DanielZhu58 commented on code in PR #5950:
URL: https://github.com/apache/hive/pull/5950#discussion_r2329526755
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ql/src/java/org/apache/hadoop/hive/ql/ddl/misc/msck/MsckOperation.java:
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@@ -75,7 +78,25 @@ public int execute() throws HiveException, IOException,
TException, MetastoreExc
MsckInfo msckInfo = new MsckInfo(SessionState.get().getCurrentCatalog(),
tableName.getDb(), tableName.getTable(),
desc.getFilterExp(), desc.getResFile(), desc.isRepairPartitions(),
desc.isAddPartitions(), desc.isDropPartitions(),
partitionExpirySeconds);
- return msck.repair(msckInfo);
+ int result = msck.repair(msckInfo);
+ if (msckInfo.getSmallFilesStats() != null &&
!msckInfo.getSmallFilesStats().isEmpty()){
+ List<String> logInfo = new
ArrayList<>(msckInfo.getSmallFilesStats().size());
+ for (Map.Entry<String, String> me :
msckInfo.getSmallFilesStats().entrySet()){
+ String partitionName = me.getKey();
+ String smallFilesStats = me.getValue();
+ logInfo.add("This table/partition average file size is less than
Hive average file size.\n " +
+ "The partition name is " + partitionName + ". " +
smallFilesStats);
+ }
+ SessionState ss = SessionState.get();
+ if (ss != null && ss.getConsole() != null) {
+ ss.getConsole().printInfo("[MSCK] Small files detected.");
+ for (String line : logInfo) {
+ ss.getConsole().printInfo("[MSCK] " + line);
+ }
+ }
+ LOG.info("There are small files exist.\n{}", String.join("\n",
logInfo));
Review Comment:
The text warnings are printed to the end user in the console.
So this doesn't have to be warnings in the LOG, and small files are common
to see.
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