The post Configuring innodb_force_recovery to troubleshoot InnoDB page corruption appeared first on The WebScale Database Infrastructure Operations Experts.
]]>How innodb_force_recovery values (InnoDB recovery mode) influence MySQL operations
The post Configuring innodb_force_recovery to troubleshoot InnoDB page corruption appeared first on The WebScale Database Infrastructure Operations Experts.
]]>The post SHOW ENGINE INNODB STATUS walk through appeared first on The WebScale Database Infrastructure Operations Experts.
]]>Please confirm data is sampled not for 0 or 1 seconds, Anything above 10 seconds helps
mysql> show engine innodb status\G; *************************** 1. row *************************** Type: InnoDB Name: Status: ===================================== 180105 22:39:35 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 17 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 11 1_second, 10 sleeps, 0 10_second, 3 background, 3 flush srv_master_thread log flush and writes: 10 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 4457, signal count 1072 Mutex spin waits 4670, rounds 140100, OS waits 1494 RW-shared spins 2090, rounds 62850, OS waits 1169 RW-excl spins 1735, rounds 53820, OS waits 948 Spin rounds per wait: 30.00 mutex, 30.07 RW-shared, 31.02 RW-excl ------------ TRANSACTIONS ------------ Trx id counter 8D121 Purge done for trx's n:o < 862C4 undo n:o < 0 History list length 667 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 0, not started MySQL thread id 3, OS thread handle 0x7f965a163700, query id 25591 localhost root show engine innodb status ---TRANSACTION 8D102, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1855, OS thread handle 0x7f9656b61700, query id 25560 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D10B, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1848, OS thread handle 0x7f9656eae700, query id 25569 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D116, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1806, OS thread handle 0x7f96570f7700, query id 25580 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D108, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1816, OS thread handle 0x7f9659fdd700, query id 25566 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D110, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1807, OS thread handle 0x7f9656ff3700, query id 25574 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D111, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1833, OS thread handle 0x7f9656c65700, query id 25575 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0EB, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1815, OS thread handle 0x7f9656e6d700, query id 25537 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D104, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1852, OS thread handle 0x7f9656f30700, query id 25562 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0FB, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1808, OS thread handle 0x7f9656ce7700, query id 25553 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D11E, not started MySQL thread id 1846, OS thread handle 0x7f9656a5d700, query id 25588 localhost root ---TRANSACTION 8D0E7, not started MySQL thread id 1825, OS thread handle 0x7f9656fb2700, query id 25533 localhost root ---TRANSACTION 8D101, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1823, OS thread handle 0x7f9656a9e700, query id 25559 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D106, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1824, OS thread handle 0x7f9657444700, query id 25564 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0F6, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1812, OS thread handle 0x7f9657403700, query id 25548 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0F3, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1810, OS thread handle 0x7f96569db700, query id 25545 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0F1, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1842, OS thread handle 0x7f9657340700, query id 25543 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0F0, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1851, OS thread handle 0x7f96571ba700, query id 25542 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D10F, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1811, OS thread handle 0x7f9656ca6700, query id 25573 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D107, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1818, OS thread handle 0x7f9656d69700, query id 25565 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0F7, not started MySQL thread id 1817, OS thread handle 0x7f965723c700, query id 25549 localhost root ---TRANSACTION 8D0FC, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1834, OS thread handle 0x7f9656a1c700, query id 25554 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0FA, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1841, OS thread handle 0x7f96573c2700, query id 25552 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0EA, not started MySQL thread id 1850, OS thread handle 0x7f96572be700, query id 25536 localhost root ---TRANSACTION 8D109, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1822, OS thread handle 0x7f9657075700, query id 25567 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D105, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1827, OS thread handle 0x7f965a01e700, query id 25563 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D11D, not started MySQL thread id 1809, OS thread handle 0x7f9657179700, query id 25587 localhost root ---TRANSACTION 8D100, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1839, OS thread handle 0x7f9656ba2700, query id 25558 