2014-12-06
Additional charts
Host zm08.stanford.edu: Total CPU
avg(user) = 3.40 avg(sys) = 0.52 avg(idle) = 93.99 avg(iowait) = 2.02 avg(nice) = 0.00 avg(irq) = 0.00 avg(softirq) = 0.06
Host zm08.stanford.edu: Individual CPU user time
avg(cpu0) = 9.84 avg(cpu1) = 8.93 avg(cpu2) = 4.96 avg(cpu3) = 4.00 avg(cpu4) = 3.04 avg(cpu5) = 2.33 avg(cpu6) = 2.18 avg(cpu7) = 1.50 avg(cpu8) = 1.29 avg(cpu9) = 0.78 avg(cpu10) = 6.39 avg(cpu11) = 0.73 avg(cpu12) = 2.42 avg(cpu13) = 2.72 avg(cpu14) = 3.79 avg(cpu15) = 3.84 avg(cpu16) = 2.75 avg(cpu17) = 3.12 avg(cpu18) = 10.23 avg(cpu19) = 2.34 avg(cpu20) = 1.87 avg(cpu21) = 0.64 avg(cpu22) = 1.55 avg(cpu23) = 0.49
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) = 1.17 avg(cpu1) = 1.12 avg(cpu2) = 0.86 avg(cpu3) = 0.73 avg(cpu4) = 0.66 avg(cpu5) = 0.49 avg(cpu6) = 0.39 avg(cpu7) = 0.30 avg(cpu8) = 0.24 avg(cpu9) = 0.17 avg(cpu10) = 0.67 avg(cpu11) = 0.17 avg(cpu12) = 0.39 avg(cpu13) = 0.41 avg(cpu14) = 0.76 avg(cpu15) = 0.81 avg(cpu16) = 0.47 avg(cpu17) = 0.56 avg(cpu18) = 0.78 avg(cpu19) = 0.39 avg(cpu20) = 0.30 avg(cpu21) = 0.19 avg(cpu22) = 0.26 avg(cpu23) = 0.17
Host zm08.stanford.edu: Individual CPU idle time
avg(cpu0) = 76.88 avg(cpu1) = 72.97 avg(cpu2) = 93.26 avg(cpu3) = 94.68 avg(cpu4) = 95.89 avg(cpu5) = 96.91 avg(cpu6) = 97.28 avg(cpu7) = 98.11 avg(cpu8) = 98.40 avg(cpu9) = 98.99 avg(cpu10) = 80.22 avg(cpu11) = 99.07 avg(cpu12) = 96.03 avg(cpu13) = 94.53 avg(cpu14) = 95.26 avg(cpu15) = 95.08 avg(cpu16) = 96.66 avg(cpu17) = 96.21 avg(cpu18) = 88.73 avg(cpu19) = 97.17 avg(cpu20) = 97.76 avg(cpu21) = 99.14 avg(cpu22) = 97.11 avg(cpu23) = 99.33
Host zm08.stanford.edu: Individual CPU iowait time
avg(cpu0) = 11.92 avg(cpu1) = 16.77 avg(cpu2) = 0.76 avg(cpu3) = 0.46 avg(cpu4) = 0.29 avg(cpu5) = 0.19 avg(cpu6) = 0.10 avg(cpu7) = 0.06 avg(cpu8) = 0.04 avg(cpu9) = 0.04 avg(cpu10) = 12.64 avg(cpu11) = 0.02 avg(cpu12) = 1.12 avg(cpu13) = 2.31 avg(cpu14) = 0.13 avg(cpu15) = 0.21 avg(cpu16) = 0.07 avg(cpu17) = 0.08 avg(cpu18) = 0.13 avg(cpu19) = 0.07 avg(cpu20) = 0.04 avg(cpu21) = 0.01 avg(cpu22) = 1.06 avg(cpu23) = 0.01
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) = 0.21 avg(cpu2) = 0.15 avg(cpu3) = 0.11 avg(cpu4) = 0.11 avg(cpu5) = 0.06 avg(cpu6) = 0.04 avg(cpu7) = 0.02 avg(cpu8) = 0.02 avg(cpu9) = 0.01 avg(cpu10) = 0.07 avg(cpu11) = 0.01 avg(cpu12) = 0.03 avg(cpu13) = 0.02 avg(cpu14) = 0.04 avg(cpu15) = 0.04 avg(cpu16) = 0.03 avg(cpu17) = 0.02 avg(cpu18) = 0.12 avg(cpu19) = 0.02 avg(cpu20) = 0.02 avg(cpu21) = 0.00 avg(cpu22) = 0.01 avg(cpu23) = 0.00
Host zm08.stanford.edu: Process CPU
avg(mailbox) = 2.60 avg(mysql) = 0.55 avg(stats) = 0.00
Host zm08.stanford.edu: Process Total Memory
avg(mailbox) = 21258.54 avg(mysql) = 18108.80 avg(stats) = 0.00
Host zm08.stanford.edu: Process Resident Memory
avg(mailbox) = 8882.12 avg(mysql) = 17833.69 avg(stats) = 0.00
Host zm08.stanford.edu: Virtual Memory
