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Update documents of lock view for sprint 4 #6179

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merged 14 commits into from
Aug 25, 2021
Merged

Update documents of lock view for sprint 4 #6179

merged 14 commits into from
Aug 25, 2021

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TomShawn
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@TomShawn TomShawn commented Aug 17, 2021 •
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First-time contributors' checklist

What is changed, added or deleted? (Required)

The feature Lock View has changed much in this sprint. Update documents for it.

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions.

  • master (the latest development version)
  • v5.1 (TiDB 5.1 versions)
  • v5.0 (TiDB 5.0 versions)
  • v4.0 (TiDB 4.0 versions)
  • v3.1 (TiDB 3.1 versions)
  • v3.0 (TiDB 3.0 versions)
  • v2.1 (TiDB 2.1 versions)

What is the related PR or file link(s)?

Do your changes match any of the following descriptions?

  • Delete files
  • Change aliases
  • Need modification after applied to another branch
  • Might cause conflicts after applied to another branch

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ti-chi-bot commented Aug 17, 2021 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • qiancai

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After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@TomShawn TomShawn marked this pull request as draft August 17, 2021 06:21
@ti-chi-bot ti-chi-bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. missing-translation-status This PR does not have translation status info. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Aug 17, 2021
@TomShawn TomShawn added v5.2 This PR/issue applies to TiDB v5.2. translation/from-docs-cn This PR is translated from a PR in pingcap/docs-cn. and removed missing-translation-status This PR does not have translation status info. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Aug 17, 2021
@ti-chi-bot ti-chi-bot added the size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. label Aug 17, 2021
MyonKeminta
MyonKeminta approved these changes Aug 17, 2021
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Sorry I miss-selected approving..

TomShawn
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functions-and-operators/tidb-functions.md Outdated

The `TIDB_DECODE_SQL_DIGESTS` function is used to query the normalized SQL statements (a form without format and parameter) corresponding to the set of SQL digests in the cluster. This function accepts 1 or 2 parameters:

* `digests`: The string type, this parameter should conform to the format of a JSON string array, and each string in the array should be a SQL Digest.
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* `digests`: The string type, this parameter should conform to the format of a JSON string array, and each string in the array should be a SQL Digest.
* `digests`: The string type. This parameter is in the format of a JSON string array, and each string in the array is a SQL digest.

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Looks kind of strange. the parameter digest's type is string and stmtTruncateLength's type is integer.

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This is what the Chinese version says: https://github.com/pingcap/docs-cn/pull/6824/files#diff-78df1cdc91d235cfa2c1cc93e95e4b307abb9ae13f9a668a053bda7560d9e551R268

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It means this parameter is of xxx type, rather than this parameter is the xxx type.

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@TomShawn TomShawn marked this pull request as ready for review August 18, 2021 05:59
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@TomShawn TomShawn requested review from qiancai and removed request for Liuxiaozhen12 August 18, 2021 06:44
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Rest LGTM

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functions-and-operators/tidb-functions.md
* `digests`: A string. This parameter is in the format of a JSON string array, and each string in the array is a SQL digest.
* `stmtTruncateLength`: An integer (optional). It is used to limit the length of each SQL statement in the returned result. If a SQL statement exceeds the specified length, the statement is truncated. `0` means that the length is unlimited.

