARAL and OWA with -DFSANITIZE_ADDRESS=1
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* add ability to generate different ksys
* fix dist
* fix page_block by metric count instead of till EOF
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* acquiring / releasing interface for metrics
* metrics registry statistics
* cleanup metrics registry by deleting metrics when they dont have retention anymore; do not double copy the data of pages to be flushed
* print the tier in retention summary
* Open files with buffered instead of direct I/O (test)
* added more metrics stats and fixed unittest
* rename writer functions to avoid confusion with refcounting
* do not release a metric that is not acquired
* Revert to use direct I/O on write -- use direct I/O on read as well
* keep track of ARAL overhead and add it to the memory chart
* aral full check via api
* Cleanup
* give names to ARALs and PGCs
* aral improvements
* restore query expansion to the future
* prefer higher resolution tier when switching plans
* added extent read statistics
* smoother joining of tiers at query engine
* fine tune aral max allocation size
* aral restructuring to hide its internals from the rest of netdata
* aral restructuring; addtion of defrag option to aral to keep the linked list sorted - enabled by default to test it
* fully async aral
* some statistics and cleanup
* fix infinite loop while calculating retention
* aral docs and defragmenting disabled by default
* fix bug and add optimization when defragmenter is not enabled
* aral stress test
* aral speed report and documentation
* added internal checks that all pages are full
* improve internal log about metrics deletion
* metrics registry uses one aral per partition
* metrics registry aral max size to 512 elements per page
* remove data_structures/README.md dependency
---------
Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
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* Remove old documentation check related config files.
These are no longer used by any of our CI as far as I can tell.
* Purge LGTM configuration and references.
It has been fully shut down, so none of this works anymore.
* Purge Travis CI config, scripts, and references.
We are no longer using Travis CI, so all of this is useless.
* Pureg config for other CI tools we are no longer using.
* Remove old packaging related test scripts.
These haven’t been used in years, and are potentially confusing for new
contributors.
* Restore MLC configuration.
It is, in fact, still in use.
* Fix bogus CI config in dist files.
* Fix botched merge in CODEOWNERS.
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* remove MQTT-C (MQTT 3 implementation) from buildsystem
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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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* Add profile.plugin
Creates the specified number of charts/dimensions, and supports
backfilling with pseudo-historical data.
* Bump
* Remove wrongly merged line.
* Use the number of models specified from the config section.
* Add option to consult all ML models.
* Remove profiling option consuming all models.
* Add underscore after chart name prefix.
* prediction -> dimensions chart
* reorder funcs
* Split charts across types with correct priority
* Ignore training request when chart is under replication.
* Track global number of models consulted.
* Cleanup config.
* initial readme updates
* fix readme
* readme
* Fix function definition when ML is disabled.
* Add dummy ml_chart_update_{begin,end}
* Remove profile_plugin
* Define chart priorities under collectors/all.h
* s/curr_t/current_time/
* Use libnetdata's lock/thread wrappers.
* Fix autotools & cmake builds.
* Delete ML dimensions & charts.
* Let users of buffer preprocessing to handle memory.
* Add separate API calls to start/stop ML threads.
Co-authored-by: Andrew Maguire <andrewm4894@gmail.com>
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(#14172)
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* Add profile.plugin
Creates the specified number of charts/dimensions, and supports
backfilling with pseudo-historical data.
* Bump
* Remove wrongly merged line.
* Use the number of models specified from the config section.
* Add option to consult all ML models.
* Remove profiling option consuming all models.
* Add underscore after chart name prefix.
* prediction -> dimensions chart
* reorder funcs
* Split charts across types with correct priority
* Ignore training request when chart is under replication.
* Track global number of models consulted.
* Cleanup config.
* initial readme updates
* fix readme
* readme
* Fix function definition when ML is disabled.
* Add dummy ml_chart_update_{begin,end}
* Remove profile_plugin
* Define chart priorities under collectors/all.h
* s/curr_t/current_time/
Co-authored-by: Andrew Maguire <andrewm4894@gmail.com>
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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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* Remove calls to rrdset_next().
* Rm checks plugin
* Update documentantion
* Call rrdset_next from within rrdset_done
This wraps up the removal of rrdset_next from internal collectors, which
removes a lot of unecessary code and the need for if/else clauses in
every place.
The pluginsd parser is the only component that calls rrdset_next*()
functions because it's not strictly speaking a collector but more of a
collector manager/proxy.
With the current changes it's possible to simplify the API we expose
from RRD significantly, but this will be follow-up work in the future.
* Remove stale reference to checks.plugin
* Fix RRD unit test
rrdset_next is not meant to be called from these tests.
* Fix db engine unit test.
* Schedule rrdset_next when we have completed at least one collection.
* Mark chart creation clauses as unlikely.
* Add missing brace to fix FreeBSD plugin.
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* cleanup capas + add func capa
* make it const
* fixes
* freez
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* Revert "Use llvm's ar and ranlib when compiling with clang (#13854)"
This reverts commit a9135f47bbb36e9cb437b18a7109607569580db7.
* Profile plugin
* Fix macos static thread
* Add support for replication
- Add a new capability for replication, when not supported the agent
should behave as previously.
- When replication is supported, the text protocol supports the
following new commands:
- CHART_DEFINITION_END: send the first/last entry of the child
- REPLAY_RRDSET_BEGIN: sends the name of the chart we are
replicating
- REPLAY_RRDSET_HEADER: sends a line describing the columns of the
following command (ie. start-time, end-time, dim1-name, ...)
- REPLAY_RRDSET_DONE: sends values to push for a specific start/end
time
- REPLAY_RRDSET_END: send the (a) update every of the chart, (b)
first/last entries in DB, (c) whether the child's been told to
start streaming, (d) original after/before period to replicate.
- R |
