2015-04-25
Additional charts
Host zm08.stanford.edu: Total CPU
avg(user) = 7.40 avg(sys) = 0.44 avg(idle) = 90.00 avg(iowait) = 2.11 avg(nice) = 0.00 avg(irq) = 0.00 avg(softirq) = 0.03
Host zm08.stanford.edu: Individual CPU user time
avg(cpu0) = 13.82 avg(cpu1) = 20.71 avg(cpu2) = 6.73 avg(cpu3) = 6.04 avg(cpu4) = 3.23 avg(cpu5) = 4.95 avg(cpu6) = 3.35 avg(cpu7) = 19.04 avg(cpu8) = 6.88 avg(cpu9) = 12.13 avg(cpu10) = 6.46 avg(cpu11) = 8.46 avg(cpu12) = 5.58 avg(cpu13) = 11.35 avg(cpu14) = 3.74 avg(cpu15) = 4.25 avg(cpu16) = 14.45 avg(cpu17) = 4.25 avg(cpu18) = 3.61 avg(cpu19) = 5.43 avg(cpu20) = 2.37 avg(cpu21) = 5.78 avg(cpu22) = 2.78 avg(cpu23) = 2.27
Host zm08.stanford.edu: Individual CPU nice time
avg(cpu0) = 0.00 avg(cpu1) = 0.00 avg(cpu2) = 0.00 avg(cpu3) = 0.00 avg(cpu4) = 0.00 avg(cpu5) = 0.00 avg(cpu6) = 0.00 avg(cpu7) = 0.00 avg(cpu8) = 0.00 avg(cpu9) = 0.00 avg(cpu10) = 0.00 avg(cpu11) = 0.00 avg(cpu12) = 0.00 avg(cpu13) = 0.00 avg(cpu14) = 0.00 avg(cpu15) = 0.00 avg(cpu16) = 0.00 avg(cpu17) = 0.00 avg(cpu18) = 0.00 avg(cpu19) = 0.00 avg(cpu20) = 0.00 avg(cpu21) = 0.00 avg(cpu22) = 0.00 avg(cpu23) = 0.00
Host zm08.stanford.edu: Individual CPU sys time
avg(cpu0) = 1.10 avg(cpu1) = 0.88 avg(cpu2) = 0.67 avg(cpu3) = 0.51 avg(cpu4) = 0.45 avg(cpu5) = 0.44 avg(cpu6) = 0.34 avg(cpu7) = 0.20 avg(cpu8) = 0.20 avg(cpu9) = 0.14 avg(cpu10) = 0.17 avg(cpu11) = 0.15 avg(cpu12) = 0.60 avg(cpu13) = 0.38 avg(cpu14) = 0.61 avg(cpu15) = 0.54 avg(cpu16) = 1.20 avg(cpu17) = 0.53 avg(cpu18) = 0.44 avg(cpu19) = 0.20 avg(cpu20) = 0.22 avg(cpu21) = 0.15 avg(cpu22) = 0.15 avg(cpu23) = 0.17
Host zm08.stanford.edu: Individual CPU idle time
avg(cpu0) = 66.67 avg(cpu1) = 61.19 avg(cpu2) = 91.54 avg(cpu3) = 92.11 avg(cpu4) = 95.75 avg(cpu5) = 93.75 avg(cpu6) = 96.06 avg(cpu7) = 80.44 avg(cpu8) = 92.79 avg(cpu9) = 87.59 avg(cpu10) = 93.30 avg(cpu11) = 91.28 avg(cpu12) = 89.26 avg(cpu13) = 83.48 avg(cpu14) = 95.32 avg(cpu15) = 94.87 avg(cpu16) = 84.07 avg(cpu17) = 94.77 avg(cpu18) = 95.70 avg(cpu19) = 94.28 avg(cpu20) = 97.37 avg(cpu21) = 94.01 avg(cpu22) = 97.03 avg(cpu23) = 97.37
Host zm08.stanford.edu: Individual CPU iowait time
avg(cpu0) = 18.23 avg(cpu1) = 17.06 avg(cpu2) = 0.96 avg(cpu3) = 1.27 avg(cpu4) = 0.52 avg(cpu5) = 0.81 avg(cpu6) = 0.20 avg(cpu7) = 0.29 avg(cpu8) = 0.10 avg(cpu9) = 0.12 avg(cpu10) = 0.05 avg(cpu11) = 0.10 avg(cpu12) = 4.50 avg(cpu13) = 4.76 avg(cpu14) = 0.28 avg(cpu15) = 0.29 avg(cpu16) = 0.13 avg(cpu17) = 0.40 avg(cpu18) = 0.20 avg(cpu19) = 0.08 avg(cpu20) = 0.02 avg(cpu21) = 0.04 avg(cpu22) = 0.03 avg(cpu23) = 0.15
Host zm08.stanford.edu: Individual CPU irq time