This function returns a string, which is in the format of a JSON string array. The *i*-th item in the array is the normalized SQL statement corresponding to the *i*-th element in the `digests` parameter. If an element in the `digests` parameter is not a valid SQL digest or the system cannot find the corresponding SQL statement, the corresponding item in the returned result is `null`. If the truncation length is specified (`stmtTruncateLength > 0`), for each statement in the returned result that exceeds this length, the first `stmtTruncateLength` characters are retained and the suffix `"..."` is added at the end to indicate the truncation. If the `digests` parameter is `NULL`, the returned value of the function is `NULL`.
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This function returns a string, which is in the format of a JSON string array. The *i*-th item in the array is the normalized SQL statement corresponding to the *i*-th element in the `digests` parameter. If an element in the `digests` parameter is not a valid SQL digest or the system cannot find the corresponding SQL statement, the corresponding item in the returned result is `null`. If the truncation length is specified (`stmtTruncateLength > 0`), for each statement in the returned result that exceeds this length, the first `stmtTruncateLength` characters are retained and the suffix `"..."` is added at the end to indicate the truncation. If the `digests` parameter is `NULL`, the returned value of the function is `NULL`.
This function returns a string, which is in the format of a JSON string array. The *i*-th item in the array is the normalized SQL statement corresponding to the *i*-th element in the `digests` parameter. If an element in the `digests` parameter is not a valid SQL digest or the system cannot find the corresponding SQL statement, the corresponding item in the returned result is `NULL`. If the truncation length is specified (`stmtTruncateLength > 0`), for each statement in the returned result that exceeds this length, the first `stmtTruncateLength` characters are retained and the suffix `"..."` is added at the end to indicate the truncation. If the `digests` parameter is `NULL`, the returned value of the function is `NULL`.

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It's inner the json rather than SQL. The lower null is better here, which is different from the NULL in the last sentence.

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LGTM

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/remove-status LGT1
/status LGT2

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/merge

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This pull request has been accepted and is ready to merge.

Commit hash: 264e0b7

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Aug 24, 2021
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/rebase

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/merge

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This pull request has been accepted and is ready to merge.

Commit hash: 8851c2d

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Aug 25, 2021
@ti-chi-bot ti-chi-bot merged commit 902eeef into pingcap:master Aug 25, 2021
@TomShawn TomShawn deleted the lock-view-sprint4 branch August 25, 2021 02:28
TomShawn added a commit that referenced this pull request Oct 8, 2021
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chores: update from master (#6594)
7a93371 
* Dumping default consistency description (#5985)

* update max-replicas description (#5984)

* Remove the swappiness parameter (#5987)

* system-variables: update for consistency (#5826)

* Change tidb_memory_usage_alarm_ratio scope to instance (#5988)

* Punctuation fix: Replace 。with . (#6002)

* index page: updated the phase of TiDB Cloud from Beta to Public Preview (#6014)

* Migration FAQs: added the FAQ links of the migration related tools (#6010)

* TiUP cluster: update data_dir (#6009)

* Add kafka downstream example (#6005)

* TiKV configuration: Update description for pin-l0-filter-and-index-blocks (#6008)

* Update the default value of tidb_stmt_summary_max_stmt_count (#6021) (#6023)

* update docs related to partition table dynamic mode (#5997)

* partitioning: Corrected partition management (#5498)

* TiDB binlog: update descriptions about commit ts and passoword (#5986)

* releases: add tidb 4.0.14 release notes (#5996)

* fix a typo for sync_diff_inspector (#6041)

* Update dashboard FAQ (#5895)

* update stale read doc for ga (#6047)

* configure-time-zone: mention `system_time_zone` (#6032)

* Update Security Compatibility with MySQL (#5921)

* correct document of using br backup and restore system tables (#6057)

* Add description about telemetry of builtin functions usage (#6028)

* Add TiDB Dashboard session docs (#6058)

* update br faq (#6060)

* releases: add TiDB 5.1.1 release notes (#6030)

* grafana-overview-dashboard: update the monitoring item for CPS (#6066)

* deploy-tidb-binlog: make the expression on deployment clearer (#6073)

* Add documentation on how to modify gcttl by tiup (#6071)

* remove useless variable (#6076)

* ticdc: add mysql sink user privilege (#6072)

* deleted roadmap.md (#6079)

* TiDB Monitoring Metrics: remove a line (#6081)

* TiDB configuration: add a security option `require-secure-transport` (#6080)

* chore: lock plugin versions (#6089)

* cdc: add compatibility notes for sort-dir (#6086)

* Add gc ttl (#6102) (#6103)

* 5.1.0 release notes: Fix link to telemetry docs (#6106)

* sql-statement-select: Add '...FOR UPDATE NOWAIT' (#6085)

