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 <h.reindl@thelounge.net>:
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