2015-01-11
Additional charts
Host zm08.stanford.edu: Total CPU
avg(user) = 2.99 avg(sys) = 0.44 avg(idle) = 94.19 avg(iowait) = 2.34 avg(nice) = 0.00 avg(irq) = 0.00 avg(softirq) = 0.03
Host zm08.stanford.edu: Individual CPU user time
avg(cpu0) = 10.70 avg(cpu1) = 10.08 avg(cpu2) = 3.30 avg(cpu3) = 2.58 avg(cpu4) = 2.14 avg(cpu5) = 2.54 avg(cpu6) = 1.10 avg(cpu7) = 1.07 avg(cpu8) = 0.85 avg(cpu9) = 1.90 avg(cpu10) = 0.70 avg(cpu11) = 1.98 avg(cpu12) = 3.92 avg(cpu13) = 3.17 avg(cpu14) = 3.35 avg(cpu15) = 2.29 avg(cpu16) = 12.92 avg(cpu17) = 1.76 avg(cpu18) = 0.80 avg(cpu19) = 1.95 avg(cpu20) = 0.57 avg(cpu21) = 0.86 avg(cpu22) = 0.50 avg(cpu23) = 0.81
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) = 1.05 avg(cpu1) = 1.05 avg(cpu2) = 0.57 avg(cpu3) = 0.50 avg(cpu4) = 0.39 avg(cpu5) = 0.46 avg(cpu6) = 0.22 avg(cpu7) = 0.25 avg(cpu8) = 0.22 avg(cpu9) = 0.32 avg(cpu10) = 0.15 avg(cpu11) = 0.31 avg(cpu12) = 0.59 avg(cpu13) = 0.52 avg(cpu14) = 0.73 avg(cpu15) = 0.59 avg(cpu16) = 1.04 avg(cpu17) = 0.38 avg(cpu18) = 0.19 avg(cpu19) = 0.36 avg(cpu20) = 0.16 avg(cpu21) = 0.21 avg(cpu22) = 0.13 avg(cpu23) = 0.19
Host zm08.stanford.edu: Individual CPU idle time
avg(cpu0) = 68.73 avg(cpu1) = 66.96 avg(cpu2) = 95.17 avg(cpu3) = 95.96 avg(cpu4) = 96.98 avg(cpu5) = 96.48 avg(cpu6) = 98.49 avg(cpu7) = 98.50 avg(cpu8) = 98.76 avg(cpu9) = 97.58 avg(cpu10) = 99.10 avg(cpu11) = 97.55 avg(cpu12) = 90.24 avg(cpu13) = 90.85 avg(cpu14) = 95.57 avg(cpu15) = 96.99 avg(cpu16) = 85.72 avg(cpu17) = 97.72 avg(cpu18) = 98.97 avg(cpu19) = 97.56 avg(cpu20) = 99.20 avg(cpu21) = 98.89 avg(cpu22) = 99.33 avg(cpu23) = 98.95
Host zm08.stanford.edu: Individual CPU iowait time
avg(cpu0) = 19.33 avg(cpu1) = 21.72 avg(cpu2) = 0.89 avg(cpu3) = 0.91 avg(cpu4) = 0.44 avg(cpu5) = 0.46 avg(cpu6) = 0.17 avg(cpu7) = 0.16 avg(cpu8) = 0.14 avg(cpu9) = 0.16 avg(cpu10) = 0.05 avg(cpu11) = 0.12 avg(cpu12) = 5.20 avg(cpu13) = 5.44 avg(cpu14) = 0.30 avg(cpu15) = 0.12 avg(cpu16) = 0.15 avg(cpu17) = 0.13 avg(cpu18) = 0.04 avg(cpu19) = 0.09 avg(cpu20) = 0.05 avg(cpu21) = 0.03 avg(cpu22) = 0.03 avg(cpu23) = 0.04
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) = 0.17 avg(cpu1) = 0.18 avg(cpu2) = 0.05 avg(cpu3) = 0.04 avg(cpu4) = 0.02 avg(cpu5) = 0.04 avg(cpu6) = 0.01 avg(cpu7) = 0.01 avg(cpu8) = 0.02 avg(cpu9) = 0.03 avg(cpu10) = 0.00 avg(cpu11) = 0.02 avg(cpu12) = 0.05 avg(cpu13) = 0.01 avg(cpu14) = 0.04 avg(cpu15) = 0.00 avg(cpu16) = 0.16 avg(cpu17) = 0.00 avg(cpu18) = 0.00 avg(cpu19) = 0.02 avg(cpu20) = 0.00 avg(cpu21) = 0.00 avg(cpu22) = 0.00 avg(cpu23) = 0.00
Host zm08.stanford.edu: Process CPU
avg(mailbox) = 2.24 avg(mysql) = 0.35 avg(stats) = 0.00
Host zm08.stanford.edu: Process Total Memory
avg(mailbox) = 21355.02 avg(mysql) = 18129.90 avg(stats) = 0.00
Host zm08.stanford.edu: Process Resident Memory
avg(mailbox) = 8876.79 avg(mysql) = 17855.67 avg(stats) = 0.00
Host zm08.stanford.edu: Virtual Memory
avg(swapped) = 2.12 avg(free) = 1426.43 avg(active) = 38626.85 avg(inactive) = 22419.22 avg(page cache) = 29623.51
Host zm08.stanford.edu: Context Switches
avg(context switches) = 5747.67
Host zm08.stanford.edu: Run/Blocked Process Queue Size, Load Average
