ceph/etc/default/ceph

   1 # /etc/default/ceph
   2 #
   3 # Environment file for ceph daemon systemd unit files.
   4 #
   5
   6 # Increase tcmalloc cache size
   7 TCMALLOC_MAX_TOTAL_THREAD_CACHE_BYTES=134217728
   8
   9 ## use jemalloc instead of tcmalloc
  10 #
  11 # jemalloc is generally faster for small IO workloads and when
  12 # ceph-osd is backed by SSDs.  However, memory usage is usually
  13 # higher by 200-300mb.
  14 #
  15 #LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1