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https://issues.apache.org/jira/browse/FLINK-7405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16121177#comment-16121177
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ASF GitHub Bot commented on FLINK-7405:
---------------------------------------
Github user bowenli86 commented on the issue:
https://github.com/apache/flink/pull/4508
@zentol Please let me know if this is good :)
> Reduce spamming warning logging from DatadogHttpReporter
> --------------------------------------------------------
>
> Key: FLINK-7405
> URL: https://issues.apache.org/jira/browse/FLINK-7405
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Affects Versions: 1.3.2
> Reporter: Bowen Li
> Assignee: Bowen Li
> Priority: Minor
> Fix For: 1.4.0, 1.3.3
>
>
> DatadogHttpReporter is logging too much when there's a connection timeout,
> and we need to reduce the amount of logging noise.
> The excessive logging looks like:
> {code:java}
> 2017-08-07 19:30:54,408 WARN
> org.apache.flink.metrics.datadog.DatadogHttpReporter - Failed
> reporting metrics to Datadog.
> java.net.SocketTimeoutException: timeout
> at
> org.apache.flink.shaded.okio.Okio$4.newTimeoutException(Okio.java:227)
> at org.apache.flink.shaded.okio.AsyncTimeout.exit(AsyncTimeout.java:284)
> at
> org.apache.flink.shaded.okio.AsyncTimeout$2.read(AsyncTimeout.java:240)
> at
> org.apache.flink.shaded.okio.RealBufferedSource.indexOf(RealBufferedSource.java:344)
> at
> org.apache.flink.shaded.okio.RealBufferedSource.readUtf8LineStrict(RealBufferedSource.java:216)
> at
> org.apache.flink.shaded.okio.RealBufferedSource.readUtf8LineStrict(RealBufferedSource.java:210)
> at
> org.apache.flink.shaded.okhttp3.internal.http1.Http1Codec.readResponseHeaders(Http1Codec.java:189)
> at
> org.apache.flink.shaded.okhttp3.internal.http.CallServerInterceptor.intercept(CallServerInterceptor.java:75)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
> at
> org.apache.flink.shaded.okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:45)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
> at
> org.apache.flink.shaded.okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
> at
> org.apache.flink.shaded.okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:120)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
> at
> org.apache.flink.shaded.okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
> at
> org.apache.flink.shaded.okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:185)
> at org.apache.flink.shaded.okhttp3.RealCall.execute(RealCall.java:69)
> at
> org.apache.flink.metrics.datadog.DatadogHttpClient.send(DatadogHttpClient.java:85)
> at
> org.apache.flink.metrics.datadog.DatadogHttpReporter.report(DatadogHttpReporter.java:142)
> at
> org.apache.flink.runtime.metrics.MetricRegistry$ReporterTask.run(MetricRegistry.java:381)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.net.SocketException: Socket closed
> at java.net.SocketInputStream.read(SocketInputStream.java:204)
> at java.net.SocketInputStream.read(SocketInputStream.java:141)
> at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
> at sun.security.ssl.InputRecord.read(InputRecord.java:503)
> at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:983)
> at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:940)
> at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
> at org.apache.flink.shaded.okio.Okio$2.read(Okio.java:138)
> at
> org.apache.flink.shaded.okio.AsyncTimeout$2.read(AsyncTimeout.java:236)
> ... 29 more
> {code}
> The logging doesn't matter since DatadogHttpReporter won't retry when it
> fails sending out requests. Thus, let's reduce it to something as concise as
> this:
> {code:java}
> 2017-08-07 19:30:54,408 WARN
> org.apache.flink.metrics.datadog.DatadogHttpReporter - Failed
> reporting metrics to Datadog.
> java.net.SocketTimeoutException: timeout
> {code}
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