hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-23324) Parallelise compaction directory cleaning process
Date Wed, 22 Jul 2020 10:46:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23324?focusedWorklogId=461975&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-461975
]

ASF GitHub Bot logged work on HIVE-23324:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Jul/20 10:45
            Start Date: 22/Jul/20 10:45
    Worklog Time Spent: 10m 
      Work Description: deniskuzZ commented on a change in pull request #1275:
URL: https://github.com/apache/hive/pull/1275#discussion_r458702723



##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Cleaner.java
##########
@@ -89,23 +93,28 @@ public void run() {
         handle = txnHandler.getMutexAPI().acquireLock(TxnStore.MUTEX_KEY.Cleaner.name());
         startedAt = System.currentTimeMillis();
         long minOpenTxnId = txnHandler.findMinOpenTxnIdForCleaner();
+        List<CompletableFuture> cleanerList = new ArrayList<>();
         for(CompactionInfo compactionInfo : txnHandler.findReadyToClean()) {
-          clean(compactionInfo, minOpenTxnId);
+          cleanerList.add(CompletableFuture.runAsync(CompactorUtil.ThrowingRunnable.unchecked(()
->
+                  clean(compactionInfo, minOpenTxnId)), cleanerExecutor));
         }
+        CompletableFuture.allOf(cleanerList.toArray(new CompletableFuture[0])).join();
       } catch (Throwable t) {
         LOG.error("Caught an exception in the main loop of compactor cleaner, " +
-            StringUtils.stringifyException(t));
-      }
-      finally {
+                StringUtils.stringifyException(t));
+        if (cleanerExecutor != null) {

Review comment:
       what's the purpose of executor service shutdown?




----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
users@infra.apache.org


Issue Time Tracking
-------------------

    Worklog Id:     (was: 461975)
    Time Spent: 6h 10m  (was: 6h)

> Parallelise compaction directory cleaning process
> -------------------------------------------------
>
>                 Key: HIVE-23324
>                 URL: https://issues.apache.org/jira/browse/HIVE-23324
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Marton Bod
>            Assignee: Adesh Kumar Rao
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 6h 10m
>  Remaining Estimate: 0h
>
> Initiator processes the various compaction candidates in parallel, so we could follow
a similar approach in Cleaner where we currently clean the directories sequentially.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

Mime
View raw message