m*:"Anuj Wadehra"
> *Date*:Wed, 22 Apr, 2015 at 6:12 pm
>
> *Subject*:Re: Handle Write Heavy Loads in Cassandra 2.0.3
>
> Thanks Brice for all the comments..
>
> We analyzed gc logs and heap dump before tuning JVM n gc. With new JVM
> config I specified we were a
Any other suggestions on the JVM Tuning and Cassandra config we did to solve
the promotion failures during gc?
I would appreciate if someone can try to answer our queries mentioned in
initial mail?
Thanks
Anuj Wadehra
Sent from Yahoo Mail on Android
From:"Anuj Wadehra"
Date:Wed, 22 Apr, 2
Thanks Brice for all the comments..
We analyzed gc logs and heap dump before tuning JVM n gc. With new JVM config I
specified we were able to remove promotion failures seen with default config.
With Heap dump I got an idea that memetables and compaction are biggest
culprits.
CAASSANDRA-6142
ahoo Mail on Android
> <https://overview.mail.yahoo.com/mobile/?.src=Android>
> ------
> *From*:"Brice Dutheil"
> *Date*:Tue, 21 Apr, 2015 at 10:22 pm
>
> *Subject*:Re: Handle Write Heavy Loads in Cassandra 2.0.3
>
> This is an intricate matter, I cannot say for sure what are
Thanks Brice!!
We are using Red Hat Linux 6.4..24 cores...64Gb Ram..SSDs in RAID5..CPU are not
overloaded even in peak load..I dont think IO is an issue as iostat shows
await<17 all times..util attrbute in iostat usually increases from 0 to
100..and comes back immediately..m not an expert on a
com/mobile/?.src=Android>
> --
> *From*:"Anuj Wadehra"
> *Date*:Mon, 20 Apr, 2015 at 11:51 pm
> *Subject*:Re: Handle Write Heavy Loads in Cassandra 2.0.3
>
> Small correction: we are making writes in 5 cf an reading frm one at high
> speeds.
>
>
>
Any suggestions or comments on this one??
Thanks
Anuj Wadhera
Sent from Yahoo Mail on Android
From:"Anuj Wadehra"
Date:Mon, 20 Apr, 2015 at 11:51 pm
Subject:Re: Handle Write Heavy Loads in Cassandra 2.0.3
Small correction: we are making writes in 5 cf an reading frm one at high
speeds.
Small correction: we are making writes in 5 cf an reading frm one at high
speeds.
Thanks
Anuj Wadehra
Sent from Yahoo Mail on Android
From:"Anuj Wadehra"
Date:Mon, 20 Apr, 2015 at 7:53 pm
Subject:Handle Write Heavy Loads in Cassandra 2.0.3
Hi,
Recently, we discovered that millions of
