It happened again this afternoon:

2022-12-15T14:01:13.006027-06:00 hermes rsyslogd[10975]:
rsyslogd[internal_messages]: 793 messages lost due to rate-limiting (500
allowed within 5 seconds)
2022-12-15T14:01:19.005580-06:00 hermes rsyslogd[10975]:
rsyslogd[internal_messages]: 1272 messages lost due to rate-limiting (500
allowed within 5 seconds)
2022-12-15T14:01:25.000544-06:00 hermes rsyslogd[10975]:
rsyslogd[internal_messages]: 870 messages lost due to rate-limiting (500
allowed within 5 seconds)
2022-12-15T14:01:31.002353-06:00 hermes rsyslogd[10975]:
rsyslogd[internal_messages]: 1041 messages lost due to rate-limiting (500
allowed within 5 seconds)

On Wed, Dec 14, 2022 at 11:31 AM Rainer Gerhards <[email protected]>
wrote:

> I ignore the database logging issue. When you have rate-limiting
> issues again, please report, together with the description of what
> happens.
>
> If you think this is related to mysql, please address that issue first.
>
> Rainer
>
> El mié, 14 dic 2022 a las 17:48, helices
> (<[email protected]>) escribió:
> >
> > REF: Rsyslogd/ommysql.so: Not writing to DB intermittently
> >
> > Rainer asked us to start a new post for the rate-limit issue.
> >
> >
> > A few of many hundreds of rate-limit errors and lost messages:
> >
> > 2022-12-13T02:23:44.003241-06:00 hermes rsyslogd[2539]:
> rsyslogd[internal_messages]: 1792 messages lost due to rate-limiting (500
> allowed within 5 seconds)
> > 2022-12-13T02:23:50.001278-06:00 hermes rsyslogd[2539]:
> rsyslogd[internal_messages]: 1779 messages lost due to rate-limiting (500
> allowed within 5 seconds)
> > 2022-12-13T02:23:56.001273-06:00 hermes rsyslogd[2539]:
> rsyslogd[internal_messages]: 1835 messages lost due to rate-limiting (500
> allowed within 5 seconds)
> > 2022-12-13T02:24:02.005300-06:00 hermes rsyslogd[2539]:
> rsyslogd[internal_messages]: 1768 messages lost due to rate-limiting (500
> allowed within 5 seconds)
> > s
> >
> >
> > # date; grep -v "^\(#\|\s*$\)" /etc/rsyslog.conf ;date
> > Wed Dec 14 10:35:41 CST 2022
> > $DebugFile /var/log/rsyslog.debug
> > $DebugLevel 2
> > module(load="imjournal" Ratelimit.Burst="30000"
> Ratelimit.Interval="1000" StateFile="imjournal.state")
> > module(load="imklog")
> > module(load="immark")
> > module(load="impstats" interval="600" severity="7")
> > syslog.=debug /var/log/rsyslog-stats
> > module(load="imtcp")
> > input(type="imtcp" port="514")
> > module(load="imudp")
> > input(type="imudp" port="514")
> > module(load="ommysql.so")
> > global(workDirectory="/var/lib/rsyslog")
> > authpriv.none;cron.none;*.info;mail.none    /var/log/messages
> > authpriv.*                                  /var/log/secure
> > cron.*                                      /var/log/cron
> > *.emerg                                     :omusrmsg:*
> > ftp.*                                       /var/log/vsftpd.log
> > local7.*                                    /var/log/boot.log
> > mail.*                                      /var/log/maillog
> > uucp,news.crit                              /var/log/spooler
> > $ActionName Ftp
> > $ActionQueueFileName dbFtpQueue   # Set file name, also enables disk mode
> > $ActionQueueSaveOnShutdown on     # Save messages to disk on shutdown
> > $ActionQueueType LinkedList       # Use asynchronous processing
> > $ActionResumeRetryCount -1        # Infinite retries on insert failure
> > ftp.*
>  :ommysql:10.199.5.177,vsftplog,hermesvsftplog,_____
> > $ActionName Sftp
> > $ActionQueueFileName dbSftpQueue   # Set file name, also enables disk
> mode
> > $ActionQueueSaveOnShutdown on      # Save messages to disk on shutdown
> > $ActionQueueType LinkedList        # Use asynchronous processing
> > $ActionResumeRetryCount -1         # Infinite retries on insert failure
> > authpriv.*
>  :ommysql:10.199.5.177,sftplogDB,hermesvsftplog,_____
> > $ActionName Admin
> > $ActionQueueFileName ZenossQueue  # Set file name, also enables disk mode
> > $ActionQueueSaveOnShutdown on     # Save messages to disk on shutdown
> > $ActionQueueType LinkedList       # Use asynchronous processing
> > $ActionResumeRetryCount -1        # Infinite retries on insert failure
> > *.*                               @@10.199.1.160
> > Wed Dec 14 10:35:41 CST 2022
> >
> >
> > Rainer asked us to setup a debug log, according to:
> > https://www.rsyslog.com/doc/master/troubleshooting/howtodebug.html
> >
> > Initial startup here:
> > https://pastebin.com/DUgwmPC
> >
> >
> > No rate-limiting occurred since early yesterday (12/13) morning. This
> appears to be associated with the errors and multi-line syslog entries
> mentioned in the other post.
> >
> > The sole intent of the database logging is tracking all incoming remote
> file transfer (SFTP) activities. There is a firewall between this host and
> the internet. Only "whitelisted" IP addresses can get through, and are to
> be inserted into the database.
> >
> > Apparently, at least one client connects in the early morning hours, and
> this unusual SFTP unusual activity results in multi-line syslog entries
> that come in very large numbers. One problem is, the multiple line entries
> are not written to /var/log/messages, are not inserted into the database,
> and rate-limiting obscures all content. Hence, this support request is our
> attempt to understand what is happening, after which we can act to correct
> these problems.
> >
> > Interestingly, we are not aware of any missing files from this or any
> other file transfer clients.
>
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