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Turning down loglevels of metrics streams #1124

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merged 1 commit into from
Mar 10, 2016
Merged

Turning down loglevels of metrics streams #1124

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4 changes: 2 additions & 2 deletions ...m/src/main/java/com/netflix/hystrix/contrib/metrics/eventstream/HystrixMetricsPoller.java
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ public HystrixMetricsPoller(MetricsAsJsonPollerListener listener, int delay) {
public synchronized void start() {
// use compareAndSet to make sure it starts only once and when not running
if (running.compareAndSet(false, true)) {
logger.info("Starting HystrixMetricsPoller");
logger.debug("Starting HystrixMetricsPoller");
try {
scheduledTask = executor.scheduleWithFixedDelay(new MetricsPoller(listener), 0, delay, TimeUnit.MILLISECONDS);
} catch (Throwable ex) {
Expand All @@ -110,7 +110,7 @@ public synchronized void start() {
public synchronized void pause() {
// use compareAndSet to make sure it stops only once and when running
if (running.compareAndSet(true, false)) {
logger.info("Stopping the HystrixMetricsPoller");
logger.debug("Stopping the HystrixMetricsPoller");
scheduledTask.cancel(true);
} else {
logger.debug("Attempted to pause a stopped poller");
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6 changes: 3 additions & 3 deletions ...ain/java/com/netflix/hystrix/contrib/metrics/eventstream/HystrixMetricsStreamServlet.java
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Expand Up @@ -137,7 +137,7 @@ private void handleRequest(HttpServletRequest request, HttpServletResponse respo
poller = new HystrixMetricsPoller(jsonListener, delay);
// start polling and it will write directly to the output stream
poller.start();
logger.info("Starting poller");
logger.debug("Starting poller");

// we will use a "single-writer" approach where the Servlet thread does all the writing
// by fetching JSON messages from the MetricJsonListener to write them to the output
Expand Down Expand Up @@ -172,15 +172,15 @@ private void handleRequest(HttpServletRequest request, HttpServletResponse respo
}
} catch (InterruptedException e) {
poller.shutdown();
logger.debug("InterruptedException. Will stop polling.");
logger.debug("InterruptedException. Will stop polling.");
Thread.currentThread().interrupt();
} catch (IOException e) {
poller.shutdown();
// debug instead of error as we expect to get these whenever a client disconnects or network issue occurs
logger.debug("IOException while trying to write (generally caused by client disconnecting). Will stop polling.", e);
} catch (Exception e) {
poller.shutdown();
logger.error("Failed to write. Will stop polling.", e);
logger.error("Failed to write Hystrix metrics. Will stop polling.", e);
}
logger.debug("Stopping Turbine stream to connection");
}
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