- 论坛徽章:
- 0
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Task Management per sec per xact count % of total
--------------------------- ------------ ------------ ---------- ----------
Connections Opened 0.1 0.0 17 n/a
Task Context Switches by Engine
Engine 0 67.6 22.9 12172 66.6 %
Engine 1 33.9 11.5 6096 33.4 %
------------------------- ------------ ------------ ----------
Total Task Switches: 101.5 34.3 18268
Task Context Switches Due To:
Voluntary Yields 11.6 3.9 2086 11.4 %
Cache Search Misses 0.9 0.3 167 0.9 %
System Disk Writes 0.3 0.1 55 0.3 %
I/O Pacing 0.3 0.1 48 0.3 %
Logical Lock Contention 0.0 0.0 4 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 1 0.0 %
PLC Lock Contention 0.0 0.0 0 0.0 %
Group Commit Sleeps 0.0 0.0 4 0.0 %
Last Log Page Writes 3.1 1.1 564 3.1 %
Modify Conflicts 0.0 0.0 4 0.0 %
I/O Device Contention 0.0 0.0 0 0.0 %
Network Packet Received 42.1 14.2 7578 41.5 %
Network Packet Sent 44.2 15.0 7963 43.6 %
Other Causes -1.1 -0.4 -206 -1.1 %
===============================================================================
Application Management
----------------------
Application Statistics Summary (All Applications)
-------------------------------------------------
Priority Changes per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
To High Priority 0.1 0.0 10 3.4 %
To Medium Priority 0.9 0.3 154 52.9 %
To Low Priority 0.7 0.2 127 43.6 %
------------------------- ------------ ------------ ----------
Total Priority Changes 1.6 0.5 291
Allotted Slices Exhausted per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
High Priority 0.0 0.0 0 0.0 %
Medium Priority 6.6 2.2 1185 100.0 %
Low Priority 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ----------
Total Slices Exhausted 6.6 2.2 1185
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
------------ ------------ ----------
Buffer Cache Washes
Clean 12.0 4.0 2154 96.6 %
Dirty 0.4 0.1 76 3.4 %
------------ ------------ ----------
Total Washes 12.4 4.2 2230
Garbage Collections 0.4 0.1 68 n/a
Pages Processed in GC 0.0 0.0 0 n/a
Statistics Updates 0.3 0.1 48 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 0.5 0.2 98 n/a
Maximum SQL Text Requested n/a n/a 734 n/a
(since beginning of sample)
Tuning Recommendations for Monitor Access to Executing SQL
----------------------------------------------------------
- Consider increasing the 'max SQL text monitored' parameter
to at least 494 (i.e., half way from its current value
to Maximum SQL Text Requested).
===============================================================================
Transaction Profile
-------------------
Transaction Summary per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Committed Xacts 3.0 n/a 532 n/a
Transaction Detail per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Inserts
APL Heap Table 24.7 8.4 4453 84.3 %
APL Clustered Table 4.6 1.6 826 15.6 %
Data Only Lock Table 0.0 0.0 3 0.1 %
------------------------- ------------ ------------ ---------- ----------
Total Rows Inserted 29.3 9.9 5282 92.8 %
Updates
APL Deferred 0.0 0.0 0 0.0 %
APL Direct In-place 1.0 0.3 186 56.4 %
APL Direct Cheap 0.8 0.3 144 43.6 %
APL Direct Expensive 0.0 0.0 0 0.0 %
DOL Deferred 0.0 0.0 0 0.0 %
DOL Direct 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ---------- ----------
Total Rows Updated 1.8 0.6 330 5.8 %
Data Only Locked Updates
Total Rows Updated 0.0 0.0 0 n/a
------------------------- ------------ ------------ ---------- ----------
Total DOL Rows Updated 0.0 0.0 0 0.0 %
Deletes
APL Deferred 0.4 0.1 69 89.6 %
APL Direct 0.0 0.0 5 6.5 %
DOL 0.0 0.0 3 3.9 %
------------------------- ------------ ------------ ---------- ----------
Total Rows Deleted 0.4 0.1 77 1.4 %
========================= ============ ============ ==========
Total Rows Affected 31.6 10.7 5689
=============================================================================== |
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