mds: bump mds_log_max_segments for trim buffer

Under create heavy workloads, the MDS will sometimes get behind trimming but
catch up. This avoids unnecessary warnings.

Fixes: http://tracker.ceph.com/issues/23560
Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit 86e76d15f3b3c06e96d7b27bb01d5840d311cf5d)

Conflicts:
    src/common/options.cc

diff --git a/src/common/options.cc b/src/common/options.cc
index 1c0d1cd5b1869c437d4413943f494a864514c5a4..db7b6378b65cee2b287bf1b314e1c55a368fe7a3 100644 (file)
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -6021,7 +6021,7 @@ std::vector<Option> get_mds_options() {
     .set_description(""),
 
     Option("mds_log_max_segments", Option::TYPE_UINT, Option::LEVEL_ADVANCED)
-    .set_default(30)
+    .set_default(128)
     .set_description(""),
 
     Option("mds_bal_export_pin", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)