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IT35313: SESSIONS MIGHT SHOW BUFFER AND LOG BUFFER WAITS WHEN A HDR SECONDARY IS STARTING

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APAR status

  • Closed as suggestion for future release.

Error description

  • If there is a very busy primary server, then any sessions
    performing transactional work might experience a blocked state
    for a number of seconds while a HDR secondary starts up and is
    establishing synchronization.  The blocked time will be seen
    during the processing of log records within the current logical
    log and this can be seen by running many "onstat -u" reports and
    looking for flags with a value of "G-" or "B-".   The block time
    could be long if the log file size is very big.
    

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

  • Future release
    

APAR Information

  • APAR number

    IT35313

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    C10

  • Status

    CLOSED SUG

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-12-18

  • Closed date

    2024-04-05

  • Last modified date

    2024-04-05

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
05 April 2024