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max_session_mem_used server variable

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This commit is contained in:
Sergei Golubchik
2016-12-12 01:01:56 +01:00
parent ab3388c3c4
commit 7e2f9d092d
9 changed files with 226 additions and 174 deletions
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6
sql/sql_class.cc
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@@ -906,8 +906,8 @@ THD::THD(bool is_wsrep_applier)
#endif
{
ulong tmp;
bzero(&variables, sizeof(variables));
mdl_context.init(this);
/*
We set THR_THD to temporally point to this THD to register all the
variables that allocates memory for this THD
@@ -916,8 +916,11 @@ THD::THD(bool is_wsrep_applier)
set_current_thd(this);
status_var.local_memory_used= sizeof(THD);
status_var.global_memory_used= 0;
variables.max_mem_used= global_system_variables.max_mem_used;
main_da.init();
mdl_context.init(this);
/*
Pass nominal parameters to init_alloc_root only to ensure that
the destructor works OK in case of an error. The main_mem_root
@@ -964,7 +967,6 @@ THD::THD(bool is_wsrep_applier)
connection_name.str= 0;
connection_name.length= 0;
bzero(&variables, sizeof(variables));
file_id = 0;
query_id= 0;
query_name_consts= 0;