Statistic	Variable
	Summary
Node name	proxy.node.hostname
Objects served	proxy.node.user_agents_total_documents_served
Transactions per second	proxy.node.user_agent_xacts_per_second
	Node
Document hit rate	proxy.node.cache_hit_ratio_avg_10s proxy.cluster.cache_hit_ratio_avg_10s
Bandwidth savings	proxy.node.bandwidth_hit_ratio_avg_10s proxy.cluster.bandwidth_hit_ratio_avg_10s
Cache percent free	proxy.node.cache.percent_free proxy.cluster.cache.percent_free
Open origin server connections	proxy.node.current_server_connections proxy.cluster.current_server_connections
Open client connections	proxy.node.current_client_connections proxy.cluster.current_client_connections
Cache transfers in progress	proxy.node.current_cache_connections proxy.cluster.current_cache_connections
Client throughput (Mbits/sec)	proxy.node.client_throughput_out proxy.cluster.client_throughput_out
Transactions per second	proxy.node.http.user_agent_xacts_per_second proxy.cluster.http.user_agent_xacts_per_second
DNS lookups per second	proxy.node.dns.lookups_per_second proxy.cluster.dns.lookups_per_second
Host database hit rate	proxy.node.hostdb.hit_ratio_avg_10s proxy.cluster.hostdb.hit_ratio_avg_10s
	HTTP
Total document bytes from client	proxy.process.http.user_agent_response_document_total_size
Total header bytes from client	proxy.process.http.user_agent_response_header_total_size
Total response header bytes to client from cache	proxy.process.http. user_agent_response_from_cache_header_total_size
Total response document bytes to client from cache	proxy.process.http.user_agent_response_from_cache_document_total_size
Total connections to client	proxy.process.http.current_client_connections
Current unique clients connected	proxy.process.http.client.unique_clients.active
Total unique clients that have connected	proxy.process.http.client.unique_clients.total
Total clients that exceeded limit	proxy.process.http.client.exceeding_limit
Total clients for which connections were closed	proxy.process.http.client.closed_connections
Open HTTP client connections	proxy.process.http.current_active_http_client_connections
Open HTTPS client connections	proxy.node.process.http.current_active_https_client_connections
Client Requests (IPv4 +IPv6)	proxy.process.http.real_client_requests
Client IPv6 Requests	proxy.process.http.real_client_ipv6_requests
Client transactions in progress	proxy.process.http.current_client_transactions
Total document bytes from origin server	proxy.process.http.origin_server_response_document_total_size
Total header bytes from origin server	proxy.process.http.origin_server_response_header_total_size
Total connections to origin server	proxy.process.http.current_server_connections
Origin server transactions in progress	proxy.process.http.current_server_transactions
	FTP
Currently open FTP connections	proxy.process.ftp.connections_currently_open
Successful PASV connections	proxy.process.ftp.connections_successful_pasv
Unsuccessful PASV connections	proxy.process.ftp.connections_failed_pasv
Successful PORT connections	proxy.process.ftp.connections_successful_port
Unsuccessful PORT connections	proxy.process.ftp.connections_failed_port
	WCCP
Enabled	proxy.config.wccp.enabled
WCCP interface	proxy.local.wccp2.ethernet_interface
	Cache
Bytes used	proxy.process.cache.bytes_used
Cache size	proxy.process.cache.bytes_total
Lookups in progress	proxy.process.cache.lookup.active
Lookups completed	proxy.process.cache.lookup.success
Lookup misses	proxy.process.cache.lookup.failure
Reads in progress	proxy.process.cache.read.active
Reads completed	proxy.process.cache.read.success
Read misses	proxy.process.cache.read.failure
Writes in progress	proxy.process.cache.write.active
Writes completed	proxy.process.cache.write.success
Write failures	proxy.process.cache.write.failure
Updates in progress	proxy.process.cache.update.active
Updates completed	proxy.process.cache.update.success
Update failures	proxy.process.cache.update.failure
Removes in progress	proxy.process.cache.remove.active
Remove successes	proxy.process.cache.remove.success
Remove failures	proxy.process.cache.remove.failure
	Host DB
Total lookups	proxy.process.hostdb.total_lookups
Total hits	proxy.process.hostdb.total_hits
Time TTL (min)	proxy.process.hostdb.ttl
	DNS
DNS total lookups	proxy.process.dns.total_dns_lookups
Average lookup time (ms)	proxy.process.dns.lookup_avg_time
DNS successes	proxy.process.dns.lookup_successes
	Cluster
Bytes read	proxy.process.cluster.read_bytes
Bytes written	proxy.process.cluster.write_bytes
Connections open	proxy.process.cluster.connections_open
Total operations	proxy.process.cluster.connections_opened
Network backups	proxy.process.cluster.net_backup
Clustering nodes	proxy.process.cluster.nodes
	SOCKS
Unsuccessful connections	proxy.process.socks.connections_unsuccessful
Successful connections	proxy.process.socks.connections_successful
Connections in progress	proxy.process.socks.connections_currently_open
	Logging
Currently open log files	proxy.process.log2.log_files_open
Space used for log files	proxy.process.log2.log_files_space_used
Number of access events logged	proxy.process.log2.event_log_access
Number of access events skipped	proxy.process.log2.event_log_access_skip
Number of error events logged	proxy.process.log2.event_log_error