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From: joshelser <git@git.apache.org>
To: dev@accumulo.apache.org
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References: <git-pr-143-accumulo@git.apache.org>
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Subject: [GitHub] accumulo pull request #143: ACCUMULO-4428 Fix state of GC firstSeenDead map
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Message-Id: <20160831192610.349C7E01BD@git1-us-west.apache.org>
Date: Wed, 31 Aug 2016 19:26:10 +0000 (UTC)
archived-at: Wed, 31 Aug 2016 19:26:12 -0000

Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/143#discussion_r77055926
  
    --- Diff: test/src/test/java/org/apache/accumulo/test/functional/GarbageCollectorIT.java ---
    @@ -139,6 +150,52 @@ public void gcTest() throws Exception {
       }
     
       @Test
    +  public void gcDeleteDeadTServerWAL() throws Exception {
    +    // Kill GC process
    +    killMacGc();
    +
    +    // Create table and ingest data
    +    Connector c = getConnector();
    +    c.tableOperations().create("test_ingest");
    +    c.tableOperations().setProperty("test_ingest", Property.TABLE_SPLIT_THRESHOLD.getKey(), "5K");
    +    String tableId = getConnector().tableOperations().tableIdMap().get("test_ingest");
    +    TestIngest.Opts opts = new TestIngest.Opts();
    +    VerifyIngest.Opts vopts = new VerifyIngest.Opts();
    +    vopts.rows = opts.rows = 10000;
    +    vopts.cols = opts.cols = 1;
    +    opts.setPrincipal("root");
    +    vopts.setPrincipal("root");
    +    TestIngest.ingest(c, opts, new BatchWriterOpts());
    +
    +    // Test WAL log has been created
    +    List<String> walsBefore = getWALsForTableId(tableId);
    +    Assert.assertEquals("Should be one WAL", 1, walsBefore.size());
    +
    +    // Flush and check for no WAL logs
    +    c.tableOperations().flush("test_ingest", null, null, true);
    +    List<String> walsAfter = getWALsForTableId(tableId);
    +    Assert.assertEquals("Should be no WALs", 0, walsAfter.size());
    +
    +    // Validate WAL file still exists
    +    String walFile = walsBefore.get(0).split("\\|")[0].replaceFirst("file:///", "");
    +    File wf = new File(walFile);
    +    Assert.assertEquals("WAL file does not exist", true, wf.exists());
    +
    +    // Kill TServer and give it some time to die and master to rebalance
    +    killMacTServer();
    --- End diff --
    
    Already pushed :)
    
    8a3cc4f is the fix I did and it worked for me locally. Would be happy to have you look at it too!


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