[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: Transcript of chat between me and Sleeepycat

From: Brandon Ehle <azverkan_at_yahoo.com>
Date: 2003-02-21 03:37:15 CET

>
>
>>
>>
>>>The more complex question is whether we need to be creating BDB
>>>transactions as often as we do, or whether we can get away with
>>>locking -- or nothing at all -- under some circumstances.
>>>
>>>
>>>
>>Yup. Except that "nothing at all" is likely to cause quite a few
>>headaches. :-)
>>
> If memory serves, the problem with BDB transactions is that they do
> filesystem locks. Is this correct?
> So any "better" locking would most likely be memory based right?
>
> Also, has anyone just commented out both of the txn_checkpoint calls
> in the FS code and compared the results?
>
> Thanks,
> gat

Yeah, it's not too different from just running checkpoint() less often.
Even with txn_checkpoint() disabled you can run into timeouts when too
many people are hammering the server at once.

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@subversion.tigris.org
For additional commands, e-mail: dev-help@subversion.tigris.org
Received on Fri Feb 21 00:28:43 2003

This is an archived mail posted to the Subversion Dev mailing list.