From: Sage Weil <sage@redhat.com>
Date: Tue, 30 May 2017 17:54:16 +0000 (-0400)
Subject: crush: set default tunables to jewel
X-Git-Tag: v12.1.0~330^2~3
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=a69a8966d0356842d2b828e61f565fc7a76003fb;p=ceph-ci.git

crush: set default tunables to jewel

For new clusters.

This is the last "disruptive" tunable change we've made (where adjusting/
fixing it requires lots of data movement).  For new clusters a lower bound
of jewel seems pretty reasonable, and this has been upstream in Linux
for a while now.

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/crush/CrushWrapper.h b/src/crush/CrushWrapper.h
index 41e4de3a881..baf5ceba13f 100644
--- a/src/crush/CrushWrapper.h
+++ b/src/crush/CrushWrapper.h
@@ -169,7 +169,7 @@ public:
     crush->straw_calc_version = 1;
   }
   void set_tunables_default() {
-    set_tunables_hammer();
+    set_tunables_jewel();
     crush->straw_calc_version = 1;
   }