jhuan31 commented on a change in pull request #850: ZOOKEEPER-3309: Add sync
processor metrics
URL: https://github.com/apache/zookeeper/pull/850#discussion_r266107659
##########
File path:
zookeeper-server/src/main/java/org/apache/zookeeper/server/SyncRequestProcessor.java
##########
@@ -117,49 +119,41 @@ public void run() {
if (si == requestOfDeath) {
break;
}
- if (si != null) {
- // track the number of records written to the log
- if (zks.getZKDatabase().append(si)) {
- logCount++;
- if (logCount > (snapCount / 2 + randRoll)) {
- randRoll = r.nextInt(snapCount/2);
- // roll the log
- zks.getZKDatabase().rollLog();
- // take a snapshot
- if (snapInProcess != null &&
snapInProcess.isAlive()) {
- LOG.warn("Too busy to snap, skipping");
- } else {
- snapInProcess = new ZooKeeperThread("Snapshot
Thread") {
- public void run() {
- try {
- zks.takeSnapshot();
- } catch(Exception e) {
- LOG.warn("Unexpected
exception", e);
- }
+ long startProcessTime = Time.currentElapsedTime();
+ ServerMetrics.SYNC_PROCESSOR_REAL_QUEUE_TIME.add(
+ startProcessTime - si.syncQueueStartTime);
+ // track the number of records written to the log
+ if (zks.getZKDatabase().append(si)) {
+ logCount++;
+ if (logCount > (snapCount / 2 + randRoll)) {
+ randRoll = r.nextInt(snapCount/2);
+ // roll the log
+ zks.getZKDatabase().rollLog();
+ // take a snapshot
+ if (snapInProcess != null && snapInProcess.isAlive()) {
+ LOG.warn("Too busy to snap, skipping");
+ } else {
+ snapInProcess = new ZooKeeperThread("Snapshot
Thread") {
+ public void run() {
+ try {
+ zks.takeSnapshot();
+ } catch(Exception e) {
+ LOG.warn("Unexpected exception",
e);
}
- };
- snapInProcess.start();
- }
- logCount = 0;
+ }
+ };
+ snapInProcess.start();
}
- } else if (toFlush.isEmpty()) {
Review comment:
PR 853
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