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Expose total metrics through MBeansp; patched by Pierre-Yves Ritschard; reviewed by Jun Rao; KAFKA-140 

git-svn-id: https://svn.apache.org/repos/asf/incubator/kafka/trunk@1177798 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jun Rao 2011-09-30 19:36:07 +00:00
parent da35513245
commit efc7a8a0cd
3 changed files with 19 additions and 0 deletions
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3
core/src/main/scala/kafka/message/FileMessageSet.scala
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@ -257,6 +257,7 @@ class FileMessageSet private[kafka](private[message] val channel: FileChannel,
trait LogFlushStatsMBean { trait LogFlushStatsMBean {
def getFlushesPerSecond: Double def getFlushesPerSecond: Double
def getAvgFlushMs: Double def getAvgFlushMs: Double
def getTotalFlushMs: Long
def getMaxFlushMs: Double def getMaxFlushMs: Double
def getNumFlushes: Long def getNumFlushes: Long
} }
@ -271,6 +272,8 @@ class LogFlushStats extends LogFlushStatsMBean {
def getAvgFlushMs: Double = flushRequestStats.getAvgMetric def getAvgFlushMs: Double = flushRequestStats.getAvgMetric
def getTotalFlushMs: Long = flushRequestStats.getTotalMetric
def getMaxFlushMs: Double = flushRequestStats.getMaxMetric def getMaxFlushMs: Double = flushRequestStats.getMaxMetric
def getNumFlushes: Long = flushRequestStats.getNumRequests def getNumFlushes: Long = flushRequestStats.getNumRequests

12
core/src/main/scala/kafka/network/SocketServerStats.scala
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@ -33,6 +33,10 @@ trait SocketServerStatsMBean {
def getBytesWrittenPerSecond: Double def getBytesWrittenPerSecond: Double
def getNumFetchRequests: Long def getNumFetchRequests: Long
def getNumProduceRequests: Long def getNumProduceRequests: Long
def getTotalBytesRead: Long
def getTotalBytesWritten: Long
def getTotalFetchRequestMs: Long
def getTotalProduceRequestMs: Long
} }
@threadsafe @threadsafe
@ -77,4 +81,12 @@ class SocketServerStats(val monitorDurationNs: Long, val time: Time) extends Soc
def getNumFetchRequests: Long = fetchTimeStats.getNumRequests def getNumFetchRequests: Long = fetchTimeStats.getNumRequests
def getNumProduceRequests: Long = produceTimeStats.getNumRequests def getNumProduceRequests: Long = produceTimeStats.getNumRequests
def getTotalBytesRead: Long = produceBytesStats.getTotalMetric
def getTotalBytesWritten: Long = fetchBytesStats.getTotalMetric
def getTotalFetchRequestMs: Long = fetchTimeStats.getTotalMetric
def getTotalProduceRequestMs: Long = produceTimeStats.getTotalMetric
} }

4
core/src/main/scala/kafka/utils/Utils.scala
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@ -600,11 +600,13 @@ class SnapshotStats(private val monitorDurationNs: Long = 600L * 1000L * 1000L *
private val complete = new AtomicReference(new Stats()) private val complete = new AtomicReference(new Stats())
private val current = new AtomicReference(new Stats()) private val current = new AtomicReference(new Stats())
private val total = new AtomicLong(0)
private val numCumulatedRequests = new AtomicLong(0) private val numCumulatedRequests = new AtomicLong(0)
def recordRequestMetric(requestNs: Long) { def recordRequestMetric(requestNs: Long) {
val stats = current.get val stats = current.get
stats.add(requestNs) stats.add(requestNs)
total.getAndAdd(requestNs)
numCumulatedRequests.getAndAdd(1) numCumulatedRequests.getAndAdd(1)
val ageNs = time.nanoseconds - stats.start val ageNs = time.nanoseconds - stats.start
// if the current stats are too old it is time to swap // if the current stats are too old it is time to swap
@ -653,6 +655,8 @@ class SnapshotStats(private val monitorDurationNs: Long = 600L * 1000L * 1000L *
} }
} }
def getTotalMetric: Long = total.get
def getMaxMetric: Double = complete.get.maxRequestMetric def getMaxMetric: Double = complete.get.maxRequestMetric
class Stats { class Stats {