[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: Statement Cache Requests

  • Thread starter Thread starter George Potemkin
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George Potemkin

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Also note that USR latch was 100% busy (we see the latch's owners during every snapshot). USR latch was locked 30,000 times per second. In other words, the duration of latch lock was about 30 /milli/seconds (= 1 / 30,000) but a normal duration of the most latch locks is about 30-100 /nano/seconds. I guess the processes hold the USR latch while they read or write the .cst files on disk. The milliseconds are typical for disk I/O.

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