ADSM-L

Performance problem

2003-02-07 05:10:50
Subject: Performance problem
From: Miguel Demaerel <Miguel.Demaerel AT BRUSSELS.SEMA.SLB DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 7 Feb 2003 10:40:07 +0100
Hoi

Can someone help me with this.
TSM Server 4.2.2.12
Sun Solaris 8 (E450)
BA Client 4.2.1.0
Connect thru Fast ethernet.

Sometimes time the backup takes hours to complete.
Yesterday
Tivoli Storage Manager
Version 4, Release 2, Level 1.0
------------------------------------------------------------------
Final Detailed Instrumentation statistics
Elapsed time: 22013.450 sec
Section      Total Time(sec)  Average Time(msec)  Frequency used
------------------------------------------------------------------
Client Setup        0.459          459.3              1
Process Dirs      784.543           60.3          13020
Solve Tree          0.000            0.0              0
Compute            17.605            0.0        2378504
Transaction       119.315            0.0        7271635
BeginTxn Verb       0.014            0.0            963
File I/O         2150.921            0.9        2499558
Compression         0.000            0.0              0
Encryption          0.000            0.0              0
Delta               0.000            0.0              0
Data Verb        6582.896            2.8        2378504
Confirm Verb        3.148           25.2            125
EndTxn Verb     13139.736        13644.6            963
Client Cleanup      1.345         1345.4              1
------------------------------------------------------------------

Today
Tivoli Storage Manager
Version 4, Release 2, Level 1.0
------------------------------------------------------------------
Final Detailed Instrumentation statistics
Elapsed time: 28370.683 sec
Section      Total Time(sec)  Average Time(msec)  Frequency used
------------------------------------------------------------------
Client Setup        0.310          310.0              1
Process Dirs      805.894           61.9          13021
Solve Tree          0.000            0.0              0
Compute             8.768            0.0        1263556
Transaction       103.700            0.0        3926255
BeginTxn Verb       0.011            0.0            708
File I/O         2565.036            1.9        1384594
Compression         0.000            0.0              0
Encryption          0.000            0.0              0
Delta               0.000            0.0              0
Data Verb        5483.521            4.3        1263556
Confirm Verb        2.878           24.6            117
EndTxn Verb     20212.193        28548.3            708
Client Cleanup      1.080         1079.8              1
------------------------------------------------------------------


What is EndTxn Verb? It takes 50% of the clients time.

tsm: ADSM>q db f=d

          Available Space (MB): 18,000
        Assigned Capacity (MB): 18,000
        Maximum Extension (MB): 0
        Maximum Reduction (MB): 9,944
             Page Size (bytes): 4,096
            Total Usable Pages: 4,608,000
                    Used Pages: 2,058,256
                      Pct Util: 44.7
                 Max. Pct Util: 44.7
              Physical Volumes: 2
             Buffer Pool Pages: 32,768
         Total Buffer Requests: 130,231,713
                Cache Hit Pct.: 98.25
               Cache Wait Pct.: 0.00
           Backup in Progress?: No
    Type of Backup In Progress:
  Incrementals Since Last Full: 0
Changed Since Last Backup (MB): 0.09
            Percentage Changed: 0.00
Last Complete Backup Date/Time: 02/07/2003 09:45:03

There is no waiting and the cache hit is ok.
tsm: ADSM>q log f=d

       Available Space (MB): 2,072
     Assigned Capacity (MB): 2,072
     Maximum Extension (MB): 0
     Maximum Reduction (MB): 2,068
          Page Size (bytes): 4,096
         Total Usable Pages: 529,920
                 Used Pages: 54
                   Pct Util: 0.0
              Max. Pct Util: 10.2
           Physical Volumes: 2
             Log Pool Pages: 512
         Log Pool Pct. Util: 0.62
         Log Pool Pct. Wait: 0.00
Cumulative Consumption (MB): 626,585.08
Consumption Reset Date/Time: 03/06/2002 10:40:02
Even log wait is 0.

Can someone help me with this?
Thanks

                                      /////
                                     (o o)
==============oOO==(_)==OOo==============
                            Miguel Demaerel
                            System Engineer
                             Schlumberger
          Raketstraat 98, B-1130 Brussels, Belgium
                        Tel +32 (0)2 724 93 17
                       Fax +32 (0)2 724 92 92
                 Email Miguel.Demaerel AT SLB DOT COM
=========================================

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