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sysmon結果如下,現在狀況是系統中有一個表保存的時候很慢,要1-2分鐘,其他的表都很正常,大家幫我分析一下看要如何優化
Server Version: Adaptive Server Enterprise/12.0/P/NT (IX86)/OS 4.0/1576/
Server Name: Server is Unnamed
Run Date: May 22, 2006
Statistics Cleared at: 09:11:34
Statistics Sampled at: 09:21:34
Sample Interval: 00:10:00
===============================================================================
Kernel Utilization
------------------
Engine Busy Utilization
Engine 0 62.3 %
CPU Yields by Engine per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Engine 0 11.9 60.5 7140 100.0 %
Network Checks
Total Network I/O Checks 0.0 0.0 0 n/a
Disk I/O Checks
Total Disk I/O Checks 66586.7 338576.3 39952002 n/a
Checks Returning I/O 64582.8 328387.1 38749681 97.0 %
Avg Disk I/Os Returned n/a n/a 0.00429 n/a
===============================================================================
Worker Process Management
-------------------------
per sec per xact count % of total
------------ ------------ ---------- ----------
Worker Process Requests
Total Requests 0.0 0.0 0 n/a
Worker Process Usage
Total Used 0.0 0.0 0 n/a
Max Ever Used During Sample 0.0 0.0 0 n/a
Memory Requests for Worker Processes
Total Requests 0.0 0.0 0 n/a
===============================================================================
Parallel Query Management
-------------------------
Parallel Query Usage per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Total Parallel Queries 0.0 0.0 0 n/a
Merge Lock Requests per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Total # of Requests 0.0 0.0 0 n/a
Sort Buffer Waits per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Total # of Waits 0.0 0.0 0 n/a
===============================================================================
Task Management per sec per xact count % of total
--------------------------- ------------ ------------ ---------- ----------
Connections Opened 0.1 0.3 38 n/a
Task Context Switches by Engine
Engine 0 337.9 1718.1 202732 100.0 %
Task Context Switches Due To:
Voluntary Yields 0.7 3.5 416 0.2 %
Cache Search Misses 264.3 1344.0 158591 78.2 %
System Disk Writes 0.0 0.2 29 0.0 %
I/O Pacing 0.1 0.7 86 0.0 %
Logical Lock Contention 0.0 0.0 0 0.0 %
Address Lock Contention 0.0 0.0 0 0.0 %
Latch Contention 0.0 0.0 0 0.0 %
Log Semaphore Contention 0.0 0.0 0 0.0 %
PLC Lock Contention 0.0 0.0 0 0.0 %
Group Commit Sleeps 0.0 0.0 1 0.0 %
Last Log Page Writes 0.3 1.4 171 0.1 %
Modify Conflicts 0.0 0.0 0 0.0 %
I/O Device Contention 0.0 0.0 0 0.0 %
Network Packet Received 6.6 33.6 3967 2.0 %
Network Packet Sent 54.7 278.0 32800 16.2 %
Other Causes 11.1 56.5 6671 3.3 %
===============================================================================
Application Management
----------------------
Application Statistics Summary (All Applications)
-------------------------------------------------
Priority Changes per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
To High Priority 0.0 0.0 0 0.0 %
To Medium Priority 0.8 3.9 459 52.2 %
To Low Priority 0.7 3.6 421 47.8 %
------------------------- ------------ ------------ ----------
Total Priority Changes 1.5 7.5 880
Allotted Slices Exhausted per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
High Priority 0.0 0.0 0 0.0 %
Medium Priority 0.4 2.1 250 100.0 %
Low Priority 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ----------
Total Slices Exhausted 0.4 2.1 250
Skipped Tasks By Engine per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Total Engine Skips 0.0 0.0 0 n/a
Engine Scope Changes 0.0 0.0 0 n/a
===============================================================================
ESP Management per sec per xact count % of total
--------------------------- ------------ ------------ ---------- ----------
ESP Requests 0.0 0.0 0 n/a
===============================================================================
Housekeeper Task Activity
-------------------------
per sec per xact count % of total
------------ ------------ ----------
Garbage Collections 0.3 1.7 200 n/a
Pages Processed in GC 0.0 0.0 0 n/a
Statistics Updates 0.3 1.7 200 n/a
===============================================================================
Monitor Access to Executing SQL
-------------------------------
per sec per xact count % of total
------------ ------------ ---------- ----------
Waits on Execution Plans 0.0 0.0 0 n/a
Number of SQL Text Overflows 0.0 0.0 0 n/a
Maximum SQL Text Requested n/a n/a 0 n/a
(since beginning of sample)
===============================================================================
[ 本帖最后由 hejiajun 于 2006-5-22 14:17 编辑 ] |
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