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JAVAVM Callouts via a Stored Procedure is Slow : Oracle Shadows Process Shows POLL() SJONIO_POLL_PFDS() top on Stack (Doc ID 1474306.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Server - Enterprise Edition - Version 11.2.0.1 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

Running a JAVA procedure on HP-UX Itanium which does OS callouts via Runtime.GetRuntime() is slow.

Stack trace from the Oracle shadow process looks like:
  poll() sjonio_poll_pfds() joet_io_poll_handles() joet_io_poll()
  sjonio_poll() joet_io_poll_wrapper() joet_poll() joet_schedule()
  joet_doze() joet_sleep() joet_wait() jonobj_wait() jonobj8_wait__cst__()

 

Cause

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