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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          master.getAssignmentManager().getRegionStates().isRegionsInTransition());


      // Kill a few regionservers.
      for (int aborted = 0; aborted <= 2; aborted++) {
        HRegionServer hrs = TEST_UTIL.getMiniHBaseCluster().getRegionServer(aborted + 1);
        hrs.abort("Aborting");
      }


      // Wait for regions to come back online again.
      waitForAllRegionsOnline();

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

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    try {
      LOG.info("Aborting " + server.getHServerInfo().toString());
    } catch (IOException e) {
      e.printStackTrace();
    }
    server.abort();
  }


  /**
   * Shut down the specified region server cleanly
   *

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        }
      } catch (Exception ex) {
        String msg =
            "Splitting of index region has failed in stepsAfterPONR stage so aborting the server";
        LOG.error(msg, ex);
        rs.abort(msg);
      }
    }
  }


  // A thread local variable used to get the splitted region information of the index region.

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      }
    } catch (Exception e) {
      LOG.error(
        "Error while rolling back the split failure for index region "
            + splitTransaction.getParent(), e);
      rs.abort("Abort; we got an error during rollback of index");
    }
  }


  // For testing to check whether final step of seek point is added
  public static void setSeekpointAdded(boolean isSeekpointAddded) {

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    String tableName = "testRandomAssignmentAfterRegionServerDown";
    String indexTableName =
        "testRandomAssignmentAfterRegionServerDown" + Constants.INDEX_TABLE_SUFFIX;
    HRegionServer regionServer = cluster.getRegionServer(1);
    regionServer.abort("Aborting to test random assignment after region server down");
    while (master.getServerManager().areDeadServersInProgress()) {
      Thread.sleep(1000);
    }
    int totalNumRegions = 21;
    List<Pair<byte[], ServerName>> iTableStartKeysAndLocations = null;

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   * @param serverNumber  Used as index into a list.
   */
  public String abortRegionServer(int serverNumber) {
    HRegionServer server = getRegionServer(serverNumber);
    LOG.info("Aborting " + server.toString());
    server.abort("Aborting for tests", new Exception("Trace info"));
    return server.toString();
  }


  /**
   * Shut down the specified region server cleanly

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    Configuration conf = new Configuration(TEST_UTIL.getConfiguration());
    conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, SCANNER_TIMEOUT * 100);
    Table higherScanTimeoutTable = new HTable(conf, TABLE_NAME);
    ResultScanner r = higherScanTimeoutTable.getScanner(scan);
    // This takes way less than SCANNER_TIMEOUT*100
    rs.abort("die!");
    Result[] results = r.next(NB_ROWS);
    assertEquals(NB_ROWS, results.length);
    r.close();
    higherScanTimeoutTable.close();
    LOG.info("END ************ test2772");

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