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-rw-r--r--sql/sys_vars.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc
index 42e44b4706d..4c0aeef9c06 100644
--- a/sql/sys_vars.cc
+++ b/sql/sys_vars.cc
@@ -1331,6 +1331,12 @@ static Sys_var_ulong Sys_metadata_locks_cache_size(
VALID_RANGE(1, 1024*1024), DEFAULT(MDL_LOCKS_CACHE_SIZE_DEFAULT),
BLOCK_SIZE(1));
+static Sys_var_ulong Sys_metadata_locks_hash_instances(
+ "metadata_locks_hash_instances", "Number of metadata locks hash instances",
+ READ_ONLY GLOBAL_VAR(mdl_locks_hash_partitions), CMD_LINE(REQUIRED_ARG),
+ VALID_RANGE(1, 1024), DEFAULT(MDL_LOCKS_HASH_PARTITIONS_DEFAULT),
+ BLOCK_SIZE(1));
+
/*
"pseudo_thread_id" variable used in the test suite to detect 32/64bit
systems. If you change it to something else then ulong then fix the tests