Sendmail - load average
The mail queue is full and no more mail is delivered from the system.
SolarisBox1:/root# mailq
/var/spool/mqueue (845 requests)
----Q-ID---- --Size-- -----Q-Time----- ------------Sender/Recipient------------
q86892K23102X 0 Thu Sep 6 10:09 root
schweitzer@mydomain.com
q8687N218303X 0 Thu Sep 6 10:07 root
schweitzer@mydomain.com
q8688X121871X 0 Thu Sep 6 10:08 root
schweitzer@mydomain.com
q868FH944906X 0 Thu Sep 6 10:15 root
schweitzer@mydomain.com
....., Very High
SolarisBox1:/root# tail -f /var/log/syslog
Sep 6 10:21:03 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] accepting connections again for daemon MTA-IPv4
Sep 6 10:21:03 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] accepting connections again for daemon MTA-IPv6
Sep 6 10:21:03 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] accepting connections again for daemon MSA
Sep 6 10:21:10 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv4: load average: 192
Sep 6 10:21:10 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv6: load average: 192
Sep 6 10:21:10 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MSA: load average: 192
Sep 6 10:21:10 SolarisBox1 sendmail[8293]: [ID 801593 mail.info] NOQUEUE: [10.1.5.17] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
SolarisBox1:/root# mailx -v -s "test" schweitzer@mydomain.com
EOT
SolarisBox1:/root# schweitzer@mydomain.com... queued
Tried restarting sendmail. No luck
Sep 6 10:15:48 SolarisBox1 sendmail[46426]: [ID 801593 mail.info] NOQUEUE: [10.3.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:16:16 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] starting daemon (8.11.7p3+Sun): SMTP+queueing@00:15:00
Sep 6 10:16:16 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] runqueue: Skipping queue run -- load average too high
Sep 6 10:16:17 SolarisBox1 sendmail[48395]: [ID 801593 mail.info] NOQUEUE: [10.1.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:16:18 SolarisBox1 sendmail[48572]: [ID 801593 mail.info] NOQUEUE: [10.3.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Load average is reported as high
Sep 6 10:21:25 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv4: load average: 193
Sep 6 10:21:25 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv6: load average: 193
Sep 6 10:21:25 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MSA: load average: 193
Sep 6 10:21:40 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv4: load average: 192
Sep 6 10:21:40 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv6: load average: 192
Sep 6 10:21:40 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MSA: load average: 192
Sep 6 10:21:55 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv4: load average: 194
Sep 6 10:21:55 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv6: load average: 194
Sep 6 10:21:55 SolarisBox1 sendmail[48275]: [ID 702911 mail.info] rejecting connections on daemon MSA: load average: 194
Sep 6 10:21:55 SolarisBox1 sendmail[10488]: [ID 702911 mail.info] runqueue: Skipping queue run -- load average too high
SolarisBox1:/root# grep QueueLA /etc/mail/sendmail.cf
O QueueLA=128
SolarisBox1:/root#
Temporarily edit the queue size to above the load and restart sendmail
# load average at which we just queue messages
O QueueLA=228
# load average at which we refuse connections
O RefuseLA=292
SolarisBox1:/root# /etc/init.d/sendmail stop
SolarisBox1:/root# /etc/init.d/sendmail start
SolarisBox1:/root#
Sep 6 10:27:19 SolarisBox1 sendmail[30901]: [ID 702911 mail.info] rejecting connections on daemon MSA: load average: 202
Sep 6 10:27:34 SolarisBox1 sendmail[30901]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv4: load average: 200
Sep 6 10:27:34 SolarisBox1 sendmail[30901]: [ID 702911 mail.info] rejecting connections on daemon MTA-IPv6: load average: 200
Sep 6 10:27:34 SolarisBox1 sendmail[30901]: [ID 702911 mail.info] rejecting connections on daemon MSA: load average: 200
Sep 6 10:27:59 SolarisBox1 sendmail[33515]: [ID 702911 mail.info] starting daemon (8.11.7p3+Sun): SMTP+queueing@00:15:00
Sep 6 10:28:00 SolarisBox1 sendmail[33540]: [ID 801593 mail.info] NOQUEUE: [10.3.1.17] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:01 SolarisBox1 sendmail[33571]: [ID 801593 mail.info] NOQUEUE: [10.1.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:02 SolarisBox1 sendmail[33653]: [ID 801593 mail.info] NOQUEUE: [10.1.5.17] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:02 SolarisBox1 sendmail[33702]: [ID 801593 mail.info] NOQUEUE: [10.3.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:05 SolarisBox1 sendmail[33922]: [ID 801593 mail.info] NOQUEUE: [10.3.5.17] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:06 SolarisBox1 sendmail[34017]: [ID 801593 mail.info] NOQUEUE: [10.1.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:07 SolarisBox1 sendmail[34139]: [ID 801593 mail.info] NOQUEUE: [10.1.5.17] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:07 SolarisBox1 sendmail[34197]: [ID 801593 mail.info] NOQUEUE: [10.3.5.16] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-IPv4
Sep 6 10:28:08 SolarisBox1 sendmail[33516]: [ID 801593 mail.info] q86892K23102: to=schweitzer@mydomain.com, ctladdr=root (0/1), delay=00:19:06, xdelay=00:00:00, mailer=relay, pri=120058,
relay=mailrelay [10.5.253.35], dsn=2.0.0, stat=Sent ( 201209060809.q86892K23102@SolarisBox1.sub.mydomain.com Queued mail for delivery)
Sep 6 10:28:09 SolarisBox1 sendmail[33516]: [ID 801593 mail.info] q8687N218303: to=schweitzer@mydomain.com, ctladdr=root (0/1), delay=00:20:46, xdelay=00:00:01, mailer=relay, pri=120058,
relay=mailrelay [10.5.253.35], dsn=2.0.0, stat=Sent ( 201209060807.q8687N218303@SolarisBox1.sub.mydomain.com Queued mail for delivery)
SolarisBox1:/root#
SolarisBox1:/root# mailq
/var/spool/mqueue is empty
SolarisBox1:/root#
Messages delivered.
Now change back to the default value
# load average at which we just queue messages
O QueueLA=128
# load average at which we refuse connections
O RefuseLA=192
SolarisBox1:/root# /etc/init.d/sendmail stop
SolarisBox1:/root# /etc/init.d/sendmail start
SolarisBox1:/root#
SolarisBox1:/root#
Excellent !!.
ReplyDeleteIt works fine.
This comment has been removed by the author.
ReplyDeletegood job bro..
ReplyDeletethanks