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標題の実行結果の見方について調べたのですが、結果の各行の内容を説明しているものが見つかりませんでした。
もし、標題の実行結果について説明しているサイトや書籍があれば、お教え頂けないでしょうか。
※参考にしたサイト
http://dev.mysql.com/doc/refman/5.6/en/show-engi …
http://staffblog.yumemi.jp/mysql-show-engine-inn …

出力結果
=====================================
150304 8:24:35 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 11 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 15253 1_second, 15253 sleeps, 1392 10_second, 1358 background, 1358 flush
srv_master_thread log flush and writes: 15272
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 2751, signal count 2750
Mutex spin waits 1332, rounds 39960, OS waits 1332
RW-shared spins 1419, rounds 42570, OS waits 1419
RW-excl spins 0, rounds 0, OS waits 0
Spin rounds per wait: 30.00 mutex, 30.00 RW-shared, 0.00 RW-excl
------------
TRANSACTIONS
------------
Trx id counter 23F0EA
Purge done for trx's n:o < 23F0E3 undo n:o < 0
History list length 1513
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 0, not started
MySQL thread id 3022, OS thread handle 0x7f1d46b9f700, query id 218103 localhost root
show engine innodb status
--------
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
731 OS file reads, 28619 OS file writes, 11544 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 276707, node heap has 5 buffer(s)
0.00 hash searches/s, 0.00 non-hash searches/s
---
LOG
---
Log sequence number 118470215
Log flushed up to 118470215
Last checkpoint at 118470215
0 pending log writes, 0 pending chkp writes
8358 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total memory allocated 137363456; in additional pool allocated 0
Dictionary memory allocated 161090
Buffer pool size 8192
Free buffers 7224
Database pages 963
Old database pages 375
Modified db pages 0
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 720, created 243, written 18604
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 963, 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. 8696, id 139763711444736, state: waiting for server activity
Number of rows inserted 31935, updated 4850, deleted 834, read 1867566
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------

A 回答 (1件)

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この回答へのお礼

ご回答頂きありがとうございます。

記載のURLを確認させていただきました。
公式のものですと、各セクションでどんな情報が出力されるのかが書かれているのを確認しました。

ただ、こちらの情報ですと、セクション内のどれが何の値なのかが良くわかりませんでした。
※Pending writes: LRU 0, flush list 0, single page 0とか何の値かよくわかっていないです

とりあえず、セクション名とその中の文言で検索して、どのような値なのか調べてみます。

お礼日時:2015/03/10 16:14

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