* TiCDC: update a golang demo link (#6055)

* br/use-br-command-line-tool: supplement br note (#6000)

* pr_template: Provides tips for cherry-pick (#6042)

* pr_template: Provides tips for cherry-pick

* Update CONTRIBUTING.md

* Update CONTRIBUTING.md

* TiDB monitoring: add table storage info status api (#6110)

* update doc for Oracle translate function (#6053)

* ticdc: add explicit_defaults_for_timestamp compatibility troubleshoot (#6115)

* Add print the bad sst files and related information for tikv-ctl (#6109)

* add a missing note (#6129)

* Add docs for auto-tls setting (#6125)

* TiFlash: remove outdated tune advise (#6133)

* TiDB lightning: remove default backend setting (#6132)

* tidb-scheduling: fix typo (#6140)

* Suggest Log Redaction when using TDE (#6147)

* Add infoschema.referential_constraints (#6139)

* Add steps to get lightning goroutine (#6001)

* tiup: fix dead links (#6153)

* Deleted description about not supporting some features. (#6157)

* high-concurrency-best-practices: fix the support info of follower read (#6161)

* Update function list pushed down to tiflash (#6165)

* The `log_dir` should be the log directory (#6168)

* Make IP address of Monitoring & Grafana for Minimal Topology consistent (#6178)

* tikv: add storage flow control doc (#6173)

* TiDB configuration: update the default value of `stmt_max_count` (#6172)

* ticdc-open-api: add ticdc open api doc (#6186)

* System variables: update `broadcast_join_threshold_count` and `broadc… (#6181)

* Update tikv-configuration-file.md (#6180)

* TiFlash configuration: update `io_rate_limit` (#6176)

* Add information of hashAgg for memory control (#6171)

* Update description on rule based index selection (#6160)

* add dr auto sync (#6182)

* update doc for SPM (#6146)

* docs: update rereject leader docs (#6183)

* SQL statement, system variables: update expression indexes (#6185)

* Updated sql-plan-management.md (#6184)

* Introduced 2 new variables (#6159)

* Fix broken link in error codes doc and support doc (#6196)

* docs: fix format for TiKV and PD configuration file template invalid. (#6197)

* docs: separate query statement and result in two text boxes. (#6204) (#6205)

* adopters: add zhihu case study (#6207)

* Added descriptions about slow node detection (#6174)

* pd-control: add new config of balance-hot-region-scheduler (#6148)

* add notice about scaling in pd node (#6099)

* add example for expression index (#6215)

* adopters: remove 404 links (#6214)

* ticdc: fix wording (#6231)

* Revert "System variables: update `broadcast_join_threshold_count` and `broadc…" (#6232)

* Update documents of lock view for sprint 4 (#6179)

* ticdc-open-api: correct some error (#6239)

* best practices: add timeout options for Java best practices (#6136)

* update PR template for v5.2 (#6166)

* chore: stop building temporary (#6252)

* fix typo for sql-plan-management.md (#6248)

* alert rules: update some descriptions (#6250)

* Quick start: update version and TiUP playground supports M1 silicon (#6149)

* fix typo: relaod -> reload (#6235)

* tiny fix on index selection (#6265)

* add commands to check tikv user (#5999)

* br: add restore to systables (#6004)

* br: add restore to systables

* Apply suggestions from code review

Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>

Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>

* statement summary: update statement summary doc (#6084)

* Require process privilege for dumpling (#6187)

* tiflash: Remove the description about expr_blacklist in use_tiflash.md (#6188)

* Add description about table name/alias specifying for read_from_storage hint (#6164)

* complex tidb binlog.yaml: add checkpoint info (#6216)

* TiKV configuration: remove redundant instructions (#6218)

* alert rules: remove some descriptions (#6223)

* Revert "add dr auto sync" (#6294)

* TiFlash Config: Add annotation (v5.2.0) (#6296)

* sql: improve kill's description (#6233)

* Add v5.2 TPCH report (#6170)

* docs: fix expression index's document again (#6295)

