Package org.apache.lucene.index.DocumentsWriterPerThreadPool

Examples of org.apache.lucene.index.DocumentsWriterPerThreadPool.ThreadState

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  int numActiveDWPT() {
    return this.perThreadPool.getActiveThreadState();
  }
 
  ThreadState obtainAndLock() {
    final ThreadState perThread = perThreadPool.getAndLock(Thread
        .currentThread(), documentsWriter);
    boolean success = false;
    try {
      if (perThread.isActive()
          && perThread.dwpt.deleteQueue != documentsWriter.deleteQueue) {
        // There is a flush-all in process and this DWPT is
        // now stale -- enroll it for flush and try for
        // another DWPT:
        addFlushableState(perThread);
      }
      success = true;
      // simply return the ThreadState even in a flush all case sine we already hold the lock
      return perThread;
    } finally {
      if (!success) { // make sure we unlock if this fails
        perThread.unlock();
      }
    }
  }
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      DocumentsWriterDeleteQueue newQueue = new DocumentsWriterDeleteQueue(flushingQueue.generation+1);
      documentsWriter.deleteQueue = newQueue;
    }
    final int limit = perThreadPool.getActiveThreadState();
    for (int i = 0; i < limit; i++) {
      final ThreadState next = perThreadPool.getThreadState(i);
      next.lock();
      try {
        if (!next.isActive()) {
          continue;
        }
        assert next.dwpt.deleteQueue == flushingQueue
            || next.dwpt.deleteQueue == documentsWriter.deleteQueue : " flushingQueue: "
            + flushingQueue
            + " currentqueue: "
            + documentsWriter.deleteQueue
            + " perThread queue: "
            + next.dwpt.deleteQueue
            + " numDocsInRam: " + next.dwpt.getNumDocsInRAM();
        if (next.dwpt.deleteQueue != flushingQueue) {
          // this one is already a new DWPT
          continue;
        }
        addFlushableState(next);
      } finally {
        next.unlock();
      }
    }
    synchronized (this) {
      /* make sure we move all DWPT that are where concurrently marked as
       * pending and moved to blocked are moved over to the flushQueue. There is
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  }
 
  private boolean assertActiveDeleteQueue(DocumentsWriterDeleteQueue queue) {
    final int limit = perThreadPool.getActiveThreadState();
    for (int i = 0; i < limit; i++) {
      final ThreadState next = perThreadPool.getThreadState(i);
      next.lock();
      try {
        assert !next.isActive() || next.dwpt.deleteQueue == queue;
      } finally {
        next.unlock();
      }
    }
    return true;
  }
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    public void onDelete(DocumentsWriterFlushControl control, ThreadState state) {
      final ArrayList<ThreadState> pending = new ArrayList<DocumentsWriterPerThreadPool.ThreadState>();
      final ArrayList<ThreadState> notPending = new ArrayList<DocumentsWriterPerThreadPool.ThreadState>();
      findPending(control, pending, notPending);
      final boolean flushCurrent = state.flushPending;
      final ThreadState toFlush;
      if (state.flushPending) {
        toFlush = state;
      } else if (flushOnDeleteTerms()
          && state.dwpt.pendingDeletes.numTermDeletes.get() >= indexWriterConfig
              .getMaxBufferedDeleteTerms()) {
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      final ArrayList<ThreadState> pending = new ArrayList<DocumentsWriterPerThreadPool.ThreadState>();
      final ArrayList<ThreadState> notPending = new ArrayList<DocumentsWriterPerThreadPool.ThreadState>();
      findPending(control, pending, notPending);
      final boolean flushCurrent = state.flushPending;
      long activeBytes = control.activeBytes();
      final ThreadState toFlush;
      if (state.flushPending) {
        toFlush = state;
      } else if (flushOnDocCount()
          && state.dwpt.getNumDocsInRAM() >= indexWriterConfig
              .getMaxBufferedDocs()) {
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  static void findPending(DocumentsWriterFlushControl flushControl,
      ArrayList<ThreadState> pending, ArrayList<ThreadState> notPending) {
    Iterator<ThreadState> allActiveThreads = flushControl.allActiveThreadStates();
    while (allActiveThreads.hasNext()) {
      ThreadState next = allActiveThreads.next();
      if (next.flushPending) {
        pending.add(next);
      } else {
        notPending.add(next);
      }
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  protected void assertActiveBytesAfter(DocumentsWriterFlushControl flushControl) {
    Iterator<ThreadState> allActiveThreads = flushControl.allActiveThreadStates();
    long bytesUsed = 0;
    while (allActiveThreads.hasNext()) {
      ThreadState next = allActiveThreads.next();
      if (next.dwpt != null) {
        bytesUsed += next.dwpt.bytesUsed();
      }
    }
    assertEquals(bytesUsed, flushControl.activeBytes());
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  static void findPending(DocumentsWriterFlushControl flushControl,
      ArrayList<ThreadState> pending, ArrayList<ThreadState> notPending) {
    Iterator<ThreadState> allActiveThreads = flushControl.allActiveThreadStates();
    while (allActiveThreads.hasNext()) {
      ThreadState next = allActiveThreads.next();
      if (next.flushPending) {
        pending.add(next);
      } else {
        notPending.add(next);
      }
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    public void onDelete(DocumentsWriterFlushControl control, ThreadState state) {
      final ArrayList<ThreadState> pending = new ArrayList<>();
      final ArrayList<ThreadState> notPending = new ArrayList<>();
      findPending(control, pending, notPending);
      final boolean flushCurrent = state.flushPending;
      final ThreadState toFlush;
      if (state.flushPending) {
        toFlush = state;
      } else if (flushOnDeleteTerms()
          && state.dwpt.pendingUpdates.numTermDeletes.get() >= indexWriterConfig
              .getMaxBufferedDeleteTerms()) {
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      final ArrayList<ThreadState> pending = new ArrayList<>();
      final ArrayList<ThreadState> notPending = new ArrayList<>();
      findPending(control, pending, notPending);
      final boolean flushCurrent = state.flushPending;
      long activeBytes = control.activeBytes();
      final ThreadState toFlush;
      if (state.flushPending) {
        toFlush = state;
      } else if (flushOnDocCount()
          && state.dwpt.getNumDocsInRAM() >= indexWriterConfig
              .getMaxBufferedDocs()) {
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Related Classes of org.apache.lucene.index.DocumentsWriterPerThreadPool.ThreadState

  • org.apache.lucene.index.DocumentsWriter
  • org.apache.lucene.index.DocumentsWriterFlushControl
  • org.apache.lucene.index.FlushPolicy
  • org.apache.lucene.index.TestFlushByRamOrCountsPolicy
  • org.apache.lucene.index.TestFlushByRamOrCountsPolicy$MockDefaultFlushPolicy
  • org.apache.lucene.index.ThreadAffinityDocumentsWriterThreadPool
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