percona-discussion team mailing list archive

[Vadim Tkachenko <vadim@xxxxxxxxxxx>]

Both  should be possible :)


Baron Schwartz wrote:
> Can we make it possible to resize the buffer pool online, without
> emptying it?  For customers with O_DIRECT and a large buffer pool,
> taking the server down for a restart in order to increase the buffer
> pool is really bad.  This is only going to be more important as large
> amounts of memory gets more common.
> 
> If it's hard to do arbitrary resize, but easier to just increase the
> size, that's fine -- I think it'll be relatively rare to decrease it.
> 
> My other request would be to be able to restore the buffer pool
> contents and LRU list after restart, naturally :)
> 
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Vadim Tkachenko, CTO
Percona Inc.
ICQ: 369-510-335, Skype: vadimtk153, Phone +1-888-401-3403
MySQL Performance Blog - http://www.mysqlperformanceblog.com
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