Mailinglist Archive: opensuse (1239 mails)

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Re: [opensuse] Re: XFS and openSUSE 12.1
В Wed, 12 Jun 2013 12:21:14 +0200
Roger Oberholtzer <roger@xxxxxx> пишет:

This could be why the app goes away. But the lack of memory that causes
it is this damnable page cache for the file system...

No. If this were the case, it would be a bug. Cache does not cause lack
of memory.

Whether the cache size stops at some reasonable point or not is
perhaps a side issue. The question remains: why, as the cache
grows, do write calls periodically have longer and longer delays
(in the magnitude of seconds)?

It was not what you said in your original post. You said "every once in
a while the write takes 100x longer". This is very different from what
you say now.

If the cache is not causing this,
then why does freeing it with the workaround result in these delays
not happening?

Did you EVER try to tune dirty_* VM parameters?
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