VladRodionov commented on a change in pull request #623: HBASE-22749:
Distributed MOB compactions
URL: https://github.com/apache/hbase/pull/623#discussion_r338247868
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
##########
@@ -362,11 +508,375 @@ protected boolean performCompaction(FileDetails fd,
InternalScanner scanner, Cel
abortWriter(mobFileWriter);
}
}
+ // Commit or abort generational writers
+ if (mobWriters != null) {
+ for (StoreFileWriter w: mobWriters.getOutputWriters()) {
+ Long mobs = mobWriters.getMobCountForOutputWriter(w);
+ if (mobs != null && mobs > 0) {
+ mobRefSet.get().add(w.getPath().getName());
+ w.appendMetadata(fd.maxSeqId, major, mobs);
+ w.close();
+ mobStore.commitFile(w.getPath(), path);
+ } else {
+ abortWriter(w);
+ }
+ }
+ }
mobStore.updateCellsCountCompactedFromMob(cellsCountCompactedFromMob);
mobStore.updateCellsCountCompactedToMob(cellsCountCompactedToMob);
mobStore.updateCellsSizeCompactedFromMob(cellsSizeCompactedFromMob);
mobStore.updateCellsSizeCompactedToMob(cellsSizeCompactedToMob);
progress.complete();
return true;
}
+
+ protected static String createKey(TableName tableName, String encodedName,
+ String columnFamilyName) {
+ return tableName.getNameAsString()+ "_" + encodedName + "_"+
columnFamilyName;
+ }
+
+ @Override
+ protected List<Path> commitWriter(StoreFileWriter writer, FileDetails fd,
+ CompactionRequestImpl request) throws IOException {
+ List<Path> newFiles = Lists.newArrayList(writer.getPath());
+ writer.appendMetadata(fd.maxSeqId, request.isAllFiles(),
request.getFiles());
+ // Append MOB references
+ Set<String> refSet = mobRefSet.get();
+ writer.appendMobMetadata(refSet);
+ writer.close();
+ return newFiles;
+ }
+
+ private List<Path> getReferencedMobFiles(Collection<HStoreFile> storeFiles) {
Review comment:
Fixed
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