avg(cpu0) = 0.00 avg(cpu1) = 0.00 avg(cpu2) = 0.00 avg(cpu3) = 0.00 avg(cpu4) = 0.00 avg(cpu5) = 0.00 avg(cpu6) = 0.00 avg(cpu7) = 0.00 avg(cpu8) = 0.00 avg(cpu9) = 0.00 avg(cpu10) = 0.00 avg(cpu11) = 0.00 avg(cpu12) = 0.00 avg(cpu13) = 0.00 avg(cpu14) = 0.00 avg(cpu15) = 0.00 avg(cpu16) = 0.00 avg(cpu17) = 0.00 avg(cpu18) = 0.00 avg(cpu19) = 0.00 avg(cpu20) = 0.00 avg(cpu21) = 0.00 avg(cpu22) = 0.00 avg(cpu23) = 0.00
Host zm08.stanford.edu: Individual CPU softirq time
avg(cpu0) = 0.18 avg(cpu1) = 0.15 avg(cpu2) = 0.08 avg(cpu3) = 0.05 avg(cpu4) = 0.03 avg(cpu5) = 0.04 avg(cpu6) = 0.03 avg(cpu7) = 0.01 avg(cpu8) = 0.01 avg(cpu9) = 0.01 avg(cpu10) = 0.01 avg(cpu11) = 0.00 avg(cpu12) = 0.05 avg(cpu13) = 0.01 avg(cpu14) = 0.04 avg(cpu15) = 0.04 avg(cpu16) = 0.13 avg(cpu17) = 0.03 avg(cpu18) = 0.04 avg(cpu19) = 0.00 avg(cpu20) = 0.00 avg(cpu21) = 0.00 avg(cpu22) = 0.00 avg(cpu23) = 0.02
Host zm08.stanford.edu: Process CPU
avg(mailbox) = 6.63 avg(mysql) = 0.37 avg(stats) = 0.00
Host zm08.stanford.edu: Process Total Memory
avg(mailbox) = 21290.78 avg(mysql) = 18162.10 avg(stats) = 0.00
Host zm08.stanford.edu: Process Resident Memory
avg(mailbox) = 8920.42 avg(mysql) = 17893.05 avg(stats) = 0.00
Host zm08.stanford.edu: Virtual Memory
avg(swapped) = 14.40 avg(free) = 2650.47 avg(active) = 38674.75 avg(inactive) = 21237.53 avg(page cache) = 29138.50
Host zm08.stanford.edu: Context Switches
avg(context switches) = 6333.93
Host zm08.stanford.edu: Run/Blocked Process Queue Size, Load Average
avg(processes waiting for run time) = 2.40 avg(processes waiting for io time) = 0.75 avg(load average (1 min)) = 2.67
Host zm08.stanford.edu: Disk Utilization (Top 10 avg)
avg(sdf) = 14.19 avg(dm-0) = 3.04 avg(sdg) = 9.71 avg(dm-1) = 12.11 avg(sdl) = 14.20 avg(sdh) = 9.78 avg(dm-4) = 23.32 avg(dm-3) = 13.25 avg(sdm) = 9.72 avg(sdn) = 9.76
Host zm08.stanford.edu: Disk Throughput: /dev/sde
avg(sde read) = 0.19 avg(sde write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdf
avg(sdf read) = 426.68 avg(sdf write) = 496.26
Host zm08.stanford.edu: Disk Throughput: /dev/sda
avg(sda read) = 0.19 avg(sda write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdk
avg(sdk read) = 22.25 avg(sdk write) = 33.50
Host zm08.stanford.edu: Disk Throughput: /dev/sdt
avg(sdt read) = 0.19 avg(sdt write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdq
avg(sdq read) = 0.19 avg(sdq write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdj
avg(sdj read) = 0.39 avg(sdj write) = 57.30
Host zm08.stanford.edu: Disk Throughput: /dev/dm-0
avg(dm-0 read) = 681.44 avg(dm-0 write) = 693.38
Host zm08.stanford.edu: Disk Throughput: /dev/sdg
avg(sdg read) = 631.72 avg(sdg write) = 75.56
Host zm08.stanford.edu: Disk Throughput: /dev/dm-1
avg(dm-1 read) = 1262.43 avg(dm-1 write) = 152.27
