Anything in the logs or slow logs? You're sure slow GCs aren't impacting
performance?
On 14 March 2014 15:17, Xiao Yu <m...@xyu.io> wrote:
>
> Can you do a hot_threads while this is happening?
>>
>
> Just for good measure I also checked hot threads for blocking and waiting,
> nothing interesting there either.
>
> ::: [es1.global.search.sat.wordpress.com
> ][7fiNB_thTk-GRDKe4yQITA][inet[/76.74.248.134:9300]]{dc=sat, parity=1,
> master=false}
>
> 0.0% (0s out of 500ms) wait usage by thread 'Finalizer'
> 10/10 snapshots sharing following 4 elements
> java.lang.Object.wait(Native Method)
> java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
> java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
> java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)
>
> 0.0% (0s out of 500ms) wait usage by thread 'Signal Dispatcher'
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
>
> 0.0% (0s out of 500ms) wait usage by thread 'elasticsearch[
> es1.global.search.sat.wordpress.com][[timer]]'
> 10/10 snapshots sharing following 2 elements
> java.lang.Thread.sleep(Native Method)
>
>
> org.elasticsearch.threadpool.ThreadPool$EstimatedTimeThread.run(ThreadPool.java:511)
>
> ::: [es1.global.search.sat.wordpress.com
> ][7fiNB_thTk-GRDKe4yQITA][inet[/76.74.248.134:9300]]{dc=sat, parity=1,
> master=false}
>
> 0.0% (0s out of 500ms) block usage by thread 'Finalizer'
> 10/10 snapshots sharing following 4 elements
> java.lang.Object.wait(Native Method)
> java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
> java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
> java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)
>
> 0.0% (0s out of 500ms) block usage by thread 'Signal Dispatcher'
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
> unique snapshot
>
> 0.0% (0s out of 500ms) block usage by thread 'elasticsearch[
> es1.global.search.sat.wordpress.com][[timer]]'
> 10/10 snapshots sharing following 2 elements
> java.lang.Thread.sleep(Native Method)
>
>
> org.elasticsearch.threadpool.ThreadPool$EstimatedTimeThread.run(ThreadPool.java:511)
>
> While all this is happening indexing operations start to see curl timeouts
> in our application logs.
>
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