Re: READ Queries timing out.

2017-07-09 Thread Pranay akula
> > Increasing new heap size generally helps when you're seeing a lot of > promotion - if you're not seeing long major GCs, are you seeing a lot of > promotion from eden to old gen? > You don't typically set -Xmn (new heap size) when using G1GC Nope not really > currently using JVM_OPTS="$JVM_OP

Re: READ Queries timing out.

2017-07-07 Thread Jeff Jirsa
On 2017-07-07 07:26 (-0700), Pranay akula wrote: > Lately i am seeing some select queries timing out, data modelling to blame > for but not in a situation to redo it. > > Does increasing heap will help ?? > > currently using 1GB new_heap, I analysed the GC logs not having any issues > with ma

RE: READ Queries timing out.

2017-07-07 Thread Durity, Sean R
...@gmail.com] Sent: Friday, July 07, 2017 11:47 AM To: user@cassandra.apache.org Cc: ZAIDI, ASAD A Subject: Re: READ Queries timing out. Thanks ZAIDI, Using C++ driver doesn't have tracing with driver so executing those from cqlsh. when i am tracing i am getting below error, i increased --re

Re: READ Queries timing out.

2017-07-07 Thread Pranay akula
> It can happen at the client side because of connection pool queue too full > (which is likely due to response time from the cluster/coordinate nodes). > > And the issues at the cluster side could be due to several reasons. > > E.g. your query has to scan through too many tombstones

Re: READ Queries timing out.

2017-07-07 Thread Thakrar, Jayesh
A" Date: Friday, July 7, 2017 at 9:45 AM To: "user@cassandra.apache.org" Subject: RE: READ Queries timing out. >> I analysed the GC logs not having any issues with major GC's If you don’t have issues on GC , than why do you want to [tune] GC parameters ?

Re: READ Queries timing out.

2017-07-07 Thread Pranay akula
ace? > > > > > > *From:* Pranay akula [mailto:pranay.akula2...@gmail.com] > *Sent:* Friday, July 07, 2017 9:27 AM > *To:* user@cassandra.apache.org > *Subject:* READ Queries timing out. > > > > Lately i am seeing some select queries timing out, data modelling to blam

RE: READ Queries timing out.

2017-07-07 Thread ZAIDI, ASAD A
anay.akula2...@gmail.com] Sent: Friday, July 07, 2017 9:27 AM To: user@cassandra.apache.org Subject: READ Queries timing out. Lately i am seeing some select queries timing out, data modelling to blame for but not in a situation to redo it. Does increasing heap will help ?? currently using 1GB new_heap,

READ Queries timing out.

2017-07-07 Thread Pranay akula
Lately i am seeing some select queries timing out, data modelling to blame for but not in a situation to redo it. Does increasing heap will help ?? currently using 1GB new_heap, I analysed the GC logs not having any issues with major GC's . Using G1GC , does increasing new_heap will help ?? cur