TDG dashboard bugfix release

Grafana revisions: InfluxDB revision 12, Prometheus revision 12, InfluxDB TDG revision 2, Prometheus TDG revision 2.

Fixed

• TDG dashboard file connectors processed panel name changed to
  "Total files processed"
• Set valid metrics name to TDG dashboard Kafka partitions panels
• Display only 99th quantile for Prometheus TDG Kafka metrics

TDG dashboard release

Grafana revisions: InfluxDB revision 12, Prometheus revision 12, InfluxDB TDG revision 1, Prometheus TDG revision 1.

Added

• TDG (ver. 2) example cluster draft
• Dashboard templates for TDG (ver. 2)
• Kafka metrics panels for TDG dashboard
• Thread CPU panels for TDG dashboard
• expirationd panels for TDG dashboard
• Tuples panels for TDG dashboard
• File connectors panels for TDG dashboard
• GraphQL requests panels for TDG dashboard
• IProto requests panels for TDG dashboard
• REST API requests panels for TDG dashboard
• Task statistics panels for TDG dashboard

Changed

• Change replication status panel labels

Fixed

• Remove rate from fiber context switches panel
• Remove fiber context switches alert example

CRUD statistics panels

Grafana revisions: InfluxDB revision 10, Prometheus revision 11

Added

• Panels and alerts for CRUD module statistics
  To enable CRUD statistics integrated with metrics with quantiles, call

  crud.cfg{
      stats = true,
      stats_driver = 'metrics',
      stats_quantiles = true
  }

  for CRUD 0.11.1 or newer.

Changed

• Set default InfluxDB policy to autogen

Everyone is here

Grafana revisions: InfluxDB revision 9, Prometheus revision 10

Added

• Space tuples number and bsize panels
• Fiber stats panels and alert example
• Event loop time panel and alert example
• LuaJit statistics panels
• Transactions memory panel
• Net memory and new binary connections panels
• Vinyl index and bloom filter memory panels
• Clock delta panel
• Replication status panel and alert example
• Read only status panel
• Vinyl regulator blocked writers panel
• Net requests in progress/in stream queue panels

Changed

• Rework "Tarantool memory memory miscellaneous" section to "Tarantool runtime overview"
• Vinyl disk panels name
• Update metrics version to 0.13.0
• Update panel descriptions
• Collapse dashboard rows
• Use new metrics instead of deprecated ones
• Bump Grafana requirement to 8.x

Overall panels update

Grafana revisions: InfluxDB revision 8, Prometheus revision 8

Added

• Overall net requests panel for Prometheus dashboard

Changed

• Use green color for low values in overall panels
• Configure default collector in example cluster
• Make variables comparison consistent in Prometheus dashboard

CPU percentage

Grafana revisions: InfluxDB revision 7, Prometheus revision 7

Changed

• Show CPU time in percents

Vinyl panels and customization

Grafana revisions: InfluxDB revision 6, Prometheus revision 6

Added

• Support adding custom panels before dashboard build
• Simple customization guide
• Cluster for local Tarantool app monitoring
• Vinyl panels and alert examples

Changed

• Code rework: introduce grid generation, separate dashboards code
• Code rework: use common graph template to reduce code copypaste, set panel size in code
• Code rework: add dashboard wrap-up, group panels into sections
• Rename "Tarantool memory allocation overview" to "Tarantool memtx allocation overview"

Customer requests panels release

Grafana revisions: InfluxDB revision 5, Prometheus revision 5

Added

• Prometheus example alert rules (instance state, memory usage, HTTP load and latency rule examples, etc)
• Test Prometheus example alert rules with promtool
• Cartridge issues metrics labels to Telegraf configuration
• Cartridge issues panels and "Cluster overview" row
• Network activity row and panels
• Non-CRUD operations panels
• CPU time getrusage panels
• Replication lag panel

Changed

• Update metrics version to 0.9.0
• Separate app cluster and load generator in example docker stand
• Use cartridge-cli to run and setup example app cluster instead of luatest
• Group Prometheus cluster overview panels into "Cluster overview" row
• Rework "Tarantool spaces statistics" block to "Tarantool operations statistics"
• Use Tarantool 2.x instead of Tarantool 1.x in test app and load generator

Fixed

• Add missing space and replication metrics labels to Telegraf configuration

Lua memory panel release

Grafana revisions: InfluxDB revision 4, Prometheus revision 4

Added

• Memory miscellaneous row with Lua memory panel

Changed

• Rename memory overview row

Prometheus bugfix release

Grafana revisions: Prometheus revision 3

Changed

• Make Prometheus rps graphs rate() time range configurable