[Gluster-devel] Excessive memory usage with 1.3.12

Dan Parsons dparsons at nyip.net
Wed Nov 5 19:43:41 UTC 2008

I'm not really the best person to answer this question but I'll try  

There is a commercial entity behind glusterfs - ZResearch(.com) of  
which most/all of the developers are employed by. The developers are  
(imo) very good and quick to respond to nearly every problem, it's  
just this one particular issue where a response/fix has been a bit slow.

glusterfs is moving from 1.3.x to 1.4.x with some fundamental changes  
involved but I don't think it's the same as what you mean by  
"transitional state".

The product has been extremely stable for me (8gbit/s IO spread across  
4 servers to 33 cpu nodes, bioinformatics work) and this memory "bug"  
hasn't caused a crash under real work yet, just testing, but only  
because our job input size is currently small.

So in summary, I love glusterfs, the devs/company behind it are solid,  
it performs better for my work than others (pvfs, lustre) - it's just  
this one io-cache memory bug that's been getting less-than-average  
attention, and perhaps with this recent spark in attention that will  
change :)

Dan Parsons

On Nov 5, 2008, at 11:20 AM, rhubbell wrote:

> On Wed, 2008-11-05 at 19:55 +0100, Lukas Hejtmanek wrote:
>> On Wed, Nov 05, 2008 at 10:08:24AM -0800, Dan Parsons wrote:
>>> Lukas, just to confirm your findings, I have the exact same  
>>> problem and
>>> reported it about 2 months ago. Just like you, when all my stuff was
>>> running under 32-bit, it wasn't an issue because of the 2GB limit,  
>>> but
>>> now that I'm using 64-bit for everything, it is a potential system
>>> crashing bug.
>> Yes, it's the same, unfortunately, I have no response from the  
>> authors. So
>> nobody cares?
> Well somebody cares.  Us.  But I am new here and wondering how
> development on this project is funded. Is it all volunteer?
> Partially funded via commercial offerings?
> Is the project in a transitional state? Soon to go commercial?
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