How to use

notifyDiscarded

method

in

org.apache.cassandra.db.lifecycle.Tracker

public void replaceFlushed(Memtable memtable, Iterable<SSTableReader> sstables)
{
  assert !isDummy();
  if (Iterables.isEmpty(sstables))
  {
    // sstable may be null if we flushed batchlog and nothing needed to be retained
    // if it's null, we don't care what state the cfstore is in, we just replace it and continue
    apply(View.replaceFlushed(memtable, null));
    return;
  }
  sstables.forEach(SSTableReader::setupOnline);
  // back up before creating a new Snapshot (which makes the new one eligible for compaction)
  maybeIncrementallyBackup(sstables);
  apply(View.replaceFlushed(memtable, sstables));
  Throwable fail;
  fail = updateSizeTracking(emptySet(), sstables, null);
  notifyDiscarded(memtable);
  // TODO: if we're invalidated, should we notifyadded AND removed, or just skip both?
  fail = notifyAdded(sstables, memtable, fail);
  if (!isDummy() && !cfstore.isValid())
    dropSSTables();
  maybeFail(fail);
}

public void replaceFlushed(Memtable memtable, Iterable<SSTableReader> sstables)
{
  assert !isDummy();
  if (Iterables.isEmpty(sstables))
  {
    // sstable may be null if we flushed batchlog and nothing needed to be retained
    // if it's null, we don't care what state the cfstore is in, we just replace it and continue
    apply(View.replaceFlushed(memtable, null));
    return;
  }
  sstables.forEach(SSTableReader::setupOnline);
  // back up before creating a new Snapshot (which makes the new one eligible for compaction)
  maybeIncrementallyBackup(sstables);
  apply(View.replaceFlushed(memtable, sstables));
  Throwable fail;
  fail = updateSizeTracking(emptySet(), sstables, null);
  notifyDiscarded(memtable);
  // TODO: if we're invalidated, should we notifyadded AND removed, or just skip both?
  fail = notifyAdded(sstables, fail);
  if (!isDummy() && !cfstore.isValid())
    dropSSTables();
  maybeFail(fail);
}

public void replaceFlushed(Memtable memtable, Iterable<SSTableReader> sstables)
{
  assert !isDummy();
  if (Iterables.isEmpty(sstables))
  {
    // sstable may be null if we flushed batchlog and nothing needed to be retained
    // if it's null, we don't care what state the cfstore is in, we just replace it and continue
    apply(View.replaceFlushed(memtable, null));
    return;
  }
  sstables.forEach(SSTableReader::setupOnline);
  // back up before creating a new Snapshot (which makes the new one eligible for compaction)
  maybeIncrementallyBackup(sstables);
  apply(View.replaceFlushed(memtable, sstables));
  Throwable fail;
  fail = updateSizeTracking(emptySet(), sstables, null);
  notifyDiscarded(memtable);
  // TODO: if we're invalidated, should we notifyadded AND removed, or just skip both?
  fail = notifyAdded(sstables, fail);
  if (!isDummy() && !cfstore.isValid())
    dropSSTables();
  maybeFail(fail);
}