osd/PrimaryLogPG solve cache tier osd high memory consumption

during cache tier dirty data flushing, cache tier osd memroy consumption
will get increasing due to the accumulative pg log which will not be trimmed

Fixes: http://tracker.ceph.com/issues/20464
Signed-off-by: Peng Xie <peng.hse@xtaotech.com>

diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index 5fe6bb5bde1ebd818f0d52417d2edf3296b3d961..02f54a3bf0b7b35d5ce2ae6d80a86a7e0a1d2d8a 100644 (file)
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -9221,6 +9221,7 @@ void PrimaryLogPG::simple_opc_submit(OpContextUPtr ctx)
   dout(20) << __func__ << " " << repop << dendl;
   issue_repop(repop, ctx.get());
   eval_repop(repop);
+  calc_trim_to();
   repop->put();
 }