*: add telemetry support for multi-schema change #35977
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* upstream/master: (77 commits) infoschema: add a simply store for DM's SchemaTracker (pingcap#35954) planner: refactor "access object" related logic and prepare for binary plan (pingcap#35890) telemetry: Initialize telemetry asynchronously (pingcap#35898) sessionctx/variable: convert TiDBLogFileMaxDays and TiDBConfig to ScopeInstance (pingcap#35733) session, sessionctx/variable: ensure sysvars are always in lower case (pingcap#35659) *: add telemetry support for multi-schema change (pingcap#35977) topsql: compress plan instead of dropping it (pingcap#35973) *: use pdqsort to improve sort performance (pingcap#34404) ddl: refine GetDDLInfo function (pingcap#35969) *: Make the code cleaner in session.ExecutePreparedStmt (pingcap#35943) ddl: remove `onDropIndexes` (pingcap#35960) ddl: refine history job code (pingcap#35967) sessionctx,kv,planner: add system variable for fine_grained_shuffle (pingcap#35256) *: change remote cache (pingcap#35968) *: enable gosec (pingcap#35873) plancodec: fix a miss case in conversion (pingcap#35957) ddl: support drop indexes for multi-schema change (pingcap#35883) pdutil: fix unstable test TestPauseSchedulersByKeyRange (pingcap#35949) br: optimize communication with tikv stores. pingcap#31722 (pingcap#35147) txn: rename snapshot related methods in txnManager. (pingcap#35912) ...
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| @@ -68,6 +75,25 @@ func GetCTECounter() CTEUsageCounter { | |||
| } | |||
| } | |||
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| // MultiSchemaChangeUsageCounter records the usages of multi-schema change. | |||
| type MultiSchemaChangeUsageCounter struct { | |||
| MultiSchemaChangeUsed int64 `json:"multi_schema_change_used"` | |||
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Why is this a struct named "counter"? Is there any plan to add more counters in this struct?
"multiSchemaChange": {
"multi_schema_change_used": 0
},
Is this necessary?
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What problem does this PR solve?
Issue Number: ref #14766
Problem Summary: support get multi-schema change usage from telemetry
What is changed and how it works?
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