omg..wow...can cassandra run under supervisor?
this works from the command line as root
/var/apache-cassandra-%=@version%/bin/cassandra -f
this does not work. why?
[program:cassandra]
command = /var/apache-cassandra-%=@version%/bin/cassandra -f
Hi David,
We've had no problems running C* with supervisor, and your conf.d file is
broadly similar to ours. I don't think those errors are anything to do with
supervisor.
We did however have issues starting C* with the recommended resource
Thanks,
do you have a sample of the defaults? I just dont understand why from the
command line it works but not from supervisor
thanks
[include]
files = *.supervisor
[supervisord]
pidfile = /var/run/supervisord.pid
nodaemon=false
[supervisorctl]
serverurl=unix:///var/run/supervisord.sock ;
On 13 February 2014 11:39, David Montgomery davidmontgom...@gmail.com wrote:
[program:cassandra]
command = /var/apache-cassandra-%=@version%/bin/cassandra -f
I'm not familiar with supervisor specifically, but most process
supervisors want the supervised process not to fork; that is, remove
the
I have a table defined in cql like this:
CREATE TABLE chatmessages (
usernamevarchar,
spotnamevarchar,
id varint,
iv varchar,
fromuservarchar,
fromversion varchar,
touser varchar,
toversion varchar,
datetimetimestamp,
data
I am getting these exceptions on one of the nodes, quite often, during
compactions:
java.lang.AssertionError: originally calculated column size of
84562492 but now it is 84562600
Usually this is on the same column family.
I believe this is preventing compactions from completing, and
Hi Susheel,
What kind of searching are you looking to do? What kind of data do you have
stored currently? How much data are you looking to transfer?
Cheers,
On Thu, Feb 13, 2014 at 12:30 AM, Susheel Kumar
susheel.ku...@thedigitalgroup.net wrote:
Hi,
Can you please tell me how to
Hi,
I get a weird issue with cassandra 1.2.13. As written in the subject, a query
executed by class CqlPagingRecordReader raises a TimedOutException exception in
Java but I don't have any error when I use it with cqlsh. What's the difference
between those 2 ways ? Does cqlsh bypass some
A community member asked for a blog post on Storm + Cassandra.
FWIW, here was our journey.
http://brianoneill.blogspot.com/2014/02/storm-and-cassandra-three-year.html
-brian
---
Brian O'Neill
Chief Technology Officer
Health Market Science
The Science of Better Results
2700 Horizon Drive
We have had similar issues and upgrading C* to 2.0.x and Java to 1.7 seems
to have helped our issues.
2014-02-13 Keith Wright kwri...@nanigans.com:
Frank did you ever file a ticket for this issue or find the root cause? I
believe we are seeing the same issues when attempting to bootstrap.
You’re running 2.0.* in production? May I ask what C* version and OS? Any
hardware details would be appreciated as well. Thx!
From: Joel Samuelsson
samuelsson.j...@gmail.commailto:samuelsson.j...@gmail.com
Reply-To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
We had a similar question, a column inserted with a null value also results in
a tombstone.
Also see the (closed) issue about this:
https://issues.apache.org/jira/browse/CASSANDRA-6674
On 13 Feb 2014, at 16:35, Adam Patacchiola a...@2fours.com wrote:
I have a table defined in cql like this:
Thanks a lot Marcus. That explains it.
From: Marcus Eriksson [mailto:krum...@gmail.com]
Sent: Thursday, February 13, 2014 12:33 AM
To: user@cassandra.apache.org
Subject: Re: Worse perf after Row Caching version 1.2.5:
select * from table will not populate row cache, but if the row is cached,
it
TL;DR:
Has anyone ever tried using the new thrift 0.9 TThreadSelectorServer for
their thrift server?
I did today and have found it performs pretty well.
Is this something people would like to see in the C* trunk?
Background:
Yesterday we upgraded from Cass 1.2.14 to Cass 2.0.5.
+1
--
Cyril SCETBON
On 07 Feb 2014, at 01:17, Clint Kelly clint.ke...@gmail.com wrote:
Okay neat, hopefully it will look reasonable by the end of the month or so!
:)
On Thu, Feb 6, 2014 at 4:15 PM, Steven A Robenalt srobe...@stanford.edu
wrote:
I am as well.
Thanks,
Steve
Dear Distinguished Colleagues:
I have a situation where in the production environment one of the
machines is overheating and needs to be serviced. Now, the landscape
looks like this:
4 machines in primary DC, 4 machiens in DR DC. Replication factor is 2.
I also have a QA environment with 4
Here is what I am thinking.
1) Add the new node with token-1 of the old one and let it bootstrap.
2) Once it bootstrapped, remove the old node from the ring
Now, it is #2 that I need clarification on.
Do I use decommission or remove ? How long should I expect those
processes to run ?
decommission
http://www.datastax.com/docs/1.1/cluster_management#replacing-a-dead-node
On Thu, Feb 13, 2014 at 2:28 PM, Oleg Dulin oleg.du...@gmail.com wrote:
Here is what I am thinking.
1) Add the new node with token-1 of the old one and let it bootstrap.
2) Once it bootstrapped, remove
I meant to say Doing sudo swapon -a on that node fixed the problem.
From: Donald Smith [mailto:donald.sm...@audiencescience.com]
Sent: Thursday, February 13, 2014 2:57 PM
To: 'user@cassandra.apache.org'
Subject: Dangers of sudo swapoff --all
I followed the recommendations at
On 2014-02-12 23:11:01 +, mahesh rajamani said:
Hi,
I am using CAS feature through thrift cas api.
I am able to set the expected column with some value and use cas
through thrift api. But I am sure what I should set for expected column
list to achieve IF NOT EXIST condition for a
If the machine was using zero bytes of swap, swapoff should be no
problem. If it is really using zero swap, and turning it off causes
issues, that would be a CentOS kernel bug. It might make better sense
to configure the OS settings like sysctl settings, comment swap out in
fstab, etc. and
Hi,
I only added the -f flag after the first time it did not work. If I dont
use the -f flag.
cassandra_server:cassandra FATAL Exited too quickly (process log
may have details)
On Thu, Feb 13, 2014 at 11:25 PM, Tristan Seligmann mithra...@mithrandi.net
wrote:
On 13 February
On 02/13/2014 07:03 PM, David Montgomery wrote:
I only added the -f flag after the first time it did not work. If I
dont use the -f flag.
cassandra_server:cassandra FATAL Exited too quickly (process
log may have details)
From your original message:
Unrecognized VM option
On 14 February 2014 03:03, David Montgomery davidmontgom...@gmail.com wrote:
I only added the -f flag after the first time it did not work. If I dont
use the -f flag.
cassandra_server:cassandra FATAL Exited too quickly (process log
may have details)
Whoops, I got mixed up;
On Thu, Feb 13, 2014 at 12:11 AM, mahesh rajamani rajamani.mah...@gmail.com
wrote:
Hi,
I am using CAS feature through thrift cas api.
I am able to set the expected column with some value and use cas through
thrift api. But I am sure what I should set for expected column list to
achieve IF
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