ixD. Probes 253D.1. Probe Guidelines ..................................................................................................... 253D.2. Apache 1.3.x and 2.0.x ............................................................................................ 254D.2.1. Apache::Processes ........................................................................................ 254D.2.2. Apache::Traffic .............................................................................................. 255D.2.3. Apache::Uptime ............................................................................................. 255D.3. BEA WebLogic 6.x and higher .................................................................................. 256D.3.1. BEA WebLogic::Execute Queue ..................................................................... 256D.3.2. BEA WebLogic::Heap Free ............................................................................ 257D.3.3. BEA WebLogic::JDBC Connection Pool .......................................................... 257D.3.4. BEA WebLogic::Server State ......................................................................... 258D.3.5. BEA WebLogic::Servlet .................................................................................. 258D.4. General ................................................................................................................... 259D.4.1. General::Remote Program ............................................................................. 259D.4.2. General::Remote Program with Data .............................................................. 259D.4.3. General::SNMP Check ................................................................................... 260D.4.4. General::TCP Check ...................................................................................... 261D.4.5. General::UDP Check ..................................................................................... 261D.4.6. General::Uptime (SNMP) ............................................................................... 262D.5. Linux ....................................................................................................................... 262D.5.1. Linux::CPU Usage ......................................................................................... 262D.5.2. Linux::Disk IO Throughput ............................................................................. 262D.5.3. Linux::Disk Usage ......................................................................................... 263D.5.4. Linux::Inodes ................................................................................................. 263D.5.5. Linux::Interface Traffic .................................................................................... 264D.5.6. Linux::Load ................................................................................................... 264D.5.7. Linux::Memory Usage .................................................................................... 265D.5.8. Linux::Process Counts by State ...................................................................... 265D.5.9. Linux::Process Count Total ............................................................................ 266D.5.10. Linux::Process Health .................................................................................. 266D.5.11. Linux::Process Running ................................................................................ 267D.5.12. Linux::Swap Usage ...................................................................................... 268D.5.13. Linux::TCP Connections by State ................................................................. 268D.5.14. Linux::Users ................................................................................................ 269D.5.15. Linux::Virtual Memory .................................................................................. 269D.6. LogAgent ................................................................................................................. 270D.6.1. LogAgent::Log Pattern Match ......................................................................... 270D.6.2. LogAgent::Log Size ....................................................................................... 271D.7. MySQL 3.23 - 3.33 .................................................................................................. 272D.7.1. MySQL::Database Accessibility ...................................................................... 272D.7.2. MySQL::Opened Tables ................................................................................. 272D.7.3. MySQL::Open Tables ..................................................................................... 273D.7.4. MySQL::Query Rate ...................................................................................... 273D.7.5. MySQL::Threads Running .............................................................................. 273D.8. Network Services ..................................................................................................... 274D.8.1. Network Services::DNS Lookup ...................................................................... 274D.8.2. Network Services::FTP .................................................................................. 274D.8.3. Network Services::IMAP Mail ......................................................................... 275D.8.4. Network Services::Mail Transfer (SMTP) ......................................................... 275D.8.5. Network Services::Ping .................................................................................. 275D.8.6. Network Services::POP Mail .......................................................................... 276