avg(swapped) = 17.41 avg(free) = 1327.56 avg(active) = 37437.33 avg(inactive) = 23658.45 avg(page cache) = 29752.57
Host zm08.stanford.edu: Context Switches
avg(context switches) = 9156.34
Host zm08.stanford.edu: Run/Blocked Process Queue Size, Load Average
avg(processes waiting for run time) = 1.69 avg(processes waiting for io time) = 0.76 avg(load average (1 min)) = 1.95
Host zm08.stanford.edu: Disk Utilization (Top 10 avg)
avg(sde) = 15.61 avg(sdf) = 10.61 avg(sdk) = 10.60 avg(sdj) = 15.56 avg(dm-0) = 1.56 avg(sdg) = 10.21 avg(dm-1) = 14.00 avg(dm-2) = 25.65 avg(sdl) = 10.19 avg(dm-3) = 14.03
Host zm08.stanford.edu: Disk Throughput: /dev/sde
avg(sde read) = 636.11 avg(sde write) = 482.11
Host zm08.stanford.edu: Disk Throughput: /dev/sdf
avg(sdf read) = 664.74 avg(sdf write) = 120.61
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) = 664.58 avg(sdk write) = 121.17
Host zm08.stanford.edu: Disk Throughput: /dev/sdt
avg(sdt read) = 0.34 avg(sdt write) = 55.17
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) = 636.21 avg(sdj write) = 482.48
Host zm08.stanford.edu: Disk Throughput: /dev/dm-0
avg(dm-0 read) = 681.80 avg(dm-0 write) = 610.20
Host zm08.stanford.edu: Disk Throughput: /dev/sdg
avg(sdg read) = 758.07 avg(sdg write) = 292.40
Host zm08.stanford.edu: Disk Throughput: /dev/dm-1
avg(dm-1 read) = 1328.92 avg(dm-1 write) = 241.78
Host zm08.stanford.edu: Disk Throughput: /dev/dm-2
avg(dm-2 read) = 1271.92 avg(dm-2 write) = 964.58
Host zm08.stanford.edu: Disk Throughput: /dev/sdl
avg(sdl read) = 758.08 avg(sdl write) = 295.46
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) = 0.34 avg(sds write) = 55.05
Host zm08.stanford.edu: Disk Throughput: /dev/sdi
avg(sdi read) = 21.14 avg(sdi write) = 35.91
Host zm08.stanford.edu: Disk Throughput: /dev/sdh
avg(sdh read) = 341.32 avg(sdh write) = 304.83
Host zm08.stanford.edu: Disk Throughput: /dev/dm-4
avg(dm-4 read) = 0.28 avg(dm-4 write) = 110.22
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) = 1515.76 avg(dm-3 write) = 587.86
Host zm08.stanford.edu: Disk Throughput: /dev/sdm
avg(sdm read) = 340.87 avg(sdm write) = 305.38
Host zm08.stanford.edu: Disk Throughput: /dev/sdp
avg(sdp read) = 0.19 avg(sdp write) = 0.00
Host zm08.stanford.edu: Disk Throughput: /dev/sdn
avg(sdn read) = 0.19 avg(sdn write) = 0.00
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) = 0.19 avg(sdo write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sde
avg(sde read) = 35.11 avg(sde write) = 20.18
Host zm08.stanford.edu: Disk IOPs: /dev/sdf
avg(sdf read) = 45.70 avg(sdf write) = 13.21
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) = 45.70 avg(sdk write) = 13.21
Host zm08.stanford.edu: Disk IOPs: /dev/sdt
avg(sdt read) = 0.08 avg(sdt write) = 0.43
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) = 35.11 avg(sdj write) = 20.19
Host zm08.stanford.edu: Disk IOPs: /dev/dm-0
avg(dm-0 read) = 11.67 avg(dm-0 write) = 10.51
Host zm08.stanford.edu: Disk IOPs: /dev/sdg
