dengzhhu653 commented on code in PR #3567:
URL: https://github.com/apache/hive/pull/3567#discussion_r980676435
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standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java:
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@@ -1523,6 +1531,11 @@ public enum ConfVars {
TXN_USE_MIN_HISTORY_LEVEL("metastore.txn.use.minhistorylevel",
"hive.txn.use.minhistorylevel", true,
"Set this to false, for the TxnHandler and Cleaner to not use
MinHistoryLevel table and take advantage of openTxn optimisation.\n"
+ "If the table is dropped HMS will switch this flag to false."),
+ LOCK_NUMRETRIES("metastore.lock.numretries", "hive.lock.numretries", 100,
Review Comment:
the retries are intended to test whether we can lock on the given table,
https://github.com/apache/hive/blob/bcbdd0c77f73ce7f46342cc30d6c565027fac311/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/leader/LeaseLeaderElection.java#L173-L189
the 100 retries are inspired from
[hive.lock.numretries](https://github.com/apache/hive/blob/master/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java#L2922).
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