Java Code Examples for org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType#CACHE_ENTRIES

The following examples show how to use org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType#CACHE_ENTRIES . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CacheManager.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
/**
 * Load cache directives from the fsimage
 */
private void loadDirectives(DataInput in) throws IOException {
  StartupProgress prog = NameNode.getStartupProgress();
  Step step = new Step(StepType.CACHE_ENTRIES);
  prog.beginStep(Phase.LOADING_FSIMAGE, step);
  int numDirectives = in.readInt();
  prog.setTotal(Phase.LOADING_FSIMAGE, step, numDirectives);
  Counter counter = prog.getCounter(Phase.LOADING_FSIMAGE, step);
  for (int i = 0; i < numDirectives; i++) {
    CacheDirectiveInfo info = FSImageSerialization.readCacheDirectiveInfo(in);
    // Get pool reference by looking it up in the map
    final String poolName = info.getPool();
    CacheDirective directive =
        new CacheDirective(info.getId(), info.getPath().toUri().getPath(),
            info.getReplication(), info.getExpiration().getAbsoluteMillis());
    addCacheDirective(poolName, directive);
    counter.increment();
  }
  prog.endStep(Phase.LOADING_FSIMAGE, step);
}
Example 2
Source File: CacheManager.java    From big-c with Apache License 2.0 6 votes vote down vote up 
/**
 * Load cache directives from the fsimage
 */
private void loadDirectives(DataInput in) throws IOException {
  StartupProgress prog = NameNode.getStartupProgress();
  Step step = new Step(StepType.CACHE_ENTRIES);
  prog.beginStep(Phase.LOADING_FSIMAGE, step);
  int numDirectives = in.readInt();
  prog.setTotal(Phase.LOADING_FSIMAGE, step, numDirectives);
  Counter counter = prog.getCounter(Phase.LOADING_FSIMAGE, step);
  for (int i = 0; i < numDirectives; i++) {
    CacheDirectiveInfo info = FSImageSerialization.readCacheDirectiveInfo(in);
    // Get pool reference by looking it up in the map
    final String poolName = info.getPool();
    CacheDirective directive =
        new CacheDirective(info.getId(), info.getPath().toUri().getPath(),
            info.getReplication(), info.getExpiration().getAbsoluteMillis());
    addCacheDirective(poolName, directive);
    counter.increment();
  }
  prog.endStep(Phase.LOADING_FSIMAGE, step);
}
Example 3
Source File: CacheManager.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
private void saveDirectives(DataOutputStream out, String sdPath)
    throws IOException {
  StartupProgress prog = NameNode.getStartupProgress();
  Step step = new Step(StepType.CACHE_ENTRIES, sdPath);
  prog.beginStep(Phase.SAVING_CHECKPOINT, step);
  prog.setTotal(Phase.SAVING_CHECKPOINT, step, directivesById.size());
  Counter counter = prog.getCounter(Phase.SAVING_CHECKPOINT, step);
  out.writeInt(directivesById.size());
  for (CacheDirective directive : directivesById.values()) {
    FSImageSerialization.writeCacheDirectiveInfo(out, directive.toInfo());
    counter.increment();
  }
  prog.endStep(Phase.SAVING_CHECKPOINT, step);
}
Example 4
Source File: CacheManager.java    From big-c with Apache License 2.0 5 votes vote down vote up 
private void saveDirectives(DataOutputStream out, String sdPath)
    throws IOException {
  StartupProgress prog = NameNode.getStartupProgress();
  Step step = new Step(StepType.CACHE_ENTRIES, sdPath);
  prog.beginStep(Phase.SAVING_CHECKPOINT, step);
  prog.setTotal(Phase.SAVING_CHECKPOINT, step, directivesById.size());
  Counter counter = prog.getCounter(Phase.SAVING_CHECKPOINT, step);
  out.writeInt(directivesById.size());
  for (CacheDirective directive : directivesById.values()) {
    FSImageSerialization.writeCacheDirectiveInfo(out, directive.toInfo());
    counter.increment();
  }
  prog.endStep(Phase.SAVING_CHECKPOINT, step);
}