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Make StackdriverWriter#flush() return early when attempting to flush empty

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timeseries

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=132359115
This commit is contained in:
shikhman
2016-09-06 14:01:43 -07:00
committed by Ben McIlwain
parent 0e8d9e3859
commit e5a0392994
1 changed files with 6 additions and 0 deletions
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6
java/google/registry/monitoring/metrics/StackdriverWriter.java
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@@ -193,6 +193,12 @@ public class StackdriverWriter implements MetricWriter {
public void flush() throws IOException {
checkState(timeSeriesBuffer.size() <= 200, FLUSH_OVERFLOW_ERROR);
// Return early; Stackdriver throws errors if we attempt to send empty requests.
if (timeSeriesBuffer.isEmpty()) {
logger.fine("Attempted to flush with no pending points, doing nothing");
return;
}
ImmutableList<TimeSeries> timeSeriesList = ImmutableList.copyOf(timeSeriesBuffer);
timeSeriesBuffer.clear();