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From Tyler Hobbs <ty...@datastax.com>
Subject Re: who to contact?
Date Wed, 30 Mar 2011 19:28:50 GMT
Are you looking at Thrift trunk, the thrift package that ships with phpcassa
0.7.a.3, or the phpcassa master branch?

On Wed, Mar 30, 2011 at 2:26 PM, William Oberman
<oberman@civicscience.com>wrote:

> Nevermind, the header of the file says it's an apache project, so I'll
> contact them.  Though, if anyone else is running PHP and is worried about
> dropped connections thrashing their server, apply this patch :-)
>
>
> On Wed, Mar 30, 2011 at 3:18 PM, William Oberman <oberman@civicscience.com
> > wrote:
>
>> I think I found a bug in the cassandra PHP client.  I'm using phpcassa,
>> but the bug is in thrift itself, which I think that library phpcassa just
>> wraps.  In any case, I was trying to test on my local machine, which has
>> limited RAM, so I reduced the JVM heap size.  Of course I immediately had an
>> OOM causing my local cassandra server to crash, but that caused my unit
>> tests to stall at 100% CPU, which seemed weird to me.  I had to figure out
>> why.  It seems that TSocket doesn't test for EOF (it's only checking for a
>> socket timeout), causing a tight infinite loop when the connection
>> disappears.  Checking for EOF in an else if seems like an easy fix, but
>> given how deep this code is in the library I'll leave it to the experts.
>>
>> My diff of the file:
>> @@ -255,6 +255,9 @@
>>          if (true === $md['timed_out'] && false === $md['blocked']) {
>>            throw new TTransportException('TSocket: timed out reading
>> '.$len.' bytes from '.
>>                                 $this->host_.':'.$this->port_);
>> +        } else if(feof($this->handle_)) {
>> +           throw new TTransportException('TSocket: EOF reading '.$len.'
>> bytes from '.
>> +                               $this->host_.':'.$this->port_);
>>          } else {
>>            $pre .= $buf;
>>            $len -= $sz;
>>
>>
>> --
>> Will Oberman
>> Civic Science, Inc.
>> 3030 Penn Avenue., First Floor
>> Pittsburgh, PA 15201
>> (M) 412-480-7835
>> (E) oberman@civicscience.com
>>
>
>
>
> --
> Will Oberman
> Civic Science, Inc.
> 3030 Penn Avenue., First Floor
> Pittsburgh, PA 15201
> (M) 412-480-7835
> (E) oberman@civicscience.com
>



-- 
Tyler Hobbs
Software Engineer, DataStax <http://datastax.com/>
Maintainer of the pycassa <http://github.com/pycassa/pycassa> Cassandra
Python client library

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