busbey commented on a change in pull request #2038:
URL: https://github.com/apache/hbase/pull/2038#discussion_r457824834
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCleanerChore.java
##########
@@ -79,7 +76,12 @@ public MobFileCleanerChore(HMaster master) {
MobConstants.DEFAULT_MOB_CLEANER_PERIOD),
TimeUnit.SECONDS);
this.master = master;
- cleaner = new ExpiredMobFileCleaner();
+ try (Connection conn =
ConnectionFactory.createConnection(master.getConfiguration())) {
Review comment:
this will call `conn.close` at the end of the try block.
Can we use `master.getConnection()` and just make use of the shared
connection rather than making a new one?
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCleanerChore.java
##########
@@ -156,140 +160,139 @@ public void cleanupObsoleteMobFiles(Configuration conf,
TableName table) throws
// So, if MOB file creation time is greater than this maxTimeToArchive,
// this will be skipped and won't be archived.
long maxCreationTimeToArchive = EnvironmentEdgeManager.currentTime() -
minAgeToArchive;
- try (final Connection conn = ConnectionFactory.createConnection(conf);
- final Admin admin = conn.getAdmin();) {
- TableDescriptor htd = admin.getDescriptor(table);
- List<ColumnFamilyDescriptor> list = MobUtils.getMobColumnFamilies(htd);
- if (list.size() == 0) {
- LOG.info("Skipping non-MOB table [{}]", table);
- return;
- } else {
- LOG.info("Only MOB files whose creation time older than {} will be
archived, table={}",
- maxCreationTimeToArchive, table);
- }
- Path rootDir = CommonFSUtils.getRootDir(conf);
- Path tableDir = CommonFSUtils.getTableDir(rootDir, table);
- // How safe is this call?
- List<Path> regionDirs = FSUtils.getRegionDirs(FileSystem.get(conf),
tableDir);
+ Admin admin = connection.getAdmin();
Review comment:
this should be in a try-with-resources to ensure we close the `Admin`
instance.
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCleanerChore.java
##########
@@ -65,11 +66,7 @@
private static final Logger LOG =
LoggerFactory.getLogger(MobFileCleanerChore.class);
private final HMaster master;
private ExpiredMobFileCleaner cleaner;
-
- static {
- Configuration.addDeprecation(MobConstants.DEPRECATED_MOB_CLEANER_PERIOD,
Review comment:
we should leave this deprecation in. it hasn't been in a release yet.
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