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* Introduce dirty page pressure handling in the dbengine page cache that invalidates pages when the disk cannot keep up with the flushing speed.
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* Adjust dbengine flushing speed more dynamically
* Added error tracking statistics for failure to flush events
* Added alarm for dbengine flushing errors
* Improved dbengine accounting for commited to be written pages
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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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* 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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relevant error messages are printed and alarms are raised (#6452)
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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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* makefiles install configs in /usr/lib/netdata/conf.d; #4182
* stock health config in /usr/lib/netdata/conf.d/health.d
* unit test path concatenation
* simplified health file management
* use stream.conf from stock config if it does not exist in /etc/netdata
* indicate loading of user config in function call
* load netdata.conf from stock dir if not found in /etc/netdata
* added NETDATA_USER_CONFIG_DIR
* provide defaults before loading config
* charts.d uses stock files
* fping now uses the stock config files
* tc-qos-helper.sh now uses stock configs
* cgroup-name.sh now uses stock configs too
* simplified cgroup-name.sh for user and stock config
* alarm-notify.sh uses stock configs too
* simplified fping plugin configs loading
* simplified tc-qos-helper.sh configs loading
* added error handling to charts.d.plugin
* apps.plugin used stock configs
* generalized recursive double-directory configs loading
* statsd uses stock configs
* node.d.plugin uses stock configs
* compile-time decision of netdata default paths for all files
* makeself cleans up old stock config files from user configuration directories
* fixed makeself typo
* netdata-installer.sh removes stock files from user configuration directories
* python.d.plugin user/stock configs update
* cleanup stock config files from /etc/netdata, only once
* python.d.plugin log loaded files
* fix permissions of stock config files and provide an "orig" link for quick access
* create help link on stock configs migration for static installations
* create user config directories
* example statsd synthetic charts now state they are examples
* updated configs.signatures
* spec file
* fixes in spec file
* fix typo
* install netdata after cleaning up stock configs from /etc/netdata
* python.d: add cpuidle stock conf
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* tcp syn and accept queue charts and alarms; fixes #3234
* tcp syn and accept queue converted to auto
* updated configs.signatures
* enable 1m_ipv4_tcp_accept_queue_drops alarm
* /proc/net/netstat refers to the whole networking stack
* updated configs.signatures
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* updated configs.signatures
* fix for load average alarms; fixes #4175
* updated configs.signatures
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Add ceph plugin
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