* system variables.md: add a warning message (#6298)

* sql-statement: Add ADMIN SHOW TELEMETRY (#6138)

* tiup: add notice about importing cluster (#6108)

* Bump version for v5.2.0 (#6191)

* add TiDB 5.2.0 release note (#6237)

* add two HTAP documents (#6206)

* benchmark: add v5.2 benchmark results (#6319)

* Fix title typo (#6324)

* release note: update feature description (#6325)

* adopters: add xiaomi (#6303)

* chore: migrate scripts to docs (#6338)

* credits: update links to the full list of code and docs contributors (#6111)

* TiUP: add instructions for offline mirror (#6137)

* tune tikv memory performance: remove description for sync-log (#6234)

* dashboard statement list: add a note to explain the blue bar and yellow line (#6189)

* release 5.1.0: add compatibility change for `tidb_enable_noop_functions` (#6222)

* modify configuration online: remove unsupported parameters (#6300)

* modify configuration online: change a name for consistency (#6301)

* Migrate from Aurora: update Aurora MySQL dumpling command (#6335)

* PD configuration file: add log level (#6302)

* TiDB Binlog config: update "syncer.to.checkpoint" info (#6340)

* update doc on wal-recovery-mode and use-direct-io-for-flush-and-compaction (#6163)

* Fix TOC display error (#6369)

* sql: fix the correctness problem about kill (#6377)

* change expressions related to statement summary tables (#6299)

* Update grafana-pd-dashboard.md (#6388)

* system variables: update description about `tidb_opt_prefer_range_scan` (#6389)

* Update alert rule for low space (#6376)

* chore: add dispatch back (#6404)

* Add description for TiKV Ready handled panel (#6375)

* TiKV config: fix wrong description about `compaction-readahead-size` (#6371)

* update transaction doc (#6158)

* BR FAQ: add a warning about multi br importing (#6263)

* Configuration Options: remove two TiDB's command options (#6370)

* system-variables: improve noop functions warning (#6374)

* add doc links to overview.md (#6422)

* chore: fix byte encode (#6428)

* performance_schema -> information_schema (#6418)

* chore: update ci scripts (#6429)

* Enhance TiDB login descriptions - EN (#6427)

* release-notes: add 5.2.1 release notes (#6438)

* basic features: add feature matrix (#6130)

* release note: add a check item for feedback-probability (#6405)

* Update system variables for correctness (#6224)

* encryption-at-rest: Update (#6152)

* basic-features: collapse charset and collations (#6452)

* system-variables: update from generated source (#6451)

* fix-enable-compaction-filter-in-tikv-configuration-file (#6403)

* Update the related variable description for CREATE INDEX (#6434)

* TiKV config: add 7 log-related congifurations (#6372)

* Configure placement rules: fix placement doc (#6450)

* adopters: add Pinterest (#6443)

* release-5.2.0: Add info about caching_sha2 (#6344)

* faq: add info for schema is changed error (#6453)

* Update enable-tls-between-clients-and-servers.md (#6493)

* adopters: remove Pinterest (#6501)

* Fix wrong wording in mysql-compatibility.md (#6511)

* adopters: add Huya Live (#6516)

* tidb-configuration-file: correct the default value of committer-concurrency (#6526)

* Tune TiKV: change the default value of `grpc-concurrency` (#6531)

* releases: add tidb 4.0.15 release notes (#6475)

* releases: add tidb 5.0.4 release notes (#6449)

* releases: add tidb 5.1.2 release notes (#6500)

* releases: add TiDB 5.1.2-10-06-33 release notes

* releases: add TiDB 5.1.2-10-06-33 release notes
* Update releases/release-5.1.2-10-06-33.md

* toc

* Apply suggestions from code review

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* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

* add notes from comments

* add more tidb notes

* Update releases/release-5.1.2.md

Co-authored-by: Yuanjia Zhang <qw4990@163.com>

* Apply suggestions from code review

* Apply suggestions from code review

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* Update releases/release-5.1.2.md

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* replace pr numbers with issue numbers

