maria-discuss team mailing list archive

[Prasad Rallapalli <rallapalli@xxxxxxxxx>]

I did install jemalloc and jemalloc-devel, verified ldconfig also to ensure
that it lists libjemalloc.so, but I still see the same error after removing
CMakeCache.txt and doing the cmake.

On Fri, Nov 3, 2017 at 9:22 AM Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote:

>
>
> Am 03.11.2017 um 16:54 schrieb Prasad Rallapalli:
> > I am trying to build 10.1.26 from mariadb sources and compare the
> > performance with the release binary for the same query on the same
> > database.
> >
> > cmake using -DBUILD_CONFIG=mysql_release resulted in a  "jemalloc not
> > found" error.  So, I did a cmake without any parameters and the build
> > was successful.
> >
> > The binary which i built has a performance drop of 20-30% for the
> > queries, compared to that of the released binary, for the same queries.
> >
> > I compared both the mysqld binaries. The release binary seems to be
> > accessing jemalloc functions and the mysqld binary which i built do not
> > have these functions.
> >
> > I am building this on Centos 6.8.
> >
> > Any help or pointers will be appreciated
>
> "jemalloc not found" should be pretty clear
>
> install "jemalloc-devel" or "jemalloc-dev" depending on your OS
>
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