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  1. MariaDB Server
  2. MDEV-7964

delete_dynamic() takes 0.12% in OLTP RO

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.1
    • Fix Version/s: 10.1.5
    • Component/s: OTHER
    • Labels:
      None

      Description

      Call graphs:

      -   0.12%  mysqld  mysqld
         - delete_dynamic
            + 23.58% lex_end(LEX*)
            + 13.43% lock_table_names(THD*, DDL_options_st const&, TABLE_LIST*, TABLE_LIST*, unsigned long, unsigned int)
            + 13.25% st_select_lex::cleanup()
            + 8.29% QUICK_RANGE_SELECT::~QUICK_RANGE_SELECT()
            + 7.93% JOIN::destroy()
            + 7.93% THD::end_statement()
            + 5.14% delete_explain_query(LEX*)
            + 4.29% my_hash_free
            + 4.12% Explain_basic_join::~Explain_basic_join()
            + 3.66% Explain_query::~Explain_query()
            + 2.86% dispatch_command(enum_server_command, THD*, char*, unsigned int)
            + 2.67% Explain_table_access::~Explain_table_access()
            + 1.66% QUICK_RANGE_SELECT::~QUICK_RANGE_SELECT()
            + 1.20% Explain_select::replace_table(unsigned int, Explain_table_access*)
      

      Most time spent for function call convention. Good for inlining?

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              svoj Sergey Vojtovich added a comment -

              Sergei Golubchik, please review patch for this task.

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              svoj Sergey Vojtovich added a comment - Sergei Golubchik , please review patch for this task.

                People

                • Assignee:
                  svoj Sergey Vojtovich
                  Reporter:
                  svoj Sergey Vojtovich
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                  • Created:
                    Updated:
                    Resolved: