Bug 1030523
Summary: | when journald discards messages due to rate limiting, it does not show how many messages were dropped | ||||||
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Product: | [Fedora] Fedora | Reporter: | Andrew J. Schorr <aschorr> | ||||
Component: | systemd | Assignee: | systemd-maint | ||||
Status: | CLOSED NEXTRELEASE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
Severity: | unspecified | Docs Contact: | |||||
Priority: | unspecified | ||||||
Version: | 19 | CC: | johannbg, lnykryn, msekleta, plautrba, systemd-maint, vpavlin, zbyszek | ||||
Target Milestone: | --- | ||||||
Target Release: | --- | ||||||
Hardware: | Unspecified | ||||||
OS: | Unspecified | ||||||
Whiteboard: | |||||||
Fixed In Version: | Doc Type: | Bug Fix | |||||
Doc Text: | Story Points: | --- | |||||
Clone Of: | Environment: | ||||||
Last Closed: | 2015-02-17 19:14:45 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: | |||||||
Attachments: |
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Created attachment 824014 [details] /etc/rc.d/init.d/verbose to show behavior of journald rate-limiting Description of problem: As documented in 'man journald.conf', systemd-journald applies rate limiting based on RateLimitInterval and RateLimitBurst to messages on a per-service basis. The default value for RateLimitBurst is 200. One of my services is very verbose and produces over 200 messages when it starts. As expected, journald starts discarding messages after 200 are logged. But the man page claims that it will log a message about the number of dropped messages, and I do not see that in the log. It would be very helpful if journald shows that it dropped messages. Version-Release number of selected component (if applicable): systemd-204-17.fc19.x86_64 How reproducible: Create a service or LSB init script that logs over 200 messages in less than 10 seconds. Start the service and observe that messages are dropped. The attached LSB init script demonstrates the problem. Note that there is another bug I discovered: if the script spews 250 messages quickly without pausing, none are discarded by journald. If I add "sleep 1" after every 50 messages, then the rate limiting works propertly. Maybe I should open a separate bug for this issue... Steps to Reproduce: 1. Copy the attached file to /etc/rc.d/init.d/verbose 2. In one window, run "journalctl -f" 3. systemctl start verbose Actual results: Messages are discarded without any message indicating that messages were dropped. Expected results: Journald should log a message saying how many messages were dropped. Additional info: