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List: unison-users
Subject: Re: [unison-users] Unicode support status?
From: Benjamin Pierce <bcpierce () cis ! upenn ! edu>
Date: 2009-12-21 15:18:04
Message-ID: E79087D4-9014-476A-A971-497F9E20CEFD () cis ! upenn ! edu
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> I ask for a sync between Ubuntu server (the source) and Mac OS X
> client
> (the destination) and there are large numbers of files to commit --
> sometime 20,000+. Some directories can have 1000+ files, e.g.
> Fortress
> Subversion checkout. This seems to trigger an inability to do a sync.
> Too many open files is the error message. By trimming the commit
> manually to avoid the directories with >500 files and keeping the
> total
> number of files to be processed <5,000 I get a sync. But this can
> take
> 5 or 6 rounds of work, by which time I am getting grumpy (more grumpy
> than usual :-)
>
> There are no problems with syncs over twice this size where Ubuntu is
> the client (destination) for the sync.
Are you saying that the problem is sensitive to which side is running
as client and which as server, even if the flow of all the transfers
is the same direction in both cases?
> I am currently away from my MacBook just now so I cannot prepare a
> proper error report. If you point me at the bug reporting system, I
> am
> almost certain I can prepare a more complete report.
The bug reporting system is this mailing list.
> If this problem has an easy solution, it would help me tremendously.
One simple thing to try is setting maxthreads to 1. I'd be interested
to see whether this helps. (I'm having trouble imagining what could
be resulting in many files getting opened at the same time.)
Best,
- Benjamin
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<p>> I ask for a sync between Ubuntu server (the source) and Mac OS X <br>
> client<br>
> (the destination) and there are large numbers of files to commit --<br>
> sometime 20,000+. Some directories can have 1000+ files, e.g. <br>
> Fortress<br>
> Subversion checkout. This seems to trigger an inability to do a sync.<br>
> Too many open files is the error message. By trimming the commit<br>
> manually to avoid the directories with >500 files and keeping the <br>
> total<br>
> number of files to be processed <5,000 I get a sync. But this can <br>
> take<br>
> 5 or 6 rounds of work, by which time I am getting grumpy (more grumpy<br>
> than usual :-)<br>
><br>
> There are no problems with syncs over twice this size where Ubuntu is<br>
> the client (destination) for the sync.<br>
<br>
Are you saying that the problem is sensitive to which side is running <br>
as client and which as server, even if the flow of all the transfers <br>
is the same direction in both cases?<br>
<br>
> I am currently away from my MacBook just now so I cannot prepare a<br>
> proper error report. If you point me at the bug reporting system, I <br>
> am<br>
> almost certain I can prepare a more complete report.<br>
<br>
The bug reporting system is this mailing list.<br>
<br>
> If this problem has an easy solution, it would help me tremendously.<br>
<br>
One simple thing to try is setting maxthreads to 1. I'd be interested <br>
to see whether this helps. (I'm having trouble imagining what could <br>
be resulting in many files getting opened at the same time.)<br>
<br>
Best,<br>
<br>
- Benjamin<br>
<br>
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