Check your settings for concurrent compactors (in your yaml) and throughput
(can check and set with nodetool) - both of those can be adjusted
Beyond that you need to give a bit more info to help us help you - are you CPU
bound, disk bound, is the read load the limiter or is compaction? We need
I haven't throttled cassandra compactions. My assumption is that because we
are running lot of batch jobs which can updates or delete partition key,
number of compactions are too many to finish in time which i see in
nodetool compactionstats pending tasks.
Multiple Batch write (and delete) of part
Do you have compaction throttled now?
What exactly takes 6-8 hours?
Are you writing all the keys at one time, then reading, then deleting them all,
or is it a constant stream of writes and reads?
--
Jeff Jirsa
> On Sep 15, 2017, at 8:40 PM, Ashish Pandey wrote:
>
> Hi All,
>
> We are usin
Hi All,
We are using cassandra 3.9 and experiencing read latency issues.
We are using LeveledCompactionStrategy after experiencing read latency
issue with SizeTieredCompactionStrategy. For our use case, table keys are
getting batch updated and batch delete of column values for keys. We almost
wri
On 2017-09-06 00:58, Malcolm Taylor wrote:
> Can someone please review my patch on CASSANDRA-13799 ? The issue fixes
> several alerts raised by lgtm.com, which runs a deep analysis of the code
> in trunk. Some of the alerts refer to clear bugs, while others are
> straightforward improvements su
Thank you for the info! I tried it and it worked as expected.
-Original Message-
From: Murukesh Mohanan [mailto:murukesh.moha...@gmail.com]
Sent: Thursday, September 14, 2017 11:10 PM
To: dev@cassandra.apache.org
Subject: Re: question on the code formatter
The wiki seems to be outdated.
+ 1
This is a good idea.
-Original Message-
From: beggles...@apple.com [mailto:beggles...@apple.com]
Sent: Friday, September 15, 2017 8:29 AM
To: dev@cassandra.apache.org
Subject: Re: Proposal: Closing old, unable-to-repro JIRAs
+1 to that
On September 14, 2017 at 4:50:54 PM, Jeff Ji
+1 to that
On September 14, 2017 at 4:50:54 PM, Jeff Jirsa (jji...@gmail.com) wrote:
There's a number of JIRAs that are old - sometimes very old - that
represent bugs that either don't exist in modern versions, or don't have
sufficient information for us to repro, but the reporter has gone awa
Hi everyone,
recently we are in big trouble while creating the materialise view(mv) on
12 million data set and then we wait for almost 72 hours.
with same data model with half of data set 7 million it took only 10-15
mins to prepare same mv.
please welcome any input on this..
--
Regards,
Pan