* Update releases/release-5.1.2.md

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* fix

* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

* Apply suggestions from code review

* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* Apply suggestions from code review

* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* remove a note about `raftstore.sync-log` (#6563)

* Add desc of "Storage Write Stall" row in the TiFlash grafana (#6524)

* system variables: update tidb_enable_noop_functions behavior (#6525)

* system variables: document last_insert_id (#6502)

* docs: update pd-configuration about upgrade (#6510)

* fix example for expression index (#6499)

* tidb: fix default value of performance.committer-concurrency (#6498)

* chore: remove circleci config (#6577)

* Document missing sysvars (#6485)

* system-variables: add skip-name-resolve (#6491)

* Document a few more system variables (#6492)

* add dr auto sync (#6592)

* Update from master

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TomShawn added a commit that referenced this pull request Oct 9, 2021
@TomShawn @en-jin19
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chore: update master to refactor-migration-docs (#6595)
186c105 
* Dumping default consistency description (#5985)

* update max-replicas description (#5984)

* Remove the swappiness parameter (#5987)

* system-variables: update for consistency (#5826)

* Change tidb_memory_usage_alarm_ratio scope to instance (#5988)

* Punctuation fix: Replace 。with . (#6002)

* index page: updated the phase of TiDB Cloud from Beta to Public Preview (#6014)

* Migration FAQs: added the FAQ links of the migration related tools (#6010)

* TiUP cluster: update data_dir (#6009)

* Add kafka downstream example (#6005)

* TiKV configuration: Update description for pin-l0-filter-and-index-blocks (#6008)

* Update the default value of tidb_stmt_summary_max_stmt_count (#6021) (#6023)

* update docs related to partition table dynamic mode (#5997)

* partitioning: Corrected partition management (#5498)

* TiDB binlog: update descriptions about commit ts and passoword (#5986)

* releases: add tidb 4.0.14 release notes (#5996)

* fix a typo for sync_diff_inspector (#6041)

* Update dashboard FAQ (#5895)

* update stale read doc for ga (#6047)

* configure-time-zone: mention `system_time_zone` (#6032)

* Update Security Compatibility with MySQL (#5921)

* correct document of using br backup and restore system tables (#6057)

* Add description about telemetry of builtin functions usage (#6028)

* Add TiDB Dashboard session docs (#6058)

* update br faq (#6060)

* releases: add TiDB 5.1.1 release notes (#6030)

* grafana-overview-dashboard: update the monitoring item for CPS (#6066)

* deploy-tidb-binlog: make the expression on deployment clearer (#6073)

* Add documentation on how to modify gcttl by tiup (#6071)

* remove useless variable (#6076)

* ticdc: add mysql sink user privilege (#6072)

* deleted roadmap.md (#6079)

* TiDB Monitoring Metrics: remove a line (#6081)

* TiDB configuration: add a security option `require-secure-transport` (#6080)

* chore: lock plugin versions (#6089)

* cdc: add compatibility notes for sort-dir (#6086)

* Add gc ttl (#6102) (#6103)

* 5.1.0 release notes: Fix link to telemetry docs (#6106)

* sql-statement-select: Add '...FOR UPDATE NOWAIT' (#6085)

* TiCDC: update a golang demo link (#6055)

* br/use-br-command-line-tool: supplement br note (#6000)

* pr_template: Provides tips for cherry-pick (#6042)

* pr_template: Provides tips for cherry-pick

* Update CONTRIBUTING.md

* Update CONTRIBUTING.md

* TiDB monitoring: add table storage info status api (#6110)

* update doc for Oracle translate function (#6053)

* ticdc: add explicit_defaults_for_timestamp compatibility troubleshoot (#6115)

* Add print the bad sst files and related information for tikv-ctl (#6109)

* add a missing note (#6129)

* Add docs for auto-tls setting (#6125)

* TiFlash: remove outdated tune advise (#6133)

* TiDB lightning: remove default backend setting (#6132)

* tidb-scheduling: fix typo (#6140)

