Cyrus Deadblocking

[Scott Likens]

Hi Teresa,

I've been running Cyrus 2.3.13 successfully on Gentoo (amd64/x86_64)  
for quite some time without any issues.

It's currently linked against bdb 4.6, however I use skiplist for all  
my databases as I found overall that is much cleaner in the long run.

However, I can honestly say I have never run into your issue with  
cyrus starting to hang like that.  However, you want to ensure that  
both cyrus-sasl and imapd are linked to the same version of bdb,  
otherwise there's issues.

... So far the point of this email is pretty pointless, but I wanted  
to say that switching "distributions" is not ever an acceptable  
question/answer.

Having more detail from /var/log/messages would be very helpful as  
cyrus does tend to send debug information to syslog when it's  
crashing, so we can get more detail of why.

Scott


On Dec 26, 2008, at 4:06 AM, Teresa wrote:

> Adam Tauno Williams wrote:
>> Why?  If so it makes more sense to convert your databases to skiplist
>> and see if that helps than to flop library versions.
>>
> Problem looks to be localized. After switching deliver.db to skiplist
> format it looks to run more stable (not sure yet, have to wait some  
> time).
> More about what did found i will write later after i am 100% sure
> problem is identified.
>
> One thing i noticed over all this days, if i completely wipe  
> deliver.db
> it takes longer to make cyrus processes hang again than just only
> restart cyrus.
>
>> Maddly flipping versions seems a poor diagnostic method (if it even
>> qualifies as a diagnostic method).
>>
> In some special way, you have right. But as example cyrus-sasl crash  
> if
> it is compiled against 4.3.x versions of Berkeley DB.
> And works great with 4.5, 4.6 and 4.7
> So sometimes trying deifferent version gives some result too.
>
>> The best approach is to switch to a distribution
> 1) not acceptable
> 2) you dont believe realy self what you wrote here, didnt you ?
>
> -- 
> Teresa
> ----
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