Host zm08.stanford.edu: Disk Throughput: /dev/dm-2
avg(dm-2 read) = 0.39 avg(dm-2 write) = 115.17
Host zm08.stanford.edu: Disk Throughput: /dev/sdl
avg(sdl read) = 426.30 avg(sdl write) = 497.45
Host zm08.stanford.edu: Disk Throughput: /dev/sdc
avg(sdc read) = 0.19 avg(sdc write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdr
avg(sdr read) = 0.19 avg(sdr write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sds
avg(sds read) = 0.19 avg(sds write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdi
avg(sdi read) = 340.81 avg(sdi write) = 346.65
Host zm08.stanford.edu: Disk Throughput: /dev/sdh
avg(sdh read) = 791.79 avg(sdh write) = 0.15
Host zm08.stanford.edu: Disk Throughput: /dev/dm-4
avg(dm-4 read) = 852.59 avg(dm-4 write) = 993.72
Host zm08.stanford.edu: Disk Throughput: /dev/sdb
avg(sdb read) = 0.19 avg(sdb write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/dm-3
avg(dm-3 read) = 1583.56 avg(dm-3 write) = 0.32
Host zm08.stanford.edu: Disk Throughput: /dev/sdm
avg(sdm read) = 631.11 avg(sdm write) = 76.71
Host zm08.stanford.edu: Disk Throughput: /dev/sdp
avg(sdp read) = 0.39 avg(sdp write) = 57.88
Host zm08.stanford.edu: Disk Throughput: /dev/sdn
avg(sdn read) = 792.16 avg(sdn write) = 0.17
Host zm08.stanford.edu: Disk Throughput: /dev/sdu
avg(sdu read) = 0.19 avg(sdu write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdd
avg(sdd read) = 0.19 avg(sdd write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdo
avg(sdo read) = 341.03 avg(sdo write) = 346.73
Host zm08.stanford.edu: Disk IOPs: /dev/sde
avg(sde read) = 0.05 avg(sde write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdf
avg(sdf read) = 27.15 avg(sdf write) = 20.92
Host zm08.stanford.edu: Disk IOPs: /dev/sda
avg(sda read) = 0.05 avg(sda write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdk
avg(sdk read) = 0.83 avg(sdk write) = 1.60
Host zm08.stanford.edu: Disk IOPs: /dev/sdt
avg(sdt read) = 0.05 avg(sdt write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdq
avg(sdq read) = 0.05 avg(sdq write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdj
avg(sdj read) = 0.10 avg(sdj write) = 0.44
Host zm08.stanford.edu: Disk IOPs: /dev/dm-0
avg(dm-0 read) = 12.18 avg(dm-0 write) = 19.83
Host zm08.stanford.edu: Disk IOPs: /dev/sdg
avg(sdg read) = 35.91 avg(sdg write) = 4.69
Host zm08.stanford.edu: Disk IOPs: /dev/dm-1
avg(dm-1 read) = 71.72 avg(dm-1 write) = 9.39
Host zm08.stanford.edu: Disk IOPs: /dev/dm-2
avg(dm-2 read) = 0.10 avg(dm-2 write) = 0.88
Host zm08.stanford.edu: Disk IOPs: /dev/sdl
avg(sdl read) = 27.15 avg(sdl write) = 20.92
Host zm08.stanford.edu: Disk IOPs: /dev/sdc
avg(sdc read) = 0.05 avg(sdc write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdr
