terrytlu

HIVE-28526 may produce null pointer when struct type value is null

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### What changes were proposed in this pull request? null pointer check ### Why are the changes needed? it is a bug. ### Does this PR introduce _any_ user-facing change?...

HBASE-28860 Add a metric of the amount of data written to WAL to determine the pressure of replication

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Add a metric of the amount of data written to WAL to determine the pressure of replication. Combined with the replication shipped size metric, the user can determine how many...

HBASE-28845 table level wal appendSize and replication source metrics…

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Found 2 metrics did not display in the /jmx http interface response, table level wal appendSize and table level replication source. I suspect it's because the metric name contains a...

HBASE-29272 When Spark reads an HBase snapshot, it always read empty …

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Fix the issue that after Spark 3.2.0, when Spark reads an HBase snapshot, it always read empty, even if the hbase snapshot actually has data.