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-rw-r--r--src/mysqlstat.812
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mysqlstat.8 b/src/mysqlstat.8
index f79e9cf..e0bcb7f 100644
--- a/src/mysqlstat.8
+++ b/src/mysqlstat.8
@@ -50,2 +50,14 @@ To configure the module, it is recommended to use the
utility.
+.SS Caching
+In order to minimize its impact on MySQL server, the
+.B mysqlstat
+module caches the data obtained from the server. Default caching
+interval is 10 seconds for tabular information. Additionally, results
+of each
+.B SHOW PROCESSLIST
+are cached for 10 seconds. This means that updates of
+.B processListTable
+entries may delay for up to 20 seconds.
+.PP
+As of version 1.0, these delays are not configurable.
.SH CONFIGURATION

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