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4 changes: 2 additions & 2 deletions docs/usage/administration/admin_faq.md
Original file line number Diff line number Diff line change
Expand Up @@ -250,10 +250,10 @@ Using [libjemalloc](https://jemalloc.net) can also yield a significant
improvement in overall memory use, and especially in terms of giving back
RAM to the OS. To use it, the library must simply be put in the
LD_PRELOAD environment variable when launching Synapse. On Debian, this
can be done by installing the `libjemalloc1` package and adding this
can be done by installing the `libjemalloc2` package and adding this
line to `/etc/default/matrix-synapse`:

LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1
LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.2

This made a significant difference on Python 2.7 - it's unclear how
much of an improvement it provides on Python 3.x.
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