avg(sdr read) = 0.05 avg(sdr write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sds
avg(sds read) = 0.05 avg(sds write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdi
avg(sdi read) = 6.14 avg(sdi write) = 9.92
Host zm08.stanford.edu: Disk IOPs: /dev/sdh
avg(sdh read) = 16.27 avg(sdh write) = 0.02
Host zm08.stanford.edu: Disk IOPs: /dev/dm-4
avg(dm-4 read) = 54.20 avg(dm-4 write) = 41.84
Host zm08.stanford.edu: Disk IOPs: /dev/sdb
avg(sdb read) = 0.05 avg(sdb write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/dm-3
avg(dm-3 read) = 32.44 avg(dm-3 write) = 0.04
Host zm08.stanford.edu: Disk IOPs: /dev/sdm
avg(sdm read) = 35.91 avg(sdm write) = 4.69
Host zm08.stanford.edu: Disk IOPs: /dev/sdp
avg(sdp read) = 0.10 avg(sdp write) = 0.44
Host zm08.stanford.edu: Disk IOPs: /dev/sdn
avg(sdn read) = 16.27 avg(sdn write) = 0.02
Host zm08.stanford.edu: Disk IOPs: /dev/sdu
avg(sdu read) = 0.05 avg(sdu write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdd
avg(sdd read) = 0.05 avg(sdd write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdo
avg(sdo read) = 6.14 avg(sdo write) = 9.92
Host zm08.stanford.edu: Disk Usage
avg(/opt/zimbra/redo-mysql) = 41.69 avg(/usr/vice/cache) = 13.18 avg(/opt/zimbra/store) = 90.00 avg(/opt/zimbra) = 71.00 avg(/opt/zimbra/hsm1) = 88.00 avg(/) = 8.01 avg(/opt/zimbra/redolog) = 16.44
Host zm08.stanford.edu: Open file descriptor count
avg(total system file descriptors open) = 6638.54 avg(mailboxd file descriptors open) = 3264.40
Host zm08.stanford.edu: Process CPU Time (Top 10 avg)
avg(updatedb) = 28.06 avg(java) = 2021.93 avg(gzip) = 2473.91 avg(mysqld) = 266.72 avg(perl) = 22.94 avg(mysqldump) = 136.67 avg(zmmailboxd) = 4777.68 avg(zmstat-allprocs) = 12.19 avg(horsewatcher-fe) = 25.71 avg(zmcompresslogs) = 1075.14
Host zm08.stanford.edu: SOAP: Invocation Count: Summary (Top 10 max)
max(SearchRequest) = 68.00 max(GetContactsRequest) = 864.00 max(MsgActionRequest.delete) = 231.00 max(NoOpRequest) = 78.00 max(WaitSetRequest) = 63.00 max(ConvActionRequest.read) = 30.00 max(SearchConvRequest) = 30.00 max(GetFolderRequest) = 197.00 max(SyncRequest) = 92.00 max(GetAppointmentRequest) = 40.00
Host zm08.stanford.edu: SOAP: Average Call Duration: Summary (Top 10 avg)
avg(SendMsgRequest) = 506.96 avg(DeleteAccountRequest) = 6417.67 avg(BackupQueryRequest) = 457.60 avg(GetAggregateQuotaUsageOnServerRequest) = 962.00 avg(BrowseRequest) = 248.80 avg(SendInviteReplyRequest) = 866.25 avg(ItemActionRequest.delete) = 480.00 avg(ApplyFilterRulesRequest) = 3999.00 avg(FolderActionRequest.empty) = 790.00 avg(GetQuotaUsageRequest) = 1106.00
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Pages
avg(pages read) = 247512675.11 avg(pages written) = 87965649.23
