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6b423fe466
Let us remove the thread-local variable mariadb_stats and introduce trx_t::pages_accessed, trx_t::active_handler_stats for more efficiently maintaining some statistics inside InnoDB. buf_pool.stat.n_page_gets: Reimplemented as Atomic_counter<ulint>. This will no longer track some accesses in the background where !current_thd() || !thd_to_trx(current_thd). trx_t::free(), trx_t::commit_cleanup(): Apply pages_accessed to buf_pool.stat.n_page_gets. buf_read_ahead_report(): Report a completed read-ahead batch. ha_innobase::estimate_rows_upper_bound(): Do not bother updating trx_t::op_info around some quick arithmetics. ha_innobase::records_in_range(): Do invoke mariadb_set_stats. This will change some ANALYZE FORMAT=JSON SELECT results of the test main.rowid_filter_innodb. |
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