DongWei created HIVE-26065:
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Summary: incorrect metric for active calls —— alter_partitions
and alter_partition
Key: HIVE-26065
URL: https://issues.apache.org/jira/browse/HIVE-26065
Project: Hive
Issue Type: Bug
Components: Metastore
Reporter: DongWei
Assignee: DongWei
In our production environment, we found that the value of the metric
"active_calls_alter_partition" was negative. This is very confusing.
After checking the HMSHandler.class, we found that the method
alter_partitions_with_environment_context called()
startTableFunction("alter_partitions", catName, db_name, tbl_name);
...
endFunction("alter_partition", oldParts != null, ex, tbl_name);
So the metric "active_calls_alter_partition" will be decremented by one after
the "alter_partitions" function execution ends, causing the value become a
negative number
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