From: Sage Weil <sage@redhat.com>
Date: Mon, 29 Apr 2019 21:27:58 +0000 (-0500)
Subject: mgr/DaemonServer: Fix pgp_num throttling min
X-Git-Tag: v14.2.2~173^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=c2ca160b5faed75a0e18e43be53d6e81ad67a0f2;p=ceph.git

mgr/DaemonServer: Fix pgp_num throttling min

This was meant to limit the size of any single change to 1/2 of the
max_misplaced (see the comment above!).

Signed-off-by: Sage Weil <sage@redhat.com>
(cherry picked from commit a0d63c1a1fc673f094bb309635e98ab4c11354e9)
---

diff --git a/src/mgr/DaemonServer.cc b/src/mgr/DaemonServer.cc
index b733668ccbd..7b16a1ffdaa 100644
--- a/src/mgr/DaemonServer.cc
+++ b/src/mgr/DaemonServer.cc
@@ -2594,7 +2594,7 @@ void DaemonServer::adjust_pgs()
 	    } else {
 	      double room =
 		std::min<double>(max_misplaced - misplaced_ratio,
-				 misplaced_ratio / 2.0);
+				 max_misplaced / 2.0);
 	      unsigned estmax = std::max<unsigned>(
 		(double)p.get_pg_num() * room, 1u);
 	      int delta = target - p.get_pgp_num();