common/options: Set concurrent bluestore rocksdb compactions to 2

Signed-off-by: Mark Nelson <mnelson@redhat.com>

diff --git a/src/common/options.cc b/src/common/options.cc
index 47cf024462d859f0e1024b9c6887712f0bff28dc..ba68dcd9cba6901c29a68132f8b6926112262aa6 100644 (file)
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -4628,7 +4628,7 @@ std::vector<Option> get_global_options() {
     .set_description("Max transactions with deferred writes that can accumulate before we force flush deferred writes"),
 
     Option("bluestore_rocksdb_options", Option::TYPE_STR, Option::LEVEL_ADVANCED)
-    .set_default("compression=kNoCompression,max_write_buffer_number=4,min_write_buffer_number_to_merge=1,recycle_log_file_num=4,write_buffer_size=268435456,writable_file_max_buffer_size=0,compaction_readahead_size=2097152")
+    .set_default("compression=kNoCompression,max_write_buffer_number=4,min_write_buffer_number_to_merge=1,recycle_log_file_num=4,write_buffer_size=268435456,writable_file_max_buffer_size=0,compaction_readahead_size=2097152,max_background_compactions=2")
     .set_description("Rocksdb options"),
 
     Option("bluestore_rocksdb_cf", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)