/** Iterate through all items and detect timed-out items */
void pendingReplicationCheck() {
synchronized (pendingReplications) {
Iterator iter = pendingReplications.entrySet().iterator();
long now = FSNamesystem.now();
FSNamesystem.LOG.debug("PendingReplicationMonitor checking Q");
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
PendingBlockInfo pendingBlock = (PendingBlockInfo) entry.getValue();
if (now > pendingBlock.getTimeStamp() + timeout) {
Block block = (Block) entry.getKey();
synchronized (timedOutItems) {
timedOutItems.add(block);
}
FSNamesystem.LOG.warn("PendingReplicationMonitor timed out block " + block);
iter.remove();
}
}
}
}
void setTimeStamp() {
timeStamp = FSNamesystem.now();
}
PendingBlockInfo(int numReplicas) {
this.timeStamp = FSNamesystem.now();
this.numReplicasInProgress = numReplicas;
}