[jira] [Created] (FLINK-7405) Reduce excessive warning logging from DatadogHttpReporter

["Bowen Li (JIRA)" <ji...@apache.org>]

Bowen Li created FLINK-7405:
-------------------------------

             Summary: Reduce excessive warning logging from DatadogHttpReporter
                 Key: FLINK-7405
                 URL: https://issues.apache.org/jira/browse/FLINK-7405
             Project: Flink
          Issue Type: Improvement
    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}

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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