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author | Ivan Topolnjak <ivantopo@gmail.com> | 2016-04-01 13:20:20 +0200 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2016-04-01 13:20:20 +0200 |
commit | 25a51121f1dd155a043fc60006e789c5e1676a8d (patch) | |
tree | b6f625040a5a1422f068fef28410a713ef35f407 /kamon-core/src/main | |
parent | 0d793ffbf2af4b3a8d96de9d9c9edc7bd5b2af97 (diff) | |
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core: catch any exception being thrown when recording values on histograms
fixes #232, fixes #332
Diffstat (limited to 'kamon-core/src/main')
-rw-r--r-- | kamon-core/src/main/scala/kamon/metric/instrument/Histogram.scala | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/kamon-core/src/main/scala/kamon/metric/instrument/Histogram.scala b/kamon-core/src/main/scala/kamon/metric/instrument/Histogram.scala index dc9a4bbf..77cb503b 100644 --- a/kamon-core/src/main/scala/kamon/metric/instrument/Histogram.scala +++ b/kamon-core/src/main/scala/kamon/metric/instrument/Histogram.scala @@ -20,6 +20,7 @@ import java.nio.LongBuffer import kamon.metric.instrument.Histogram.{ DynamicRange, Snapshot } import org.HdrHistogram.ModifiedAtomicHistogram +import org.slf4j.LoggerFactory trait Histogram extends Instrument { type SnapshotType = Histogram.Snapshot @@ -135,6 +136,10 @@ object Histogram { } } +object HdrHistogram { + private val log = LoggerFactory.getLogger(classOf[HdrHistogram]) +} + /** * This implementation is meant to be used for real time data collection where data snapshots are taken often over time. * The collect(..) operation extracts all the recorded values from the histogram and resets the counts, but still @@ -142,10 +147,20 @@ object Histogram { */ class HdrHistogram(dynamicRange: DynamicRange) extends ModifiedAtomicHistogram(dynamicRange.lowestDiscernibleValue, dynamicRange.highestTrackableValue, dynamicRange.precision) with Histogram { + import HdrHistogram.log + + def record(value: Long): Unit = tryRecord(value, 1L) - def record(value: Long): Unit = recordValue(value) + def record(value: Long, count: Long): Unit = tryRecord(value, count) - def record(value: Long, count: Long): Unit = recordValueWithCount(value, count) + private def tryRecord(value: Long, count: Long): Unit = { + try { + recordValueWithCount(value, count) + } catch { + case anyException: Throwable ⇒ + log.warn("Failed to store value {} in HdrHistogram, please review your range configuration.") + } + } def collect(context: CollectionContext): Histogram.Snapshot = { import context.buffer |