Examples of org.apache.hadoop.hbase.regionserver.HRegionServer.abort()

Package org.apache.hadoop.hbase.regionserver

Class org.apache.hadoop.hbase.regionserver.HRegionServer

Examples of org.apache.hadoop.hbase.regionserver.HRegionServer.abort()

org.apache.hadoop.hbase.regionserver.HRegionServer.abort()
Cause the server to exit without closing the regions it is serving, the log it is using and without notifying the master. Used unit testing and on catastrophic events such as HDFS is yanked out from under hbase or we OOME. @param reason the reason we are aborting @param cause the exception that caused the abort, or null

    int count = 1;
    r.next();
    LOG.info("START ************ TEST3686A---44");


    // Kill after one call to next(), which got 5 rows.
    rs.abort("die!");
    while(r.next() != null) {
      count ++;
    }
    assertEquals(NB_ROWS, count);
    r.close();

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    // abort master
    abortMaster(cluster);


    // abort RS
    LOG.info("Aborting region server: " + hrs.getServerName());
    hrs.abort("testing");


    // wait for abort completes
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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    // abort master
    abortMaster(cluster);


    // abort RS
    LOG.info("Aborting region server: " + hrs.getServerName());
    hrs.abort("testing");


    // wait for the RS dies
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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    makeHLog(hrs1.getWAL(), regions, "table", "family", NUM_LOG_LINES, 100);


    // abort RS1
    LOG.info("Aborting region server: " + hrs1.getServerName());
    hrs1.abort("testing");


    // wait for abort completes
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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    Thread.sleep(300);
    // abort second region server
    rsts = cluster.getLiveRegionServerThreads();
    HRegionServer hrs2 = rsts.get(0).getRegionServer();
    LOG.info("Aborting one more region server: " + hrs2.getServerName());
    hrs2.abort("testing");


    // wait for abort completes
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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    LOG.info("Disabling table\n");
    TEST_UTIL.getHBaseAdmin().disableTable(TableName.valueOf("disableTable"));


    // abort RS
    LOG.info("Aborting region server: " + hrs.getServerName());
    hrs.abort("testing");


    // wait for abort completes
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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    log("Done mocking data up in ZK");


    // Kill the RS that had a hard death
    log("Killing RS " + deadServerName);
    hrsDead.abort("Killing for unit test");
    log("RS " + deadServerName + " killed");


    // Start up a new master.  Wait until regionserver is completely down
    // before starting new master because of hbase-4511.
    while (hrsDeadThread.isAlive()) {

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    HRegion metaRegion = null;
    for (RegionServerThread regionServerThread : regionServerThreads) {
      HRegionServer regionServer = regionServerThread.getRegionServer();
      metaRegion = regionServer.getOnlineRegion(HRegionInfo.FIRST_META_REGIONINFO.getRegionName());
      count++;
      regionServer.abort("");
      if (null != metaRegion) break;
    }
    HRegionServer regionServer = cluster.getRegionServer(count);


    TEST_UTIL.shutdownMiniHBaseCluster();

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    // abort master
    abortMaster(cluster);


    // abort RS
    LOG.info("Aborting region server: " + hrs.getServerName());
    hrs.abort("testing");


    // wait for abort completes
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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    // abort master
    abortMaster(cluster);


    // abort RS
    LOG.info("Aborting region server: " + hrs.getServerName());
    hrs.abort("testing");


    // wait for the RS dies
    TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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