deniskuzZ commented on code in PR #4855:
URL: https://github.com/apache/hive/pull/4855#discussion_r1414166953
##########
ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Worker.java:
##########
@@ -337,151 +341,16 @@ protected Boolean findNextCompactionAndExecute(boolean
collectGenericStats, bool
checkInterrupt();
- String fullTableName = TxnUtils.getFullTableName(table.getDbName(),
table.getTableName());
-
-
- // Find the partition we will be working with, if there is one.
- Partition p;
- try {
- p = resolvePartition(ci);
- if (p == null && ci.partName != null) {
- ci.errorMessage = "Unable to find partition " +
ci.getFullPartitionName() + ", assuming it was dropped and moving on.";
- LOG.warn(ci.errorMessage + " Compaction info: {}", ci);
- msc.markRefused(CompactionInfo.compactionInfoToStruct(ci));
- return false;
- }
- } catch (Exception e) {
- LOG.error("Unexpected error during resolving partition.", e);
- ci.errorMessage = e.getMessage();
- msc.markFailed(CompactionInfo.compactionInfoToStruct(ci));
- return false;
- }
-
- checkInterrupt();
-
- // Find the appropriate storage descriptor
- final StorageDescriptor sd = resolveStorageDescriptor(table, p);
+ CompactionExecutor compactionExecutor;
- // Check that the table or partition isn't sorted, as we don't yet
support that.
- if (sd.getSortCols() != null && !sd.getSortCols().isEmpty()) {
- ci.errorMessage = "Attempt to compact sorted table " +
ci.getFullTableName() + ", which is not yet supported!";
- LOG.warn(ci.errorMessage + " Compaction info: {}", ci);
- msc.markRefused(CompactionInfo.compactionInfoToStruct(ci));
- return false;
+ if (MetaStoreUtils.isIcebergTable(table.getParameters())) {
+ compactionExecutor = new IcebergCompactionExecutor(this, ci,
compactionTxn, table, collectGenericStats, collectMrStats);
}
-
- if (ci.runAs == null) {
- ci.runAs = TxnUtils.findUserToRunAs(sd.getLocation(), table, conf);
+ else {
+ compactionExecutor = new ACIDCompactionExecutor(this, ci,
compactionTxn, table, collectGenericStats, collectMrStats);
}
- checkInterrupt();
-
- /**
- * we cannot have Worker use HiveTxnManager (which is on ThreadLocal)
since
- * then the Driver would already have the an open txn but then this txn
would have
- * multiple statements in it (for query based compactor) which is not
supported (and since
- * this case some of the statements are DDL, even in the future will not
be allowed in a
- * multi-stmt txn. {@link Driver#setCompactionWriteIds(ValidWriteIdList,
long)} */
- compactionTxn.open(ci);
-
- ValidTxnList validTxnList = msc.getValidTxns(compactionTxn.getTxnId());
- //with this ValidWriteIdList is capped at whatever HWM validTxnList has
- final ValidCompactorWriteIdList tblValidWriteIds =
- TxnUtils.createValidCompactWriteIdList(msc.getValidWriteIds(
- Collections.singletonList(fullTableName),
validTxnList.writeToString()).get(0));
- LOG.debug("ValidCompactWriteIdList: " +
tblValidWriteIds.writeToString());
- conf.set(ValidTxnList.VALID_TXNS_KEY, validTxnList.writeToString());
-
- ci.highestWriteId = tblValidWriteIds.getHighWatermark();
- //this writes TXN_COMPONENTS to ensure that if compactorTxnId fails, we
keep metadata about
- //it until after any data written by it are physically removed
- msc.updateCompactorState(CompactionInfo.compactionInfoToStruct(ci),
compactionTxn.getTxnId());
-
- checkInterrupt();
-
- // Don't start compaction or cleaning if not necessary
- if (isDynPartAbort(table, ci)) {
- msc.markCompacted(CompactionInfo.compactionInfoToStruct(ci));
- compactionTxn.wasSuccessful();
- return false;
- }
- AcidDirectory dir = getAcidStateForWorker(ci, sd, tblValidWriteIds);
- if (!isEnoughToCompact(ci, dir, sd)) {
- if (needsCleaning(dir, sd)) {
- msc.markCompacted(CompactionInfo.compactionInfoToStruct(ci));
- } else {
- // do nothing
- ci.errorMessage = "None of the compaction thresholds met, compaction
request is refused!";
- LOG.debug(ci.errorMessage + " Compaction info: {}", ci);
- msc.markRefused(CompactionInfo.compactionInfoToStruct(ci));
- }
- compactionTxn.wasSuccessful();
- return false;
- }
- if (!ci.isMajorCompaction() &&
!isMinorCompactionSupported(table.getParameters(), dir)) {
- ci.errorMessage = "Query based Minor compaction is not possible for
full acid tables having raw format " +
- "(non-acid) data in them.";
- LOG.error(ci.errorMessage + " Compaction info: {}", ci);
- try {
- msc.markRefused(CompactionInfo.compactionInfoToStruct(ci));
- } catch (Throwable tr) {
- LOG.error("Caught an exception while trying to mark compaction {} as
failed: {}", ci, tr);
- }
- return false;
- }
- checkInterrupt();
-
- try {
- failCompactionIfSetForTest();
-
- /*
- First try to run compaction via HiveQL queries.
- Compaction for MM tables happens here, or run compaction for Crud
tables if query-based compaction is enabled.
- todo Find a more generic approach to collecting files in the same
logical bucket to compact within the same
- task (currently we're using Tez split grouping).
- */
- CompactorPipeline compactorPipeline =
compactorFactory.getCompactorPipeline(table, conf, ci, msc);
- computeStats = (compactorPipeline.isMRCompaction() && collectMrStats)
|| collectGenericStats;
-
- LOG.info("Starting " + ci.type.toString() + " compaction for " +
ci.getFullPartitionName() + ", id:" +
- ci.id + " in " + compactionTxn + " with compute stats set to "
+ computeStats);
-
- CompactorContext compactorContext = new CompactorContext(conf, table,
p, sd, tblValidWriteIds, ci, dir);
- compactorPipeline.execute(compactorContext);
-
- LOG.info("Completed " + ci.type.toString() + " compaction for " +
ci.getFullPartitionName() + " in "
- + compactionTxn + ", marking as compacted.");
- msc.markCompacted(CompactionInfo.compactionInfoToStruct(ci));
- compactionTxn.wasSuccessful();
-
- AcidMetricService.updateMetricsFromWorker(ci.dbname, ci.tableName,
ci.partName, ci.type,
- dir.getCurrentDirectories().size(), dir.getDeleteDeltas().size(),
conf, msc);
- } catch (Throwable e) {
- LOG.error("Caught exception while trying to compact " + ci +
- ". Marking failed to avoid repeated failures", e);
- final CompactionType ctype = ci.type;
- markFailed(ci, e.getMessage());
-
- computeStats = false;
-
- if (runJobAsSelf(ci.runAs)) {
- cleanupResultDirs(sd, tblValidWriteIds, ctype, dir);
Review Comment:
should stay
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