incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From William Oberman <ober...@civicscience.com>
Subject Re: who to contact?
Date Wed, 30 Mar 2011 19:39:39 GMT
Well, I'll wait for the next official release then.  Sorry for the
confusion!

On Wed, Mar 30, 2011 at 3:31 PM, Tyler Hobbs <tyler@datastax.com> wrote:

> Actually, it looks like you're probably looking at the bundled Thrift in
> phpcassa 0.7.a.3.  This issue is fixed in Thrift trunk and the phpcassa
> master branch.
>
> On Wed, Mar 30, 2011 at 2:28 PM, Tyler Hobbs <tyler@datastax.com> wrote:
>
>> 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
>>
>>
>
>
> --
> Tyler Hobbs
> Software Engineer, DataStax <http://datastax.com/>
> Maintainer of the pycassa <http://github.com/pycassa/pycassa> Cassandra
> Python client library
>
>


-- 
Will Oberman
Civic Science, Inc.
3030 Penn Avenue., First Floor
Pittsburgh, PA 15201
(M) 412-480-7835
(E) oberman@civicscience.com

Mime
View raw message