Age | Commit message (Collapse) | Author |
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interval rounds to 0 (#7008)
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* Remove page cache error detection and deadlock resolution
* Change page cache logic to disallow deadlocks due to too many API users
* Updated documentation
* Changed default and minimum page cache size values to 32 and 8 MiB respectively
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* Increase database engine default page cache size to support up to 32K metrics out of the box
* Reduce mass flood effect of dbengine page cache alarm
* changed repeating notification to every hour
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* Basic functionality for dbengine stress test.
* Fix coverity defects
* Refactored dbengine stress test to be configurable
* Added benchmark results and evaluation in dbengine documentation
* Make dbengine the default memory mode
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reader querying its metrics (#6979)
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* fix remark lint Database engine
* fix remark lint of database README
* rewrap dbengine readme for consistency
* rewrap database README
* make character limit to 120 not 80
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* Reduce CPU overhead when flushing dirty pages to disk
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* Detect deadlock in dbengine page cache when there are too many metrics and print error message
* Resolve dbengine deadlock by dropping metrics when page cache is too small and define relevant alarms
* Changed printing deadlock errors to only happen once per dbengine instance
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* Fix memory corruption during deallocation of page cache
* Refactored dataset generator in order to support the upcoming self-validating stress test and multithreading.
* Fix starvation in database engine loop when the command queues are continuously populated
* Fixing disk quota limits for dbengine dataset generator
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engine. (#6731)
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* Variable Granularity support for data collection in the dbengine.
* Variable Granularity support for data collection in the daemon.
* Added tests to validate the data being queried after having been collected by changing data collection interval
* Fix memory corruption
* Updated database engine documentation about data collection frequency behaviour
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* make remark access all directories
* detailed fix after autofix by remark lint
* cross check autofix for this set of files
* crosscheck more files
* crosschecking and small fixes
* crosscheck autofixed md files
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* First pass of changing netdata to Netdata
* Second pass of netdata -> Netdata
* Starting work on netdata with no whitespace after
* Pass for netdata with no whitespace at the end
* Pass for netdata with no whitespace at the front
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relevant error messages are printed and alarms are raised (#6452)
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Improve documentation about file descriptors and systemd configuration.
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* Update README.md with more up-to-date information regarding dbengine
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* Handle file descriptors running out
* Added alarm for dbengine FS and I/O errors
* more verbose alarm message
* * Added File-Descriptor budget to Database Engine instances.
* Changed FD budget of the web server from 50% to 25%.
* Allocated 25% of FDs to dbengine.
* Created a new dbengine global FD utilization chart.
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* Optimize memory footprint of DB engine
* Update documentation with the new memory requirements of dbengine
* Fixed code style
* Fix code style
* Fix compile error
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(#6078)
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* Added print to debug failure to delete page during datafile deletion
* Detect case of corrupted pages not being in page cache when deleting file
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* Database engine prototype version 0
* Database engine initial integration with netdata POC
* Scalable database engine with file and memory management.
* Database engine integration with netdata
* Added MIN MAX definitions to fix alpine build of travis CI
* Bugfix for backends and new DB engine, remove useless rrdset_time2slot() calls and erroneous checks
* DB engine disk protocol correction
* Moved DB engine storage file location to /var/cache/netdata/{host}/dbengine
* Fix configure to require openSSL for DB engine
* Fix netdata daemon health not holding read lock when iterating chart dimensions
* Optimized query API for new DB engine and old netdata DB fallback code-path
* netdata database internal query API improvements and cleanup
* Bugfix for DB engine queries returning empty values
* Added netdata internal check for data queries for old and new DB
* Added statistics to DB engine and fixed memory corruption bug
* Added preliminary charts for DB engine statistics
* Changed DB engine ratio statistics to incremental
* Added netdata statistics charts for DB engine internal statistics
* Fix for netdata not compiling successfully when missing dbengine dependencies
* Added DB engine functional test to netdata unittest command parameter
* Implemented DB engine dataset generator based on example.random chart
* Fix build error in CI
* Support older versions of libuv1
* Fixes segmentation fault when using multiple DB engine instances concurrently
* Fix memory corruption bug
* Fixed createdataset advanced option not exiting
* Fix for DB engine not working on FreeBSD
* Support FreeBSD library paths of new dependencies
* Workaround for unsupported O_DIRECT in OS X
* Fix unittest crashing during cleanup
* Disable DB engine FS caching in Apple OS X since O_DIRECT is not available
* Fix segfault when unittest and DB engine dataset generator don't have permissions to create temporary host
* Modified DB engine dataset generator to create multiple files
* Toned down overzealous page cache prefetcher
* Reduce internal memory fragmentation for page-cache data pages
* Added documentation describing the DB engine
* Documentation bugfixes
* Fixed unit tests compilation errors since last rebase
* Added note to back-up the DB engine files in documentation
* Added codacy fix.
* Support old gcc versions for atomic counters in DB engine
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