Configuring and Using Media Flow Controller Logs and Alarms
Media Flow Controller Administrator’s Guide
214
Cache Log (cachelog)
Copyright © 2010, Juniper Networks, Inc.
Cache Log (cachelog)
Media Flow Controller supplies a log of cache activity; for example, an object has been added,
deleted, or modified in the cache. See
“Configuring Media Flow Controller Service Logs (CLI)”
on page 226
for implementation details. See
cachelog
for CLI details.
cache
copy <SCP>
filename <filename>
on-the-hour {disable | enable}
rotate {filesize-MB <integer> | time-interval <integer>}
syslog
For each type of event, Add, Attribute Update, and Delete; a single entry is written:
•
ADD entries include:
a.
Date in square brackets
b.
Type (ADD)
c.
URI name in double quotes
d.
Cache tier name
e.
Cache name
f.
Content length in bytes
g.
Expiry time for this URI, in UTC format with square brackets
•
ATTR_UPDATE (Attribute Update) entries include:
a.
Date in square brackets
b.
Type (ATTR_UPDATE)
c.
URI name in double quotes
d.
Cache tier name
e.
Cache name
f.
Expiry time for this URI, in UTC format with square brackets
•
DELETE entries include:
a.
Date in square brackets
b.
Type (DELETE)
c.
URI name in double quotes
d.
Cache tier name
e.
Cache name
Example:
[Fri Jun 26 19:37:09.754 2009] ADD "/http-cl18:ed239a85/100k-files/117/29" SAS dc_3 32768 [Fri Jun
26 19:38:14 2009]
[Fri Jun 26 19:38:23.257 2009] ATTR_UPDATE "/http-cl18:ed239a85/100k-files/588/45" SAS dc_3 [Fri
Jun 26 19:39:28 2009]
[Fri Jun 26 19:50:59.072 2009] DELETE "/http-cl18:ed239a85/100k-files/381/69" SAS dc_4
Note!
Attribute Update is performed with a namespace origin-request cache-revalidation
on an individual URI. If this namespace option is set to deny, no Attribute Update entries
occur. Each URI has its own expiry time. If the re-validation indicates that a URI is still valid,
the Attribute Update event updates the URI expiry time; this makes a log entry.
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