Wechar created HIVE-26401:
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Summary: Refine the log of add_partitions if the partition already
exists
Key: HIVE-26401
URL: https://issues.apache.org/jira/browse/HIVE-26401
Project: Hive
Issue Type: Improvement
Components: Hive
Affects Versions: 4.0.0-alpha-1
Reporter: Wechar
Assignee: Wechar
Fix For: 4.0.0-alpha-2
Currently {{*add_partitions_xxx*}} will log the complete information of a
partition if it already exists, see in
[HMSHandler.java#L4320|https://github.com/apache/hive/blob/e3751ab545370f9b252d0b4a07bc315037541a95/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java#L4320]:
{code:java}
if (!shouldAdd) {
LOG.info("Not adding partition {} as it already exists", part);
return false;
}
{code}
It will print a long message including the columns of this partition, we think
it is unnecessary based on the following two points:
{color:red}1. The long message is redundant.{color}
We can get enough information from just
*cat_name.db_name.tbl_name[part_col1=part_val1/part_col2=part_val2...]*
{color:red}2. The long message is not friendly to save and query.{color}
This log message will take up a large log space especially when the user need
to execute *MSCK REPAIR TABLE* operation regularly because the old partition
must be already existed.
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