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锁定老帖子 主题：Mysqlreport性能分析报告
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发表时间：2013-01-05
最后修改：2013-01-05
如下是我优化得出的结果报告，是否存在较大的问题。请大家指教。
谢谢。
__ Key _________________________________________________________________
Buffer used 12.31M of 155.00M %Used: 7.94
Current 20.01M %Usage: 12.91
Write hit 100.00%
Read hit 100.00%
__ Questions ___________________________________________________________
Total 8.81M 77.5/s
-Unknown 38.46M 338.7/s %Total: 436.80
Com_ 36.28M 319.5/s 412.00
DMS 10.66M 93.9/s 121.07
QC Hits 325.22k 2.9/s 3.69
COM_QUIT 3.92k 0.0/s 0.04
Slow 5 s 629 0.0/s 0.01 %DMS: 0.01 Log: ON
DMS 10.66M 93.9/s 121.07
SELECT 6.05M 53.3/s 68.72 56.76
INSERT 4.06M 35.8/s 46.16 38.13
UPDATE 539.15k 4.7/s 6.12 5.06
DELETE 5.54k 0.0/s 0.06 0.05
REPLACE 0 0/s 0.00 0.00
Com_ 36.28M 319.5/s 412.00
set_option 35.81M 315.4/s 406.67
commit 334.20k 2.9/s 3.80
show_fields 89.78k 0.8/s 1.02
__ SELECT and Sort _____________________________________________________
Scan 148.09k 1.3/s %SELECT: 2.45
Range 13.47k 0.1/s 0.22
Full join 38 0.0/s 0.00
Range check 0 0/s 0.00
Full rng join 0 0/s 0.00
Sort scan 5.82k 0.1/s
Sort range 188 0.0/s
Sort mrg pass 2.07k 0.0/s
__ Query Cache _________________________________________________________
Memory usage 3.23M of 99.00M %Used: 3.26
Block Fragmnt 9.98%
Hits 325.22k 2.9/s
Inserts 948.09k 8.3/s
Insrt:Prune 948.09k:1 8.3/s
Hit:Insert 0.34:1
__ Table Locks _________________________________________________________
Waited 34 0.0/s %Total: 0.00
Immediate 2.22M 19.6/s
__ Tables ______________________________________________________________
Open 36 of 320 %Cache: 11.25
Opened 11.40k 0.1/s
__ Connections _________________________________________________________
Max used 52 of 1500 %Max: 3.47
Total 4.48k 0.0/s
__ Created Temp ________________________________________________________
Disk table 91.95k 0.8/s
Table 124.94k 1.1/s Size: 103.0M
File 2.22k 0.0/s
__ Threads _____________________________________________________________
Running 11 of 36
Cached 1 of 8 %Hit: 97.41
Created 116 0.0/s
Slow 0 0/s
__ Aborted _____________________________________________________________
Clients 1.12k 0.0/s
Connects 0 0/s
__ Bytes _______________________________________________________________
Sent 13.75G 121.1k/s
Received 533.48M 4.7k/s
__ InnoDB Buffer Pool __________________________________________________
Usage 1.00G of 1.00G %Used: 100.00
Read hit 99.32%
Pages
Free 0 %Total: 0.00
Data 62.82k 95.86 %Drty: 0.98
Misc 2716 4.14
Latched 0.00
Reads 590.09M 5.2k/s
From file 4.03M 35.5/s 0.68
Ahead Rnd 0/s
Ahead Sql 0/s
Writes 167.67M 1.5k/s
Flushes 3.61M 31.8/s
Wait Free 0 0/s
__ InnoDB Lock _________________________________________________________
Waits 391 0.0/s
Current 7
Time acquiring
Total 86948826 ms
Average 222375 ms
Max 4282062 ms
__ InnoDB Data, Pages, Rows ____________________________________________
Data
Reads 5.06M 44.6/s
Writes 3.17M 27.9/s
fsync 122.56k 1.1/s
Pending
Reads 0
Writes 0
fsync 0
Pages
Created 174.77k 1.5/s
Read 5.06M 44.6/s
Written 1.80M 15.9/s
Rows
Deleted 7.42M 65.3/s
Inserted 21.75M 191.5/s
Read 575.04M 5.1k/s
Updated 583.08k 5.1/s
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