xiaoyuyao commented on a change in pull request #286: HDDS-2475. Unregister
ContainerMetadataScrubberMetrics on thread exit
URL: https://github.com/apache/hadoop-ozone/pull/286#discussion_r353366254
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File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/ContainerMetadataScanner.java
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@@ -58,11 +58,17 @@ public void run() {
* the outer daemon loop exits on shutdown()
*/
LOG.info("Background ContainerMetadataScanner starting up");
- while (!stopping) {
- runIteration();
- if(!stopping) {
- metrics.resetNumUnhealthyContainers();
- metrics.resetNumContainersScanned();
+ try {
+ while (!stopping) {
+ runIteration();
+ if (!stopping) {
+ metrics.resetNumUnhealthyContainers();
+ metrics.resetNumContainersScanned();
+ }
+ }
Review comment:
Can we add a log entry if any chance the runIteration() throw? Similar logic
can be found in ContainerDataScanner#run().
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