avg(sdg read) = 17.05 avg(sdg write) = 8.13
Host zm08.stanford.edu: Disk IOPs: /dev/dm-1
avg(dm-1 read) = 91.29 avg(dm-1 write) = 26.42
Host zm08.stanford.edu: Disk IOPs: /dev/dm-2
avg(dm-2 read) = 70.11 avg(dm-2 write) = 40.37
Host zm08.stanford.edu: Disk IOPs: /dev/sdl
avg(sdl read) = 17.05 avg(sdl write) = 8.13
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) = 0.08 avg(sds write) = 0.43
Host zm08.stanford.edu: Disk IOPs: /dev/sdi
avg(sdi read) = 0.67 avg(sdi write) = 1.68
Host zm08.stanford.edu: Disk IOPs: /dev/sdh
avg(sdh read) = 5.89 avg(sdh write) = 5.25
Host zm08.stanford.edu: Disk IOPs: /dev/dm-4
avg(dm-4 read) = 0.07 avg(dm-4 write) = 0.86
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) = 34.01 avg(dm-3 write) = 16.26
Host zm08.stanford.edu: Disk IOPs: /dev/sdm
avg(sdm read) = 5.89 avg(sdm write) = 5.25
Host zm08.stanford.edu: Disk IOPs: /dev/sdp
avg(sdp read) = 0.05 avg(sdp write) = 0.00
Host zm08.stanford.edu: Disk IOPs: /dev/sdn
avg(sdn read) = 0.05 avg(sdn write) = 0.00
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) = 0.05 avg(sdo write) = 0.00
Host zm08.stanford.edu: Disk Usage
avg(/opt/zimbra/redo-mysql) = 35.88 avg(/usr/vice/cache) = 13.01 avg(/opt/zimbra/store) = 63.74 avg(/opt/zimbra) = 64.12 avg(/opt/zimbra/hsm1) = 86.65 avg(/) = 9.01 avg(/opt/zimbra/redolog) = 15.39
Host zm08.stanford.edu: Open file descriptor count
avg(total system file descriptors open) = 6808.75 avg(mailboxd file descriptors open) = 3407.84
Host zm08.stanford.edu: Process CPU Time (Top 10 avg)
avg(tripwire) = 2144.00 avg(updatedb) = 45.35 avg(java) = 2093.91 avg(gzip) = 2525.24 avg(mysqld) = 403.36 avg(perl) = 19.55 avg(mysqldump) = 165.22 avg(zmmailboxd) = 1875.50 avg(horsewatcher-fe) = 21.17 avg(zmcompresslogs) = 1704.36
Host zm08.stanford.edu: SOAP: Invocation Count: Summary (Top 10 max)
max(MsgActionRequest.move) = 165.00 max(SearchRequest) = 79.00 max(GetContactsRequest) = 44.00 max(MsgActionRequest.delete) = 50.00 max(NoOpRequest) = 93.00 max(WaitSetRequest) = 55.00 max(AddMsgRequest) = 45.00 max(GetFolderRequest) = 317.00 max(SyncRequest) = 93.00 max(GetEffectiveFolderPermsRequest) = 77.00
Host zm08.stanford.edu: SOAP: Average Call Duration: Summary (Top 10 avg)
avg(SendMsgRequest) = 477.98 avg(MsgActionRequest.delete) = 158.16 avg(BackupQueryRequest) = 413.20 avg(GetAggregateQuotaUsageOnServerRequest) = 3324.00 avg(BrowseRequest) = 157.00 avg(SendInviteReplyRequest) = 551.00 avg(AutoCompleteRequest) = 173.82 avg(ConvActionRequest.move) = 5021.81 avg(FolderActionRequest.empty) = 170.14 avg(GetQuotaUsageRequest) = 4018.00
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Pages
avg(pages read) = 106989937.67 avg(pages written) = 40047596.39
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Hit Rate
avg(buffer pool hit rate) = 999.60
Host zm08.stanford.edu: MySQL: Database Connections In Use
avg(connections in use) = 0.52
