dengzhhu653 commented on code in PR #5929: URL: https://github.com/apache/hive/pull/5929#discussion_r2196996935
########## standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java: ########## @@ -9517,6 +9517,9 @@ public Map<String, String> updateTableColumnStatistics(ColumnStatistics colStats // So let's not use them anywhere unless absolutely necessary. String catName = statsDesc.isSetCatName() ? statsDesc.getCatName() : getDefaultCatalog(conf); MTable mTable = ensureGetMTable(catName, statsDesc.getDbName(), statsDesc.getTableName()); + lockForUpdate("TBLS", "TBL_ID", "\"TBL_ID\" = " + mTable.getId()); Review Comment: In this issue we have concurrency updates on the table params, locking on the `TAB_COL_STATS` (`TBL_ID`, `COLUMN_NAME`) is of no use, we still have the same issue when updating multi columns stats in parallel. And the `TAB_COL_STATS` (`TBL_ID`) might not exist, so every client can take over the lock and proceed in this case, resulting to the same issue. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: gitbox-unsubscr...@hive.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: gitbox-unsubscr...@hive.apache.org For additional commands, e-mail: gitbox-h...@hive.apache.org