Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2105#discussion_r68036163
--- Diff:
flink-core/src/main/java/org/apache/flink/metrics/MetricRegistry.java ---
@@ -118,40 +120,38 @@ public MetricRegistry(Configuration config) {
if (reporter instanceof Scheduled) {
LOG.info("Periodically reporting
metrics in intervals of {} {}", period, timeunit.name());
- long millis = timeunit.toMillis(period);
- timer = new java.util.Timer("Periodic
Metrics Reporter", true);
- timer.schedule(new
ReporterTask((Scheduled) reporter), millis, millis);
+ executor.scheduleWithFixedDelay(new
ReporterTask((Scheduled) reporter), period, period, timeunit);
}
else {
- timer = null;
+ executor = null;
}
}
catch (Throwable t) {
reporter = new JMXReporter();
- timer = null;
+ executor = null;
--- End diff --
Same here. If `executor != null`, then we should shut it down.
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