HP Cache Server Appliance Administrator Guide

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Appendix A Traffic Manager Statistics
PASV Connections
Successes
The number of successful PASV connections since installation.
PASV Connections
Failures
The number of PASV connection failures since installation.
PORT Connections
Successes
The number of successful PORT connections since installation.
PORT Connections
Failures
The number of PORT connection failures since installation.
NNTP Client
Open Connections The number of open NNTP connections.
Bytes Read The number of NNTP client request bytes read since installation.
Bytes Written The number of NNTP client bytes written since installation.
NNTP Server
Open Connections The number of currently open NNTP server connections.
Bytes Read The number of bytes read from parent NNTP servers since installation.
Bytes Written The number of NNTP bytes written to the cache since installation.
Operations
Article Hits The number of news article hits since installation.
Article Misses The number of news article misses since installation.
Overview Hits The number of overview hits since installation.
Overview Refreshes The number of overview refreshes. An overview refresh occurs when the
Traffic Server caches a group overview on demand (as opposed to an overview
pull).
Group Hits The number of group hits since installation.
Group Refreshes The number of group refreshes since installation.
Posts The number of article posts since installation.
Post Bytes The amount of news data posted since installation.
Pull Bytes The amount of article and overview data pulled since installation.
Feed Bytes The amount of NNTP data received through news feeds since installation.
ICP
Queries Originating From This Node
Query Requests The number of HTTP requests that generate ICP query messages.
Query Messages Sent The total number of ICP query messages sent to ICP peers. This number is
larger than the number of “ICP Query Requests” if there are multiple ICP peers.
Peer Hit Messages
Received
The number of ICP peer hit messages received in response to ICP queries from
this node.
Peer Miss Messages
Received
The number of ICP peer miss messages received in response to ICP queries
from this node.
Total Responses
Received
The number of response messages received from ICP peers (siblings and
parents).
Average ICP Message
Response Time (ms)
The average time for an ICP peer to respond to an ICP query message from this
node. This is a cumulative average value.
Average ICP Request
Time (ms)
The average time for an HTTP request (that is sent to ICP) to receive an ICP
response. This is a cumulative average value.
Statistic Description