ryanzryu commented on code in PR #26740:
URL: https://github.com/apache/doris/pull/26740#discussion_r1390763496
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fe/fe-core/src/main/java/org/apache/doris/catalog/Env.java:
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@@ -1559,6 +1559,10 @@ private void transferToNonMaster(FrontendNodeType
newType) {
MetricRepo.init();
+ if (analysisManager != null) {
+ analysisManager.getStatisticsCache().preHeat();
Review Comment:
I am not clear know about the component you mentioned "master changed". I
searched the newest code of the 2.0 and master branches and found that
transferToNonMaster is called in several situations:
/*
* INIT -> MASTER: transferToMaster
* INIT -> FOLLOWER/OBSERVER: transferToNonMaster
* UNKNOWN -> MASTER: transferToMaster
* UNKNOWN -> FOLLOWER/OBSERVER: transferToNonMaster
* FOLLOWER -> MASTER: transferToMaster
* FOLLOWER/OBSERVER -> INIT/UNKNOWN: set isReady to
false
*/
I add 'analysisManager.getStatisticsCache().preHeat()' to
transferToNonMaster because I found it has already added in transferToMaster
but not in transferToNonMaster.
Add both of them are called in createStateListener function when Env init.
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