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Message #00169
Re: [Merge] lp:~percona-dev/percona-xtradb/pagehash-latchable into lp:~percona-dev/percona-xtradb/extensions-1.0
I will merge from main branch again.
and
If HAVE_GCC_ATOMIC_BUILTINS is not defined, this patch should cause terrible degrading of performance...
If remove innodb_rwlock_for_page_hash, we should add warning/error "HAVE_GCC_ATOMIC_BUILTINS is undefined" at build.
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https://code.launchpad.net/~percona-dev/percona-xtradb/pagehash-latchable/+merge/3035
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