This PR is to measure how long a task stays in the pending queue and emits the value with the metric task/pending/time. The metric is measured in RemoteTaskRunner and HttpRemoteTaskRunner.
An example of the metric:
```
2022-04-26T21:59:09,488 INFO [rtr-pending-tasks-runner-0] org.apache.druid.java.util.emitter.core.LoggingEmitter - {"feed":"metrics","timestamp":"2022-04-26T21:59:09.487Z","service":"druid/coordinator","host":"localhost:8081","version":"2022.02.0-iap-SNAPSHOT","metric":"task/pending/time","value":8,"dataSource":"wikipedia","taskId":"index_parallel_wikipedia_gecpcglg_2022-04-26T21:59:09.432Z","taskType":"index_parallel"}
```
------------------------------------------
Key changed/added classes in this PR
Emit metric task/pending/time in classes RemoteTaskRunner and HttpRemoteTaskRunner.
Update related factory classes and tests.
* Update caching.md
Knowledge from https://the-asf.slack.com/archives/CJ8D1JTB8/p1597781107153900
Update caching.md
A few additional updates OTBO https://the-asf.slack.com/archives/CJ8D1JTB8/p1608669046041300
* Update caching.md
Typos
* Amendments on the segment cache
Significant updates on content around the segment cache, pull process, and in-memory cache
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/operations/basic-cluster-tuning.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/operations/basic-cluster-tuning.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update basic-cluster-tuning.md
typo
* Update docs/querying/caching.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Whole-query caching update
Made more succinct and removed specific config to change.
* Update docs/design/historical.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* add docs for request logging
* remove stray character
* Update docs/operations/request-logging.md
Co-authored-by: TSFenwick <tsfenwick@gmail.com>
* Apply suggestions from code review
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
Co-authored-by: TSFenwick <tsfenwick@gmail.com>
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* add a new query laning metrics to visualize lane assignment
* fixes :spotbugs check
* Update docs/operations/metrics.md
Co-authored-by: Benedict Jin <asdf2014@apache.org>
* Update server/src/main/java/org/apache/druid/server/QueryScheduler.java
Co-authored-by: Benedict Jin <asdf2014@apache.org>
* Update server/src/main/java/org/apache/druid/server/QueryScheduler.java
Co-authored-by: Benedict Jin <asdf2014@apache.org>
Co-authored-by: Benedict Jin <asdf2014@apache.org>
* refactor and link fixes
* add sql docs to left nav
* code format for needle
* updated web console script
* link fixes
* update earliest/latest functions
* edits for grammar and style
* more link fixes
* another link
* update with #12226
* update .spelling file
* add new doc
* Apply suggestions from code review
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* reorder query laning properties
* rename doc
* new name in doc header
* organize material into "service tiering" section
* text edits and update sidebars.json
* update query laning
* how queries get assigned to lanes
* add more details to intro; use more consistent terminology
* more content
* Apply suggestions from code review
Co-authored-by: Jihoon Son <jihoonson@apache.org>
* Update docs/operations/mixed-workloads.md
* Apply suggestions from code review
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* typo
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
Co-authored-by: Jihoon Son <jihoonson@apache.org>
* Metrics docs layout and info about query/bytes
Knowledge transfer from https://groups.google.com/g/druid-user/c/8fiflmSEoTQ - updated the layout of the Metrics part, adding links between docs pages.
Update index.md
Amended typo
* Update docs/configuration/index.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/configuration/index.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/operations/metrics.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/operations/metrics.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/operations/metrics.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Feedback applied
Http --> HTTP and moved content / removed >
* Update docs/configuration/index.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Update docs/configuration/index.md
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
Co-authored-by: Charles Smith <techdocsmith@gmail.com>
* Add worker category as dimension in TaskSlotCountStatsMonitor
* Change description
* Add workerConfig as field
* Modify HttpRemoteTaskRunnerTest to test worker category in taskslot metrics
* Fixing tests
* Fixing alerts
* Adding unit test in SingleTaskBackgroundRunnerTest for task slot metrics APIs
* Resolving false positive spell check
* addressing comments
* throw UnsupportedOperationException for tasklotmetrics APIs in SingleTaskBackgroundRunner
Co-authored-by: Nikhil Navadiya <nnavadiya@twitter.com>
* Revert "Require Datasource WRITE authorization for Supervisor and Task access (#11718)"
This reverts commit f2d6100124.
* Revert "Require DATASOURCE WRITE access in SupervisorResourceFilter and TaskResourceFilter (#11680)"
This reverts commit 6779c4652d.
* Fix docs for the reverted commits
* Fix and restore deleted tests
* Fix and restore SystemSchemaTest
Follow up PR for #11680
Description
Supervisor and Task APIs are related to ingestion and must always require Datasource WRITE
authorization even if they are purely informative.
Changes
Check Datasource WRITE in SystemSchema for tables "supervisors" and "tasks"
Check Datasource WRITE for APIs /supervisor/history and /supervisor/{id}/history
Check Datasource for all Indexing Task APIs
* Add a new metric query/segments/count that is not emitted by default
* docs
* test the default implementation of the metric
* fix spelling error in docs
* document the fact that query retries will result in additional metric emissions
* update using recommended text from @jihoonson
* compaction/status API retains status for datasources that no longer existed causing in-memory used to grow unbounded
* compaction/status API retains status for datasources that no longer existed causing in-memory used to grow unbounded
* compaction/status API retains status for datasources that no longer existed causing in-memory used to grow unbounded
* fix test
* fix test
* add single input string expression dimension vector selector and better expression planning
* better
* fixes
* oops
* rework how vector processor factories choose string processors, fix to be less aggressive about vectorizing
* oops
* javadocs, renaming
* more javadocs
* benchmarks
* use string expression vector processor with vector size 1 instead of expr.eval
* better logging
* javadocs, surprising number of the the
* more
* simplify
* Add feature to automatically remove rules based on retention period
* Add feature to automatically remove rules based on retention period
* address comments
Katya Macedo
Rohan Garg
Victoria Lim
Rocky Chen
zachjsh
Peter Marshall
mark-imply
Sandeep
Suneet Saldanha
Karan Kumar
Lucas Capistrant
Charles Smith
Nikhil Navadiya
Jian Wang
Kashif Faraz
Arun Ramani
Clint Wylie
imply-jhan
Gian Merlino
Yi Yuan
Harini Rajendran
Maytas Monsereenusorn
frank chen
Charles Smith