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SubjectRe: reiserfs mount time

>>>brought to attentino on an irc channel, reiser seems to have the largest
>>>mount times for big partitions. I see this behavior on at least two
>>>machines (160G, 250G) and one specially-crafted virtual machine
>>>(a 1.9TB disk / 1.9TB partition - took somewhere over 120 seconds).
>>>Here's a dig http://linuxgazette.net/122/misc/piszcz/group001/image002.png
>>>from http://linuxgazette.net/122/TWDT.html#piszcz
>>>So, any hint from the reiserfs developers how come reiserfs takes so long?
>>>Standard mkreiserfs options (none extra passed).
>>
>> If I remember correctly, the problem is reiserfs loads bitmaps on mount
>> and that takes most of the time. Jeff Mahoney <jeffm@suse.com> has
>> patches fixing this but I think Hans rejected them because he wants only
>> bugfixes in reiser3...
>
>Yeah, that's the right analysis. ReiserFS caches bitmaps on mount and
>for large file systems it can take a quite a long time.

And quite some memory. But never mind, I already migrated by now.
(Not because of mount time, but other factors.)



Jan Engelhardt
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