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Hit Rate
avg(buffer pool hit rate) = 999.00
Host zm08.stanford.edu: MySQL: Database Connections In Use
avg(connections in use) = 0.29
Host zm08.stanford.edu: MySQL: Tables Open/Opened
avg(open_tables) = 1189.92 avg(opened_tables (cumulative)) = 248569.25
Host zm08.stanford.edu: MySQL: Total Slow Queries Count
avg(slow queries (cumulative)) = 312102.89
Host zm08.stanford.edu: Mailboxd: Connection Pool Get Latency
avg(mysql) = 0.18 avg(ldap) = 0.62
Host zm08.stanford.edu: Mailboxd: Lucene IO
avg(Index writes) = 24.41 avg(Index reads) = 62.26
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Throughput
avg(received) = 49.64 avg(delivered) = 57.36
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Rate
avg(received msgs) = 0.36 avg(delivered msgs) = 0.40 avg(received x rcpts) = 0.42
Host zm08.stanford.edu: Mailboxd: Mailbox Add Rate (Delivery Rate)
avg(mailbox add rate) = 0.51
Host zm08.stanford.edu: Mailboxd: Mailbox Add Latency (Delivery Speed)
avg(mailbox add latency) = 64.69
Host zm08.stanford.edu: Mailboxd: Request Rate by Client Protocol
avg(SOAP) = 4.45 avg(IMAP) = 55.99 avg(POP) = 3.29
Host zm08.stanford.edu: Mailboxd: Response Time by Client Protocol
avg(SOAP) = 312.69 avg(IMAP) = 26.71 avg(POP) = 50.02
Host zm08.stanford.edu: Mailboxd: Active Connections by Client Protocol
avg(IMAP) = 117.12 avg(IMAP SSL) = 465.40 avg(POP) = 0.08 avg(POP SSL) = 1.24 avg(SOAP sessions) = 235.12
Host zm08.stanford.edu: Mailboxd: Mailbox Get Count
avg(mailbox get count) = 3097.17
Host zm08.stanford.edu: Mailboxd: Mailbox Get Latency
avg(mailbox get latency) = 0.00
Host zm08.stanford.edu: Mailboxd: Mailbox Cache Hit Rate
avg(mailbox cache hit rate) = 99.99
Host zm08.stanford.edu: Mailboxd: Mailbox Item/Blob Cache Hit Rate
avg(msg blob cache) = 38.37 avg(item metadata cache) = 48.38
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Time
avg(minor GC time) = 0.38
Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Time
avg(major GC time) = 0.02
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Count
avg(minor GC count) = 10.19
Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Count
avg(major GC count) = 0.01
Host zm08.stanford.edu: Mailboxd: JVM Heap Used
avg(total) = 4829.73 avg(PS Old Gen) = 0.00 avg(CMS Old Gen) = 3977.72 avg(Tenured Gen) = 0.00 avg(Train Gen) = 0.00 avg(PS Eden Space) = 0.00 avg(PS Survivor Space) = 0.00 avg(Par Eden Space) = 808.59 avg(Par Survivor Space) = 43.43 avg(Eden Space) = 0.00 avg(Survivor Space) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Heap Free