* Suggest Log Redaction when using TDE (#6147)

* Add infoschema.referential_constraints (#6139)

* Add steps to get lightning goroutine (#6001)

* tiup: fix dead links (#6153)

* Deleted description about not supporting some features. (#6157)

* high-concurrency-best-practices: fix the support info of follower read (#6161)

* Update function list pushed down to tiflash (#6165)

* The `log_dir` should be the log directory (#6168)

* Make IP address of Monitoring & Grafana for Minimal Topology consistent (#6178)

* tikv: add storage flow control doc (#6173)

* TiDB configuration: update the default value of `stmt_max_count` (#6172)

* ticdc-open-api: add ticdc open api doc (#6186)

* System variables: update `broadcast_join_threshold_count` and `broadc… (#6181)

* Update tikv-configuration-file.md (#6180)

* TiFlash configuration: update `io_rate_limit` (#6176)

* Add information of hashAgg for memory control (#6171)

* Update description on rule based index selection (#6160)

* add dr auto sync (#6182)

* update doc for SPM (#6146)

* docs: update rereject leader docs (#6183)

* SQL statement, system variables: update expression indexes (#6185)

* Updated sql-plan-management.md (#6184)

* Introduced 2 new variables (#6159)

* Fix broken link in error codes doc and support doc (#6196)

* docs: fix format for TiKV and PD configuration file template invalid. (#6197)

* docs: separate query statement and result in two text boxes. (#6204) (#6205)

* adopters: add zhihu case study (#6207)

* Added descriptions about slow node detection (#6174)

* pd-control: add new config of balance-hot-region-scheduler (#6148)

* add notice about scaling in pd node (#6099)

* add example for expression index (#6215)

* adopters: remove 404 links (#6214)

* ticdc: fix wording (#6231)

* Revert "System variables: update `broadcast_join_threshold_count` and `broadc…" (#6232)

* Update documents of lock view for sprint 4 (#6179)

* ticdc-open-api: correct some error (#6239)

* best practices: add timeout options for Java best practices (#6136)

* update PR template for v5.2 (#6166)

* chore: stop building temporary (#6252)

* fix typo for sql-plan-management.md (#6248)

* alert rules: update some descriptions (#6250)

* Quick start: update version and TiUP playground supports M1 silicon (#6149)

* fix typo: relaod -> reload (#6235)

* tiny fix on index selection (#6265)

* add commands to check tikv user (#5999)

* br: add restore to systables (#6004)

* br: add restore to systables

* Apply suggestions from code review

Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>

Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>

* statement summary: update statement summary doc (#6084)

* Require process privilege for dumpling (#6187)

* tiflash: Remove the description about expr_blacklist in use_tiflash.md (#6188)

* Add description about table name/alias specifying for read_from_storage hint (#6164)

* complex tidb binlog.yaml: add checkpoint info (#6216)

* TiKV configuration: remove redundant instructions (#6218)

* alert rules: remove some descriptions (#6223)

* Revert "add dr auto sync" (#6294)

* TiFlash Config: Add annotation (v5.2.0) (#6296)

* sql: improve kill's description (#6233)

* Add v5.2 TPCH report (#6170)

* docs: fix expression index's document again (#6295)

* system variables.md: add a warning message (#6298)

* sql-statement: Add ADMIN SHOW TELEMETRY (#6138)

* tiup: add notice about importing cluster (#6108)

* Bump version for v5.2.0 (#6191)

* add TiDB 5.2.0 release note (#6237)

* add two HTAP documents (#6206)

* benchmark: add v5.2 benchmark results (#6319)

* Fix title typo (#6324)

* release note: update feature description (#6325)

* adopters: add xiaomi (#6303)

* chore: migrate scripts to docs (#6338)

* credits: update links to the full list of code and docs contributors (#6111)

* TiUP: add instructions for offline mirror (#6137)

* tune tikv memory performance: remove description for sync-log (#6234)

* dashboard statement list: add a note to explain the blue bar and yellow line (#6189)

* release 5.1.0: add compatibility change for `tidb_enable_noop_functions` (#6222)