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D10C, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1837, OS thread handle 0x7f96571fb700, query id 25570 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0F4, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1819, OS thread handle 0x7f9657485700, query id 25546 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0FE, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1835, OS thread handle 0x7f9657507700, query id 25556 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0E4, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1826, OS thread handle 0x7f9656f71700, query id 25530 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D120, not started MySQL thread id 1843, OS thread handle 0x7f965a05f700, query id 25590 localhost root ---TRANSACTION 8D0E6, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1820, OS thread handle 0x7f9656adf700, query id 25532 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D11F, not started MySQL thread id 1836, OS thread handle 0x7f9656daa700, query id 25589 localhost root ---TRANSACTION 8D0FD, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1844, OS thread handle 0x7f9656d28700, query id 25555 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0FF, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1828, OS thread handle 0x7f965727d700, query id 25557 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D10A, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1831, OS thread handle 0x7f96572ff700, query id 25568 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D11A, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1853, OS thread handle 0x7f9657381700, query id 25584 localhost root query end INSERT INTO t1 VALUES (1759592334,'3lkoxjtvgLu5xKHSTTtJuGE5F5QqmCcppCTmvFZScRZQgim93gSxwb24gKmIPEzEQStMjQiCu7WapGbkw4ilXch3xRLMhKSzgLDOovSi2qGj6rKvnuYAWDDJgaZDu2') ---TRANSACTION 8D0E9, not started MySQL thread id 1854, OS thread handle 0x7f9657138700, query id 25535 localhost root ---TRANSACTION 8D0F5, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1813, OS thread handle 0x7f9656b20700, query id 25547 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D0ED, not started MySQL thread id 1829, OS thread handle 0x7f96574c6700, query id 25539 localhost root ---TRANSACTION 8D10D, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1821, OS thread handle 0x7f96570b6700, query id 25571 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D103, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1832, OS thread handle 0x7f9656eef700, query id 25561 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D11B, not started MySQL thread id 1830, OS thread handle 0x7f9656deb700, query id 25585 localhost root ---TRANSACTION 8D0F9, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1849, OS thread handle 0x7f965a0a0700, query id 25551 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D11C, not started MySQL thread id 1838, OS thread handle 0x7f965a0e1700, query id 25586 localhost root ---TRANSACTION 8D0EC, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1847, OS thread handle 0x7f9657034700, query id 25538 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D10E, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1814, OS thread handle 0x7f9656be3700, query id 25572 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D115, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1845, OS thread handle 0x7f9656c24700, query id 25579 localhost root query end INSERT INTO t1 VALUES (73673339,'BN3152Gza4GW7atxJKACYwJqDbFynLxqc0kh30YTwgz3FktQ43XTrqJ4PQ25frn7kXhfXD8RuzN1j8Rf3y8ugKy6es3IbqPJM6ylCyD6xS7YcQCfHKZxYNvB7yTahm') ---TRANSACTION 8D119, not started flushing log mysql tables in use 1, locked 1 MySQL thread id 1840, OS thread handle 0x7f9656e2c700, query id 25583 localhost root query end INSERT INTO t1 VALUES (1759592334,'3lkoxjtvgLu5xKHSTTtJuGE5F5QqmCcppCTmvFZScRZQgim93gSxwb24gKmIPEzEQStMjQiCu7WapGbkw4ilXch3xRLMhKSzgLDOovSi2qGj6rKvnuYAWDDJgaZDu2') ---TRANSACTION 8D080, not started MySQL thread id 5, OS thread handle 0x7f965a122700, query id 25430 localhost root -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: 0 [0, 0, 0, 0] , aio writes: 0 [0, 0, 0, 0] , ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0 Pending flushes (fsync) log: 0; buffer pool: 0 1491 OS file reads, 4495 OS file writes, 4410 OS fsyncs 0.06 reads/s, 16384 avg bytes/read, 263.98 writes/s, 258.98 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 276671, node heap has 1 buffer(s) 280.57 hash searches/s, 652.61 non-hash searches/s --- LOG --- Log sequence number 561353275 Log flushed up to 561352811 Last checkpoint at 556826545 0 pending log writes, 0 pending chkp writes 4396 log i/o's done, 257.98 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total memory allocated 137363456; in additional pool allocated 0 Dictionary memory allocated 75535 Buffer pool size 8191 Free buffers 6699 Database pages 1491 Old database pages 566 Modified db pages 256 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 0, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1480, created 11, written 94 0.06 reads/s, 0.65 creates/s, 5.47 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1491, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB Main thread process no. 1430, id 140283695105792, state: sleeping Number of rows inserted 14565, updated 0, deleted 0, read 2595539 856.71 inserts/s, 0.00 updates/s, 0.00 deletes/s, 135022.35 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ 1 row in set (0.00 sec) ERROR: No query specified
The post SHOW ENGINE INNODB STATUS walk through appeared first on The WebScale Database Infrastructure Operations Experts.
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