Host zm08.stanford.edu: MySQL: Tables Open/Opened
avg(open_tables) = 1191.44 avg(opened_tables (cumulative)) = 137114.90
Host zm08.stanford.edu: MySQL: Total Slow Queries Count
avg(slow queries (cumulative)) = 397396.20
Host zm08.stanford.edu: Mailboxd: Connection Pool Get Latency
avg(mysql) = 0.16 avg(ldap) = 0.01
Host zm08.stanford.edu: Mailboxd: Lucene IO
avg(Index writes) = 25.71 avg(Index reads) = 52.87
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Throughput
avg(received) = 55.31 avg(delivered) = 51.42
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Rate
avg(received msgs) = 0.39 avg(delivered msgs) = 0.46 avg(received x rcpts) = 0.47
Host zm08.stanford.edu: Mailboxd: Mailbox Add Rate (Delivery Rate)
avg(mailbox add rate) = 0.58
Host zm08.stanford.edu: Mailboxd: Mailbox Add Latency (Delivery Speed)
avg(mailbox add latency) = 56.73
Host zm08.stanford.edu: Mailboxd: Request Rate by Client Protocol
avg(SOAP) = 5.48 avg(IMAP) = 40.26 avg(POP) = 1.66
Host zm08.stanford.edu: Mailboxd: Response Time by Client Protocol
avg(SOAP) = 254.86 avg(IMAP) = 24.02 avg(POP) = 59.96
Host zm08.stanford.edu: Mailboxd: Active Connections by Client Protocol
avg(IMAP) = 136.44 avg(IMAP SSL) = 543.48 avg(POP) = 0.04 avg(POP SSL) = 1.00 avg(SOAP sessions) = 161.60
Host zm08.stanford.edu: Mailboxd: Mailbox Get Count
avg(mailbox get count) = 2597.26
Host zm08.stanford.edu: Mailboxd: Mailbox Get Latency
avg(mailbox get latency) = 0.02
Host zm08.stanford.edu: Mailboxd: Mailbox Cache Hit Rate
avg(mailbox cache hit rate) = 99.91
Host zm08.stanford.edu: Mailboxd: Mailbox Item/Blob Cache Hit Rate
avg(msg blob cache) = 46.38 avg(item metadata cache) = 41.11
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Time
avg(minor GC time) = 0.24
Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Time
avg(major GC time) = 0.00
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Count
avg(minor GC count) = 6.04
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) = 4589.65 avg(PS Old Gen) = 0.00 avg(CMS Old Gen) = 3696.55 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) = 817.05 avg(Par Survivor Space) = 76.05 avg(Eden Space) = 0.00 avg(Survivor Space) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Heap Free
avg(total free) = 3237.66 avg(PS Old Gen free) = 0.00 avg(CMS Old Gen free) = 2324.45 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) = 788.57 avg(Par Survivor Space free) = 124.64 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) = 134.52 avg(Code Cache) = 39.69 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) = 96.80 avg(Code Cache free) = 6.87 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) = 0.08 avg(user time) = 0.08 avg(system time) = 0.01
Host zm08.stanford.edu: convertd: Resident Memory
avg(convertd rss) = 155.72
Host zm08.stanford.edu: convertd: Processes and Threads
avg(processes) = 5.85 avg(threads) = 5.85
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