Re: Dropped messages on random nodes.

2017-01-24 Thread Dikang Gu
> > > We have a 100 nodes ish cluster, I find that there are dropped messages > on > > random nodes in the cluster, which caused error spikes and P99 latency > > spikes as well. > > > > I tried to figure out the cause. I do not see any obvious bottleneck in >

Re: Dropped messages on random nodes.

2017-01-23 Thread Brandon Williams
on-gc pause is also troubling. (I assume non-gc since there wasn't anything logged by the GC inspector.) On Mon, Jan 23, 2017 at 12:36 AM, Dikang Gu wrote: > Hello there, > > We have a 100 nodes ish cluster, I find that there are dropped messages on > random nodes in the cluster, whi

Re: Dropped messages on random nodes.

2017-01-23 Thread Roopa Tangirala
* Engineering Manager CDE *(408) 438-3156 - mobile* On Mon, Jan 23, 2017 at 4:55 PM, Blake Eggleston wrote: > Hi Dikang, > > Do you have any GC logging or metrics you can correlate with the dropped > messages? A 13 second pause sounds like a bad GC pause. > > Thanks,

Re: Dropped messages on random nodes.

2017-01-23 Thread Blake Eggleston
Hi Dikang, Do you have any GC logging or metrics you can correlate with the dropped messages? A 13 second pause sounds like a bad GC pause. Thanks, Blake On January 22, 2017 at 10:37:22 PM, Dikang Gu (dikan...@gmail.com) wrote: Btw, the C* version is 2.2.5, with several backported patches

Re: Dropped messages on random nodes.

2017-01-22 Thread Dikang Gu
Btw, the C* version is 2.2.5, with several backported patches. On Sun, Jan 22, 2017 at 10:36 PM, Dikang Gu wrote: > Hello there, > > We have a 100 nodes ish cluster, I find that there are dropped messages on > random nodes in the cluster, which caused error spikes and P99 latency

Dropped messages on random nodes.

2017-01-22 Thread Dikang Gu
Hello there, We have a 100 nodes ish cluster, I find that there are dropped messages on random nodes in the cluster, which caused error spikes and P99 latency spikes as well. I tried to figure out the cause. I do not see any obvious bottleneck in the cluster, the C* nodes still have plenty of

Re: dropped messages

2010-09-24 Thread Benjamin Black
ible to tell from logs what the >>> message types (verb) were dropped.  I read this was changed for spamming, >>> but I think the behavior should be configurable, either aggregate counts >>> of >>> dropped messages or log individual occurrences with the message verb.

Re: dropped messages

2010-09-22 Thread Jonathan Ellis
2010 at 8:29 AM, Carl Bruecken >>  wrote: >>> >>>  With current implementation, it's impossible to tell from logs what the >>> message types (verb) were dropped.  I read this was changed for spamming, >>> but I think the behavior should be configurable, e

Re: dropped messages

2010-09-22 Thread Carl Bruecken
as changed for spamming, but I think the behavior should be configurable, either aggregate counts of dropped messages or log individual occurrences with the message verb. One suggestion is to pass message into MessagingService.incrementDroppedMessages and have a configuration item or system propert

Re: dropped messages

2010-09-22 Thread Jonathan Ellis
think the behavior should be configurable, either aggregate counts of > dropped messages or log individual occurrences with the message verb. > > One suggestion is to pass message into > MessagingService.incrementDroppedMessages and have a configuration item or > system property indica

dropped messages

2010-09-22 Thread Carl Bruecken
With current implementation, it's impossible to tell from logs what the message types (verb) were dropped. I read this was changed for spamming, but I think the behavior should be configurable, either aggregate counts of dropped messages or log individual occurrences with the message