maheshk114 commented on a change in pull request #2266:
URL: https://github.com/apache/hive/pull/2266#discussion_r636613441
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File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java
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@@ -8994,10 +9028,15 @@ public boolean
set_aggr_stats_for(SetPartitionsStatsRequest request) throws TExc
colNames, newStatsMap, request);
} else { // No merge.
Table t = getTable(catName, dbName, tableName);
- for (Map.Entry<String, ColumnStatistics> entry :
newStatsMap.entrySet()) {
- // We don't short-circuit on errors here anymore. That can leave
acid stats invalid.
- ret = updatePartitonColStatsInternal(t, entry.getValue(),
- request.getValidWriteIdList(), request.getWriteId()) && ret;
+ // We don't short-circuit on errors here anymore. That can leave acid
stats invalid.
+ if (newStatsMap.size() > 1) {
+ LOG.info("ETL_PERF started updatePartitionColStatsInBatch");
+ ret = updatePartitionColStatsInBatch(t, newStatsMap,
+ request.getValidWriteIdList(), request.getWriteId());
+ LOG.info("ETL_PERF done updatePartitionColStatsInBatch");
+ } else {
+ ret = updatePartitonColStatsInternal(t,
newStatsMap.values().iterator().next(),
Review comment:
The batching is a specific condition, when the partitions are from same
table. I am not sure if in other flows this holds good. So i have used the
batching only in the flow where this is guaranteed.
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