Extract having too many open files to /dev/zero

(Doc ID 2325998.1)

Last updated on NOVEMBER 09, 2017

Applies to:

Oracle GoldenGate - Version 11.2.0.0.0 and later
Information in this document applies to any platform.

Symptoms

 We see 45,000+ entries of the Extract having open file to /dev/zero.

Concern with is this will take up memory on the system....

$> lsof | grep extract | grep zero | head
extract 14631 oracle DEL REG 0,5 198797505 /dev/zero
extract 14631 oracle DEL REG 0,5 198708148 /dev/zero
extract 14631 oracle DEL REG 0,5 184733087 /dev/zero
extract 14631 oracle DEL REG 0,5 149508170 /dev/zero
extract 14631 oracle DEL REG 0,5 137084946 /dev/zero
extract 14631 oracle DEL REG 0,5 137025190 /dev/zero
extract 14631 oracle DEL REG 0,5 137083012 /dev/zero
extract 14631 oracle DEL REG 0,5 132522279 /dev/zero
extract 14631 oracle DEL REG 0,5 128639175 /dev/zero
extract 14631 oracle DEL REG 0,5 128594712 /dev/zero

Changes

 None

Cause

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