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===============================================================================
Sybase Adaptive Server Enterprise System Performance Report
===============================================================================
Server Version: Adaptive Server Enterprise/12.5.2/EBF 12056 ESD#2/P/RS60
Server Name: Sse
Run Date: Dec 15, 2006
Statistics Cleared at: Dec 15, 2006 10:50:35
Statistics Sampled at: Dec 15, 2006 11:20:36
Sample Interval: 00:30:00
===============================================================================
Kernel Utilization
------------------
Your Runnable Process Search Count is set to 2000
and I/O Polling Process Count is set to 10
Engine Busy Utilization CPU Busy I/O Busy Idle
------------------------ -------- -------- --------
Engine 0 20.6 % 0.9 % 78.4 %
Engine 1 19.0 % 1.2 % 79.7 %
Engine 2 17.1 % 1.4 % 81.5 %
------------------------ -------- -------- --------
Summary Total 56.8 % 3.5 % 239.7 %
Average 18.9 % 1.2 % 79.9 %
CPU Yields by Engine per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Engine 0 92.1 54.3 165795 39.6 %
Engine 1 91.1 53.7 163931 39.1 %
Engine 2 49.6 29.3 89356 21.3 %
------------------------- ------------ ------------ ----------
Total CPU Yields 232.8 137.2 419082
Network Checks
Non-Blocking 21852.4 12879.6 39334352 98.9 %
Blocking 232.3 136.9 418160 1.1 %
------------------------- ------------ ------------ ----------
Total Network I/O Checks 22084.7 13016.5 39752512
Avg Net I/Os per Check n/a n/a 0.00618 n/a
Disk I/O Checks
Total Disk I/O Checks 22254.8 13116.8 40058684 n/a
Checks Returning I/O 1364.6 804.3 2456310 6.1 %
Avg Disk I/Os Returned n/a n/a 0.06523 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 0.4 0.2 675 n/a
Task Context Switches by Engine
Engine 0 75.0 44.2 134984 38.5 %
Engine 1 52.3 30.8 94055 26.8 %
Engine 2 67.7 39.9 121851 34.7 %
------------------------- ------------ ------------ ----------
Total Task Switches: 194.9 114.9 350890
Task Context Switches Due To:
Voluntary Yields 5.6 3.3 10126 2.9 %
Cache Search Misses 70.0 41.2 125945 35.9 %
System Disk Writes 0.3 0.2 548 0.2 %
I/O Pacing 1.3 0.8 2320 0.7 %
Logical Lock Contention 0.0 0.0 63 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 21 0.0 %
Last Log Page Writes 0.9 0.5 1596 0.5 %
Modify Conflicts 0.0 0.0 34 0.0 %
I/O Device Contention 0.0 0.0 0 0.0 %
Network Packet Received 19.8 11.7 35651 10.2 %
Network Packet Sent 28.4 16.7 51059 14.6 %
Other Causes 68.6 40.4 123527 35.2 %
===============================================================================
Application Management
----------------------
Application Statistics Summary (All Applications)
-------------------------------------------------
Priority Changes per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
To High Priority 0.1 0.1 162 1.5 %
To Medium Priority 3.2 1.9 5844 53.1 %
To Low Priority 2.8 1.6 5007 45.5 %
------------------------- ------------ ------------ ----------
Total Priority Changes 6.1 3.6 11013
Allotted Slices Exhausted per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
High Priority 0.0 0.0 0 0.0 %
Medium Priority 2.4 1.4 4390 100.0 %
Low Priority 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ----------
Total Slices Exhausted 2.4 1.4 4390
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 72.9 43.0 131230 94.0 %
Dirty 4.7 2.7 8375 6.0 %
------------ ------------ ----------
Total Washes 77.6 45.7 139605
Garbage Collections 0.6 0.4 1137 n/a
Pages Processed in GC 0.0 0.0 2 n/a
Statistics Updates 0.4 0.2 651 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 65 n/a
Maximum SQL Text Requested n/a n/a 522 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 388 (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 1.7 n/a 3054 n/a
Transaction Detail per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Inserts
