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Clarify that --slave is required for --heartbeat to work.

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1 parent 2565e15 commit 45ee6f94323f9ab167afba99133667600b896a11 Bret Martin committed Nov 29, 2012
Showing with 3 additions and 1 deletion.
  1. +3 −1 mysql-snmp.1
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@@ -76,7 +76,9 @@ adds SNMP counters for slaves
.TP
.B \-b,\-\-heartbeat DB.TABLE
-compute slave lag with the Percona Toolkit pt-heartbeat stamp table.
+compute slave lag with the Percona Toolkit pt-heartbeat stamp
+table. (Note that this option has no effect if \-\-slave is not also
+specified.)
.TP
.B \-\-oid OID

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