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From Juho Mäkinen <juho.maki...@gmail.com>
Subject Re: TSocket: Could not write 85 bytes -exception on some get_column calls
Date Tue, 06 Jul 2010 10:15:07 GMT
Hi Pieter,

I switched to framed transport but it didn't completely fix the problem.

> PS. i see there is 0.6.3 now available for debian, I'll test that version..
> like you said you don't have the issue on 0.6.3 it might be fixed there..

I'm sorry if I didn't tell clearly enough: the problem started at
version 0.6.1, but
updating to 0.6.3 did not fix the problem.

 - Juho Mäkinen


On Tue, Jul 6, 2010 at 12:05 PM, Pieter Maes <maescool@gmail.com> wrote:
>  I'm having a simmular problem, but i get verry random read problems 4
> bytes timouts. (mailed before about this)
>
> The only fix i got/found was, switch to framed transport instead of
> buffered transport, but i still have the same problem (less frequent)
>
> running debian packaged cassandra (0.6.1)
> with phpcassa lib (using thrift)
>
> I have it localhost and external host, so network/switching is not the
> problem..
> I'm afraid there is still something wrong with php thrift.. (even after
> patch https://issues.apache.org/jira/browse/THRIFT-347)
>
> PS. i see there is 0.6.3 now available for debian, I'll test that version..
> like you said you don't have the issue on 0.6.3 it might be fixed there..
>
> Pieter Maes
>
> Op 6/07/10 10:14, Juho Mäkinen schreef:
>> I'm having a strange problem when some of get_column and get_slice calls
>> fails to "TSocket: Could not write 85 bytes paja.dev.pri:9160" exception.
>> The problem appears on some but not all calls to get_column and also
>> some times to other calls.
>>
>> I'm using 0.6.3 on a single host (it's a development installation) but
>> the problem appeared on 0.6.1. The client side is done with php using
>> the thrift api.
>>
>> I've turned on TRACE level debugging on the cassandra server and the requests
>> which doesn't fail produce this kind of debug to the logs:
>>
>> DEBUG [pool-1-thread-4] 2010-07-06 11:12:23,438 CassandraServer.java
>> (line 266) get
>> DEBUG [ROW-READ-STAGE:2] 2010-07-06 11:12:23,439 StorageProxy.java
>> (line 755) weakreadlocal reading SliceByNamesReadCommand(table='ig',
>> key='2249', columnParent='QueryPath(columnFamilyName='TalkLastMessages',
>> superColumnName='null', columnName='null')', columns=[2582837,])
>>
>> But the requests which fails to the TSocket: Could not write 85 bytes -exception
>> doesn't print anything to the logs. I'm doing the same request all the
>> time with same
>> parameters.
>>
>> How I should debug this issue? All ideas and tips are greatly appreciated.
>>
>>  - Juho Mäkinen
>

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