* modify configuration online: remove unsupported parameters (#6300)

* modify configuration online: change a name for consistency (#6301)

* Migrate from Aurora: update Aurora MySQL dumpling command (#6335)

* PD configuration file: add log level (#6302)

* TiDB Binlog config: update "syncer.to.checkpoint" info (#6340)

* update doc on wal-recovery-mode and use-direct-io-for-flush-and-compaction (#6163)

* Fix TOC display error (#6369)

* sql: fix the correctness problem about kill (#6377)

* change expressions related to statement summary tables (#6299)

* Update grafana-pd-dashboard.md (#6388)

* system variables: update description about `tidb_opt_prefer_range_scan` (#6389)

* Update alert rule for low space (#6376)

* chore: add dispatch back (#6404)

* Add description for TiKV Ready handled panel (#6375)

* TiKV config: fix wrong description about `compaction-readahead-size` (#6371)

* update transaction doc (#6158)

* BR FAQ: add a warning about multi br importing (#6263)

* Configuration Options: remove two TiDB's command options (#6370)

* system-variables: improve noop functions warning (#6374)

* add doc links to overview.md (#6422)

* chore: fix byte encode (#6428)

* performance_schema -> information_schema (#6418)

* chore: update ci scripts (#6429)

* Enhance TiDB login descriptions - EN (#6427)

* release-notes: add 5.2.1 release notes (#6438)

* basic features: add feature matrix (#6130)

* release note: add a check item for feedback-probability (#6405)

* Update system variables for correctness (#6224)

* encryption-at-rest: Update (#6152)

* basic-features: collapse charset and collations (#6452)

* system-variables: update from generated source (#6451)

* fix-enable-compaction-filter-in-tikv-configuration-file (#6403)

* Update the related variable description for CREATE INDEX (#6434)

* TiKV config: add 7 log-related congifurations (#6372)

* Configure placement rules: fix placement doc (#6450)

* adopters: add Pinterest (#6443)

* release-5.2.0: Add info about caching_sha2 (#6344)

* faq: add info for schema is changed error (#6453)

* Update enable-tls-between-clients-and-servers.md (#6493)

* adopters: remove Pinterest (#6501)

* Fix wrong wording in mysql-compatibility.md (#6511)

* adopters: add Huya Live (#6516)

* tidb-configuration-file: correct the default value of committer-concurrency (#6526)

* Tune TiKV: change the default value of `grpc-concurrency` (#6531)

* releases: add tidb 4.0.15 release notes (#6475)

* releases: add tidb 5.0.4 release notes (#6449)

* releases: add tidb 5.1.2 release notes (#6500)

* releases: add TiDB 5.1.2-10-06-33 release notes

* releases: add TiDB 5.1.2-10-06-33 release notes
* Update releases/release-5.1.2-10-06-33.md

* toc

* Apply suggestions from code review

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* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

* add notes from comments

* add more tidb notes

* Update releases/release-5.1.2.md

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* Apply suggestions from code review

* Apply suggestions from code review

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* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* Apply suggestions from code review

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* replace pr numbers with issue numbers

* Update releases/release-5.1.2.md

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* fix

* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

* Apply suggestions from code review

* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* Apply suggestions from code review

* Update releases/release-5.1.2.md

* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* Update releases/release-5.1.2.md

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* move notes

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* remove a note about `raftstore.sync-log` (#6563)

* Add desc of "Storage Write Stall" row in the TiFlash grafana (#6524)

* system variables: update tidb_enable_noop_functions behavior (#6525)

* system variables: document last_insert_id (#6502)

* docs: update pd-configuration about upgrade (#6510)

* fix example for expression index (#6499)

* tidb: fix default value of performance.committer-concurrency (#6498)

* chore: remove circleci config (#6577)

* Document missing sysvars (#6485)

* system-variables: add skip-name-resolve (#6491)

* Document a few more system variables (#6492)

* add dr auto sync (#6592)

* tiflash, metric: add alert for TiFlash down (#6590)

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