2009/8/19 Teodor Sigaev teo...@sigaev.ru:
It produces following error messages
$VAR1 = 'Can\'t use string (0) as a SCALAR ref while strict refs in use
at /usr/lib/perl5/site_perl/5.8.8/Thrift/BinaryProtocol.pm line 376.'
If it's objecting to the 0 in reversed=0, it sounds like a perl
specific
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
If it's objecting to the 0 in reversed=0, it sounds like a perl
specific problem -- why would it be turning that into a string?
It seems to me that it isn't connected to reversed. I changed to 1 and
nothing was changed.
Dunno, then. Bug in the
In the Ruby Thrift it expects a boolean, FYI. Maybe the 0 is false
Perlism is shortcircuited?
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
If it's objecting to the 0 in reversed=0, it sounds like a perl
specific problem -- why would it be turning that into a string?
It seems to me that it isn't
Dunno, then. Bug in the generated perl code? Wouldn't be the first time.
Interesting, if column_names is added with known status ids then Cassandra
returns them although it doesn't take into account reversed and count options.
$result = $client-get_slice(
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
Dunno, then. Bug in the generated perl code? Wouldn't be the first time.
Interesting, if column_names is added with known status ids then Cassandra
returns them although it doesn't take into account reversed and count
options.
it's not supposed to.
start and finish in SliceRange are non-optional. Try empty strings.
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
Some more news, I added printing of stack trace to perl's client, and I see
that problem is in getting answer from server, not in sending. It breaks on
reading of exception
start and finish in SliceRange are non-optional. Try empty strings.
This is a partial fix :) - it works and doesn't emit any exception but returns
nothing.
--
Teodor Sigaev E-mail: teo...@sigaev.ru
WWW:
sounds like you are exhausting the memory on that instance and it is
going into GC swap trying to free enough to continue. this is very
easy to do on 0.3 -- try upgrading to the 0.4 beta if you are using
0.3.
On Tue, Aug 18, 2009 at 3:36 PM, Brian Frank
Coopercoop...@yahoo-inc.com wrote:
Hi
Brian,
Are you guys planning to run workloads at Yahoo to compare Cassandra and PNUTS?
We'd be curious to see what you learn with the 0.4/trunk code.
Sandeep
On Wed, Aug 19, 2009 at 10:20 AM, Brian Frank
Coopercoop...@yahoo-inc.com wrote:
Probably you are right; after Jun's response I looked
Is this 0.3 or 0.4/trunk?
On Wed, Aug 19, 2009 at 2:36 PM, Phillip
Michalakphil.micha...@digitalreasoning.com wrote:
I'm running three Cassandra nodes in virtual machines.
During a 'get' operation from Cassandra-remote directed at one of these
nodes, I'm receiving the following output
It's cassandra-0.4-beta1.
Thanks!
Phil
On Aug 19, 2009, at 4:43 PM, Jonathan Ellis wrote:
Is this 0.3 or 0.4/trunk?
On Wed, Aug 19, 2009 at 2:36 PM, Phillip
Michalakphil.micha...@digitalreasoning.com wrote:
I'm running three Cassandra nodes in virtual machines.
During a 'get' operation from
Try setting start to and end to ~. This is what I did to fix
Lazyboy and it seems to work alright for now.
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
start and finish in SliceRange are non-optional. Try empty strings.
This is a partial fix :) - it works and doesn't emit any exception but
Looks like a bug in TcpConnectionManager. Can you file a ticket?
thanks,
-Jonathan
On Wed, Aug 19, 2009 at 2:49 PM, Phillip
Michalakphil.micha...@digitalreasoning.com wrote:
It's cassandra-0.4-beta1.
Thanks!
Phil
On Aug 19, 2009, at 4:43 PM, Jonathan Ellis wrote:
Is this 0.3 or
Sure thing. Filed as https://issues.apache.org/jira/browse/CASSANDRA-381
Thanks,
Phil
On Aug 19, 2009, at 4:54 PM, Jonathan Ellis wrote:
Looks like a bug in TcpConnectionManager. Can you file a ticket?
thanks,
-Jonathan
On Wed, Aug 19, 2009 at 2:49 PM, Phillip
The following line from the log likely shows the problem. It looks like
that a datanode is somehow null, which shouldn't happen.
columnParent='QueryPath(columnFamilyName='strings',
superColumnName='null', columnName='null')', columns=[id,]) from
38...@null
Jun
IBM Almaden
be careful when profiling blocking io -- I bet that means that I'm
spending all my time blocking for more data to read since there is
only one call per second.
the internal Cassandra MessagingService uses nonblocking io, but the
Thrift stuff is just your standard thread pool with blocking
What Jonathan said. Also, if you have the ability to switch your profiler
between wall mode and CPU mode, I would recommend it to give you a better
overall picture of what is going on. If your profiler can switch between
'sampling' and 'tracing' modes that would also be useful.
I'm not sure if
Thanks for the detailed response. It is really helpful to understand what is
going on behind the covers.
We are using RandomPartitioner. However, I have noticed that some of the
boxes have significantly more data (in /var/cassandra/data and
/var/cassandra/commitlog) than others (like 30 X
The malformed input bug was fixed after beta1 and should be in a
nightly build by now. (I introduced a regression where it couldn't
handle the last entry in the commitlog being incomplete. So upgrading
should be able to restart on the existing commitlogs.)
The OOM puzzles me a little; I'm not
Thanks for the reply. I'll try playing with the memory settings.
brian
From: Jonathan Ellis [jbel...@gmail.com]
Sent: Wednesday, August 19, 2009 7:46 PM
To: cassandra-user@incubator.apache.org
Subject: Re: Server cannot startup after shutdown
The
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