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increase upper value of max_prepared_stmt_count to UINT32_MAX

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The upper 1M limit for max_prepared_stmt_count was set over 10 years
ago. It doesn't suite current hardware and a sysbench oltp_read_write
test with 512 threads will hit this limit.
This commit is contained in:
Daniel Black
2018-03-27 07:55:56 +11:00
committed by Sergey Vojtovich
parent 10f6b7001b
commit 8ffbb825e6
8 changed files with 21 additions and 21 deletions
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4
sql/sys_vars.cc
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@@ -1932,11 +1932,11 @@ static Sys_var_ulong Sys_max_long_data_size(
BLOCK_SIZE(1));
static PolyLock_mutex PLock_prepared_stmt_count(&LOCK_prepared_stmt_count);
static Sys_var_ulong Sys_max_prepared_stmt_count(
static Sys_var_uint Sys_max_prepared_stmt_count(
"max_prepared_stmt_count",
"Maximum number of prepared statements in the server",
GLOBAL_VAR(max_prepared_stmt_count), CMD_LINE(REQUIRED_ARG),
VALID_RANGE(0, 1024*1024), DEFAULT(16382), BLOCK_SIZE(1),
VALID_RANGE(0, UINT_MAX32), DEFAULT(16382), BLOCK_SIZE(1),
&PLock_prepared_stmt_count);
static Sys_var_ulong Sys_max_sort_length(