avg(total free) = 2997.58 avg(PS Old Gen free) = 0.00 avg(CMS Old Gen free) = 2043.28 avg(Tenured Gen free) = 0.00 avg(Train Gen free) = 0.00 avg(PS Eden Space free) = 0.00 avg(PS Survivor Space free) = 0.00 avg(Par Eden Space free) = 797.04 avg(Par Survivor Space free) = 157.26 avg(Eden Space free) = 0.00 avg(Survivor Space free) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Permanent Generation and Code Cache
avg(PS Perm Gen) = 0.00 avg(Perm Gen) = 0.00 avg(CMS Perm Gen) = 140.74 avg(Code Cache) = 35.34 avg(Perm Gen [shared-ro]) = 0.00 avg(Perm Gen [shared-rw]) = 0.00 avg(PS Perm Gen free) = 0.00 avg(Perm Gen free) = 0.00 avg(CMS Perm Gen free) = 105.37 avg(Code Cache free) = 11.28 avg(Perm Gen [shared-ro] free) = 0.00 avg(Perm Gen [shared-rw] free) = 0.00
Host zm08.stanford.edu: convertd: CPU time used
avg(total cputime) = 0.07 avg(user time) = 0.06 avg(system time) = 0.01
Host zm08.stanford.edu: convertd: Resident Memory
avg(convertd rss) = 173.97
Host zm08.stanford.edu: convertd: Processes and Threads
avg(processes) = 5.63 avg(threads) = 5.63
No data available for the following charts:
Host zm08.stanford.edu: Swap Activity
Host zm08.stanford.edu: Disk Throughput: /dev/dm-7
Host zm08.stanford.edu: Disk Throughput: /dev/sdx
Host zm08.stanford.edu: Disk Throughput: /dev/sdab
Host zm08.stanford.edu: Disk Throughput: /dev/sdaa
Host zm08.stanford.edu: Disk Throughput: /dev/sdad
Host zm08.stanford.edu: Disk Throughput: /dev/sdag
Host zm08.stanford.edu: Disk Throughput: /dev/sdaf
Host zm08.stanford.edu: Disk Throughput: /dev/sdy
Host zm08.stanford.edu: Disk Throughput: /dev/sdv
Host zm08.stanford.edu: Disk Throughput: /dev/sdac
Host zm08.stanford.edu: Disk Throughput: /dev/dm-5
Host zm08.stanford.edu: Disk Throughput: /dev/sdw
Host zm08.stanford.edu: Disk Throughput: /dev/sdae
Host zm08.stanford.edu: Disk Throughput: /dev/dm-6
Host zm08.stanford.edu: Disk Throughput: /dev/sdz
Host zm08.stanford.edu: Disk IOPs: /dev/dm-7
Host zm08.stanford.edu: Disk IOPs: /dev/sdx
Host zm08.stanford.edu: Disk IOPs: /dev/sdab
Host zm08.stanford.edu: Disk IOPs: /dev/sdaa
Host zm08.stanford.edu: Disk IOPs: /dev/sdad
Host zm08.stanford.edu: Disk IOPs: /dev/sdag
Host zm08.stanford.edu: Disk IOPs: /dev/sdaf
Host zm08.stanford.edu: Disk IOPs: /dev/sdy
Host zm08.stanford.edu: Disk IOPs: /dev/sdv
Host zm08.stanford.edu: Disk IOPs: /dev/sdac
Host zm08.stanford.edu: Disk IOPs: /dev/dm-5
Host zm08.stanford.edu: Disk IOPs: /dev/sdw
Host zm08.stanford.edu: Disk IOPs: /dev/sdae
Host zm08.stanford.edu: Disk IOPs: /dev/dm-6
Host zm08.stanford.edu: Disk IOPs: /dev/sdz
Host zm08.stanford.edu: Mailboxd: Dirty Lucene Index Writers
Host zm08.stanford.edu: Mailboxd: Lucene IndexWriterCache Hitrate
Host zm08.stanford.edu: nginx: CPU time used
Host zm08.stanford.edu: nginx: Resident Memory
Host zm08.stanford.edu: nginx: Processes and Threads