Re: [Maria-discuss] Benchmark with jemalloc

18 Sep 2013

      well, recent is 3.4.0
however, the releas enotes are not really true
jemalloc not linked nor loaded

https://mariadb.com/kb/en/mariadb-5533-release-notes/
Other Notable Information
MariaDB is now built with jemalloc by default on Linux

[root@testserver:~]$ rpm -q --file /usr/libexec/mysqld
mariadb-server-5.5.33-6.fc19.20130917.rh.x86_64

[root@testserver:~]$ ldd /usr/libexec/mysqld
        linux-vdso.so.1 =>  (0x00007fff16c89000)
        libaio.so.1 => /lib64/libaio.so.1 (0x00007f8af9864000)
        libz.so.1 => /lib64/libz.so.1 (0x00007f8af964c000)
        libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f8af9414000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007f8af9210000)
        libssl.so.10 => /lib64/libssl.so.10 (0x00007f8af8fa8000)
        libcrypto.so.10 => /lib64/libcrypto.so.10 (0x00007f8af8bd6000)
        libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f8af88d2000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f8af85d0000)
        libgomp.so.1 => /lib64/libgomp.so.1 (0x00007f8af83c0000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f8af81a4000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f8af7de3000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f8afb1f5000)
        libfreebl3.so => /lib64/libfreebl3.so (0x00007f8af7b76000)
        libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f8af792d000)
        libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f8af764f000)
        libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f8af744a000)
        libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f8af7215000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f8af6fff000)
        libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f8af6df0000)
        libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f8af6bec000)
        libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f8af69d2000)
        libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f8af67ae000)
        libpcre.so.1 => /lib64/libpcre.so.1 (0x00007f8af654a000)

[root@testserver:~]$ rpm -qa | grep jemalloc
jemalloc-devel-3.4.0-1.fc19.x86_64
jemalloc-3.4.0-1.fc19.x86_64

[root@testserver:~]$ lsof | grep jemalloc
[root@testserver:~]$

Am 18.09.2013 17:54, schrieb Roberto Spadim:
...
hummm maybe at mariadb-5.5 release notes should explain about using
jemalloc-3.1.0 ? instead of 3.3.1? from what i read, this give a big
difference in server with many cores
2013/9/18 Reindl Harald :
...
Am 18.09.2013 17:40, schrieb Roberto Spadim:
...
Hi guys, there're benchmark with jemalloc and last malloc implemention?
the much more interesting question - how to build MariaDB with jemalloc
https://lists.launchpad.net/maria-developers/msg05425.html
does not really give an answer