-- Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. -- -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; version 2 of the License. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-- -- View: x$processlist -- -- A detailed non-blocking processlist view to replace -- [INFORMATION_SCHEMA. | SHOW FULL] PROCESSLIST -- -- mysql> select * from x$processlist where conn_id is not null\G -- *************************** 1. row *************************** -- thd_id: 23 -- conn_id: 4 -- user: msandbox@localhost -- db: test -- command: Query -- state: altering table -- time: 19 -- current_statement: alter table t1 add column j int -- statement_latency: 19466744276374 -- lock_latency: 539307000000 -- rows_examined: 0 -- rows_sent: 0 -- rows_affected: 0 -- tmp_tables: 0 -- tmp_disk_tables: 0 -- full_scan: NO -- last_statement: NULL -- last_statement_latency: NULL -- last_wait: wait/io/file/innodb/innodb_temp_file -- last_wait_latency: 63400681890 -- source: row0merge.cc:780 --
CREATEORREPLACE
ALGORITHM = TEMPTABLE
DEFINER = 'mariadb.sys'@'localhost' SQL SECURITY INVOKER
VIEW x$processlist (
thd_id,
conn_id,
user,
db,
command,
state,
time,
current_statement,
statement_latency,
lock_latency,
rows_examined,
rows_sent,
rows_affected,
tmp_tables,
tmp_disk_tables,
full_scan,
last_statement,
last_statement_latency,
last_wait,
last_wait_latency,
source
) AS SELECT pps.thread_id AS thd_id,
pps.processlist_id AS conn_id, IF(pps.name = 'thread/sql/one_connection',
CONCAT(pps.processlist_user, '@', pps.processlist_host), REPLACE(pps.name, 'thread/', '')) user,
pps.processlist_db AS db,
pps.processlist_command AS command,
pps.processlist_state AS state,
pps.processlist_time AS time,
pps.processlist_info AS current_statement, IF(esc.end_event_id ISNULL,
esc.timer_wait, NULL) AS statement_latency,
esc.lock_time AS lock_latency,
esc.rows_examined AS rows_examined,
esc.rows_sent AS rows_sent,
esc.rows_affected AS rows_affected,
esc.created_tmp_tables AS tmp_tables,
esc.created_tmp_disk_tables AS tmp_disk_tables, IF(esc.no_good_index_used > 0OR esc.no_index_used > 0, 'YES', 'NO') AS full_scan, IF(esc.end_event_id ISNOTNULL,
esc.sql_text, NULL) AS last_statement, IF(esc.end_event_id ISNOTNULL,
esc.timer_wait, NULL) AS last_statement_latency,
ewc.event_name AS last_wait, IF(ewc.end_event_id ISNULLAND ewc.event_name ISNOTNULL, 'Still Waiting',
ewc.timer_wait) last_wait_latency,
ewc.source FROM performance_schema.threads AS pps LEFTJOIN performance_schema.events_waits_current AS ewc USING (thread_id) LEFTJOIN performance_schema.events_statements_current as esc USING (thread_id) ORDERBY pps.processlist_time DESC, last_wait_latency DESC;
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-12)
¤
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