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Bug 1553700

Summary:	Increase max open files to 16384 to align with systemd-journald
Product:	Red Hat Enterprise Linux 7	Reporter:	Renaud Métrich <rmetrich>
Component:	rsyslog	Assignee:	Jiří Vymazal <jvymazal>
Status:	CLOSED ERRATA	QA Contact:	Ondrej Moriš <omoris>
Severity:	medium	Docs Contact:	Marie Hornickova <mdolezel>
Priority:	medium
Version:	7.6	CC:	apmukher, dapospis, dkopecek, jvymazal, mdolezel, mthacker, omoris, pasik, rmetrich
Target Milestone:	rc	Keywords:	EasyFix, Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	rsyslog-8.24.0-23.el7	Doc Type:	Known Issue
Doc Text:	Rsyslog cannot proceed if the default maximum of open files is exceeded Rsyslog sometimes runs over the default limits for maximum number of open files. Consequently, rsyslog cannot open new files. To work around this problem, modify the rsyslog configuration by increasing this limit to align with systemd-journald. To do so, create a drop-in file named `/etc/systemd/system/rsyslog.service.d/increase_nofile_limit.conf` with the following content: [Service] LimitNOFILE=16384	Story Points:	---
Clone Of:
Clones:	1564054 (view as bug list)		Environment:
Last Closed:	2018-10-30 10:17:00 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1595781
Bug Blocks:

Description Renaud Métrich 2018-03-09 11:00:15 UTC

Description of problem:

Currently, the default max open files limit for rsyslog is:
soft: 1024
hard: 4096

These numbers are too low because rsyslog connects to the system journal and this can lead to numerous file descriptors be used (see BZ 1550575 and BZ 1540132)

systemd-journald service unit has the following property:
LimitNOFILE=16384

rsyslog service unit should have the same limit set.

Comment 13 Jiří Vymazal 2018-07-23 08:44:21 UTC

*** Bug 1540132 has been marked as a duplicate of this bug. ***

Comment 32 errata-xmlrpc 2018-10-30 10:17:00 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2018:3135