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List:       pecl-dev
Subject:    [PECL-DEV] Re: PECL/memcache 3.0.5 issues
From:       Brian Moon <brian () moonspot ! net>
Date:       2010-01-04 20:46:32
Message-ID: 4B4253A8.80305 () moonspot ! net
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The bigger problem was that the sets were simply not working in some 
cases.  We have downgraded and all has been well for 3 days.  3.0.5 just 
does not save data and does not error out when it does not save data.

Brian.
--------
http://brian.moonspot.net/

On 1/4/10 2:43 PM, NICK VERBECK wrote:
> The PECL Memcache Client used to have a constant problem with
> consistent hashing of keys leading to multi copies or out of date
> copies on Memcached Servers. They appear to have fixed some of these
> problems in 3.0.4. Which I would guess would lead 2.2.5 to produce
> different hashes then 3.0.4+. If you can I would upgrade all machines
> to use the same client. Making sure 1st that this doesn't break
> anything else with your code. As I've seen problems with caching
> un/serializing classes between the different versions of the client.
> Otherwise stick with you current 2.2.5 install.
>
> On Sat, Jan 2, 2010 at 3:09 PM, Brian Moon<brian@moonspot.net>  wrote:
>> Hi,
>>
>> We accidentally got 3.0.5 onto a set of our servers.  We have seen some
>> really odd behavior.  It would seem we have some failing sets, but the
>> method never returns false.  But, pulling the data back out on the next run
>> of the script (not immediately, could be minutes apart) yields old data.
>>
>> Also, it would seem the servers are using a different hashing algorithm than
>> ones running 2.2.5.  No options are set to have it use consistent hashing.
>>   We use traditional hashing.  But, getting from a server running 2.2.5 does
>> not yield the same data as the servers running 3.0.5.
>>
>> We are downgrading for now as these are production systems.  If there is
>> anything we can do to debug this, let me know.
>>
>> --
>>
>> Brian.
>> --------
>> http://brian.moonspot.net/
>>
>
>
>

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