Examples of HeartBeater

com.alimama.mdrill.index.utils.HeartBeater
This class runs a background thread that once ever 5 seconds checks to see if a progress report is needed. If a report is needed it is issued. A simple counter {@link #threadsNeedingHeartBeat} handles the number ofthreads requesting a heart beat. The expected usage pattern is
```
 try { heartBeater.needHeartBeat(); do something that may take a while } finally { heartBeater.cancelHeartBeat(); } 
```
com.opengamma.livedata.client.Heartbeater
All logic relating to sending a subscription heartbeat message. @author kirk
com.splout.db.common.HeartBeater
A Heart Beater mostly inspired by the one in SolrOutputFormat PATCH
org.apache.hadoop.hive.ql.exec.Heartbeater
Class to handle heartbeats for MR and Tez tasks.
org.apache.solr.hadoop.HeartBeater
This class runs a background thread that once every 60 seconds checks to see if a progress report is needed. If a report is needed it is issued. A simple counter {@link #threadsNeedingHeartBeat} handles the number ofthreads requesting a heart beat. The expected usage pattern is
```
 try { heartBeater.needHeartBeat(); do something that may take a while } finally { heartBeater.cancelHeartBeat(); } 
```

Examples of org.apache.hadoop.hive.ql.exec.Heartbeater

    int failedCounter = 0;
    int rc = 0;
    DAGStatus.State lastState = null;
    String lastReport = null;
    Set<StatusGetOpts> opts = new HashSet<StatusGetOpts>();
    Heartbeater heartbeater = new Heartbeater(txnMgr, conf);


    shutdownList.add(dagClient);


    console.printInfo("\n");
    perfLogger.PerfLogBegin(CLASS_NAME, PerfLogger.TEZ_RUN_DAG);
    perfLogger.PerfLogBegin(CLASS_NAME, PerfLogger.TEZ_SUBMIT_TO_RUNNING);


    while(true) {


      try {
        status = dagClient.getDAGStatus(opts);
        Map<String, Progress> progressMap = status.getVertexProgress();
        DAGStatus.State state = status.getState();
        heartbeater.heartbeat();


        if (state != lastState || state == RUNNING) {
          lastState = state;


          switch(state) {

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Examples of org.apache.solr.hadoop.HeartBeater


  @Override
  protected void setup(Context context) throws IOException, InterruptedException {
    super.setup(context);
    this.context = context;
    heartBeater = new HeartBeater(context);
    this.runner = new MorphlineMapRunner(
        context.getConfiguration(), new MyDocumentLoader(), getSolrHomeDir().toString());
  }

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