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  1. OMG Issue

TLOG — Reset of Capacity Alarm Threshold under wrap condition

  • Key: TLOG-37
  • Legacy Issue Number: 2754
  • Status: closed  
  • Source: Anonymous
  • Summary:

    Summary: This behaviour does not seem correct. Under a wrap condition, a
    capacity alarm gauge threshold should retrigger once in each
    period between wraps, but if the counter resets every time it
    crosses the thresold it will trigger more often. Thus the reset
    of the gauge , under wrap conditions, needs to be reworded as
    follows:

    "
    When a log object is created with the wrap option the capacity
    threshold alarms are triggered as if coupled to a gauge that
    counts from zero to the highest capacity of the log defined
    (reached each time the log wraps) and then resets to zero.

    If a log wraps, and no records are deleted to free space,
    capacity threshold events shall be emitted only when all the
    records in the log prior to the previous wrap occurance are
    completely overwritten. In other words, the gauge threshold is
    reset to zero each time the end of log marker is crossed by the
    addition of a new log record. For example if a log has a capacity
    of 2 Gigabytes a wrap event will occur only when every time 2
    Gigabytes of data have been written to the log.
    "

  • Reported: TLOG 1.0b1 — Thu, 17 Jun 1999 04:00 GMT
  • Disposition: Resolved — TLOG 1.0
  • Disposition Summary:

    resolved, see revised text below

  • Updated: Fri, 6 Mar 2015 20:58 GMT