APL Heap Table 1109.2 653.7 1996511 99.7 %
APL Clustered Table 1.9 1.1 3367 0.2 %
Data Only Lock Table 1.0 0.6 1742 0.1 %
------------------------- ------------ ------------ ---------- ----------
Total Rows Inserted 1112.0 655.4 2001620 98.9 %
Updates
APL Deferred 2.6 1.5 4603 57.0 %
APL Direct In-place 0.1 0.1 187 2.3 %
APL Direct Cheap 0.1 0.1 189 2.3 %
APL Direct Expensive 0.0 0.0 6 0.1 %
DOL Deferred 1.2 0.7 2190 27.1 %
DOL Direct 0.5 0.3 900 11.1 %
------------------------- ------------ ------------ ---------- ----------
Total Rows Updated 4.5 2.6 8075 0.4 %
Data Only Locked Updates
DOL Replace 1.7 1.0 3041 98.4 %
DOL Shrink 0.0 0.0 12 0.4 %
DOL Cheap Expand 0.0 0.0 1 0.0 %
DOL Expensive Expand 0.0 0.0 30 1.0 %
DOL Expand & Forward 0.0 0.0 6 0.2 %
DOL Fwd Row Returned 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ---------- ----------
Total DOL Rows Updated 1.7 1.0 3090 0.2 %
Deletes
APL Deferred 3.7 2.2 6573 46.0 %
APL Direct 4.2 2.5 7507 52.5 %
DOL 0.1 0.1 220 1.5 %
------------------------- ------------ ------------ ---------- ----------
Total Rows Deleted 7.9 4.7 14300 0.7 %
========================= ============ ============ ==========
Total Rows Affected 1124.4 662.7 2023995
===============================================================================
Transaction Management
----------------------
ULC Flushes to Xact Log per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
by Full ULC 2.0 1.2 3536 30.8 %
by End Transaction 1.3 0.8 2330 20.3 %
by Change of Database 0.1 0.0 138 1.2 %
by Single Log Record 1.9 1.1 3443 30.0 %
by Unpin 0.4 0.2 680 5.9 %
by Other 0.8 0.4 1356 11.8 %
------------------------- ------------ ------------ ----------
Total ULC Flushes 6.4 3.8 11483
ULC Log Records 53.9 31.8 97045 n/a
Max ULC Size During Sample n/a n/a 2048 n/a
ULC Semaphore Requests
Granted 108.9 64.2 196064 100.0 %
Waited 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ----------
Total ULC Semaphore Req 108.9 64.2 196064
Log Semaphore Requests
Granted 6.5 3.8 11729 100.0 %
Waited 0.0 0.0 0 0.0 %
------------------------- ------------ ------------ ----------
Total Log Semaphore Req 6.5 3.8 11729
Transaction Log Writes 4.4 2.6 7970 n/a
Transaction Log Alloc 3.6 2.1 6477 n/a
Avg # Writes per Log Page n/a n/a 1.23051 n/a
Tuning Recommendations for Transaction Management
-------------------------------------------------
- Consider increasing the 'user log cache size'
configuration parameter.
===============================================================================
Index Management
----------------
Nonclustered Maintenance per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Ins/Upd Requiring Maint 0.9 0.5 1617 n/a
# of NC Ndx Maint 1.0 0.6 1886 n/a
Avg NC Ndx Maint / Op n/a n/a 1.16636 n/a
Deletes Requiring Maint 1.0 0.6 1833 n/a
# of NC Ndx Maint 0.9 0.5 1532 n/a
Avg NC Ndx Maint / Op n/a n/a 0.83579 n/a
RID Upd from Clust Split 0.0 0.0 36 n/a
# of NC Ndx Maint 0.4 0.2 673 n/a
Avg NC Ndx Maint / Op n/a n/a 18.69444 n/a
Upd/Del DOL Req Maint 1.8 1.1 3310 n/a
# of DOL Ndx Maint 0.2 0.1 287 n/a
Avg DOL Ndx Maint / Op n/a n/a 0.08671 n/a
Page Splits 0.0 0.0 85 n/a
Retries 0.0 0.0 0 0.0 %
Deadlocks 0.0 0.0 0 0.0 %
Add Index Level 0.0 0.0 0 0.0 %
Page Shrinks 0.0 0.0 60 n/a
Deadlocks %
Deadlock Retries Exceeded 0.0 0.0 0 0.0 %
Index Scans per sec per xact count % of total
------------------------- ------------ ------------ ---------- ----------
Ascending Scans 2441.8 1439.2 4395305 85.4 %
DOL Ascending Scans 415.7 245.0 748261 14.5 %
Descending Scans 0.3 0.2 622 0.0 %
DOL Descending Scans 0.3 0.2 590 0.0 %
------------ ------------ ----------
Total Scans 2858.2 1684.6 5144778
=============================================================================== |
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