Ceph: release RAM used by TCMalloc

shan

Ceph release RAM used by TCMalloc

Quick tip to release the memory that tcmalloc has allocated but which is not being used by the Ceph daemon itself.

$ ceph tell osd.* heap release
osd.0: osd.0 releasing free RAM back to system.
osd.1: osd.1 releasing free RAM back to system.
osd.2: osd.2 releasing free RAM back to system.
osd.3: osd.3 releasing free RAM back to system.
osd.4: osd.4 releasing free RAM back to system.
osd.5: osd.5 releasing free RAM back to system.
osd.6: osd.6 releasing free RAM back to system.
osd.7: osd.7 releasing free RAM back to system.

Et voilà !