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Tcmalloc
========
'tcmalloc' is a library Google created as part of the google-perftools
suite for improving memory handling in a threaded program. It's very
simple to use and does work fine with Suricata. It leads to minor
speed ups and also reduces memory usage quite a bit.
Installation
~~~~~~~~~~~~
On Ubuntu, install the libtcmalloc-minimal4 package:
::
apt-get install libtcmalloc-minimal4
On Fedora, install the gperftools-libs package:
::
yum install gperftools-libs
Usage
~~~~~
Use the tcmalloc by preloading it:
Ubuntu:
::
LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4" suricata -c suricata.yaml -i eth0
Fedora:
::
LD_PRELOAD="/usr/lib64/libtcmalloc_minimal.so.4" suricata -c suricata.yaml -i eth0
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