On Thursday, December 11, 2014 05:12:03 PM Kangkook Jee wrote: > Hi, all > > I'm running a customized user-level audit client and getting the following > messages from /var/log/kern.log every now and then. The message seems like > that it is dropping audit messages due to buffer limitations.
I wouldn't say, due to buffer limitations. Its because your client is not reading fast enough. 102400 should be plenty of buffers. By contrast, I recommend 8192 for busy systems using auditd. > Dec 11 21:46:56 hostname-10 kernel: [2081500.871616] audit_log_start: 109700 > callbacks suppressed > Dec 11 21:46:56 hostname-10 kernel: [2081500.871620] audit: audit_backlog=102401 > audit_backlog_limit=102400 > Dec 11 21:46:56 hostname-10 kernel: [2081500.871622] audit: > audit_lost=-295739022 audit_rate_limit=0 audit_backlog_limit=102400 > What I want to know more from this is that how many messages we are missing. > For this, can I simply refer audit_lost field? Probably. > or I also need to consider the value from " callbacks suppressed" line? I cannot find that in any kernel code I have. -Steve -- Linux-audit mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-audit