avg(processes waiting for run time) = 1.24 avg(processes waiting for io time) = 0.91 avg(load average (1 min)) = 1.93
Host zm08.stanford.edu: Disk Utilization (Top 10 avg)
avg(sdf) = 18.81 avg(dm-0) = 9.52 avg(sdg) = 7.73 avg(dm-2) = 27.02 avg(sdl) = 18.80 avg(sdh) = 11.34 avg(dm-4) = 14.70 avg(dm-3) = 2.50 avg(sdm) = 7.73 avg(sdn) = 11.35
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) = 719.86 avg(sdf write) = 498.83
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) = 20.65 avg(sdk write) = 30.82
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) = 0.32 avg(sdj write) = 45.35
Host zm08.stanford.edu: Disk Throughput: /dev/dm-0
avg(dm-0 read) = 1020.44 avg(dm-0 write) = 209.98
Host zm08.stanford.edu: Disk Throughput: /dev/sdg
avg(sdg read) = 510.65 avg(sdg write) = 105.11
Host zm08.stanford.edu: Disk Throughput: /dev/dm-1
avg(dm-1 read) = 0.25 avg(dm-1 write) = 90.52
Host zm08.stanford.edu: Disk Throughput: /dev/dm-2
avg(dm-2 read) = 1439.19 avg(dm-2 write) = 996.31
Host zm08.stanford.edu: Disk Throughput: /dev/sdl
avg(sdl read) = 719.72 avg(sdl write) = 497.48
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) = 232.99 avg(sdi write) = 360.17
Host zm08.stanford.edu: Disk Throughput: /dev/sdh
avg(sdh read) = 969.36 avg(sdh write) = 0.45
Host zm08.stanford.edu: Disk Throughput: /dev/dm-4
avg(dm-4 read) = 1938.47 avg(dm-4 write) = 0.96
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) = 465.50 avg(dm-3 write) = 720.53
Host zm08.stanford.edu: Disk Throughput: /dev/sdm
avg(sdm read) = 510.19 avg(sdm write) = 104.87
Host zm08.stanford.edu: Disk Throughput: /dev/sdp
avg(sdp read) = 0.32 avg(sdp write) = 45.17
Host zm08.stanford.edu: Disk Throughput: /dev/sdn
avg(sdn read) = 969.51 avg(sdn write) = 0.50
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) = 232.91 avg(sdo write) = 360.36
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) = 45.53 avg(sdf write) = 20.78
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) = 0.80 avg(sdk write) = 1.62
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) = 0.08 avg(sdj write) = 0.41
Host zm08.stanford.edu: Disk IOPs: /dev/dm-0
avg(dm-0 read) = 78.31 avg(dm-0 write) = 22.13
Host zm08.stanford.edu: Disk IOPs: /dev/sdg
avg(sdg read) = 39.20 avg(sdg write) = 11.07
Host zm08.stanford.edu: Disk IOPs: /dev/dm-1
avg(dm-1 read) = 0.06 avg(dm-1 write) = 0.82
Host zm08.stanford.edu: Disk IOPs: /dev/dm-2
avg(dm-2 read) = 90.96 avg(dm-2 write) = 41.56
Host zm08.stanford.edu: Disk IOPs: /dev/sdl
avg(sdl read) = 45.53 avg(sdl write) = 20.78
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) = 5.17 avg(sdi write) = 13.74
Host zm08.stanford.edu: Disk IOPs: /dev/sdh
avg(sdh read) = 21.11 avg(sdh write) = 0.03
Host zm08.stanford.edu: Disk IOPs: /dev/dm-4
avg(dm-4 read) = 42.13 avg(dm-4 write) = 0.07
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) = 10.24 avg(dm-3 write) = 27.48
Host zm08.stanford.edu: Disk IOPs: /dev/sdm
avg(sdm read) = 39.20 avg(sdm write) = 11.07
Host zm08.stanford.edu: Disk IOPs: /dev/sdp
avg(sdp read) = 0.08 avg(sdp write) = 0.41
Host zm08.stanford.edu: Disk IOPs: /dev/sdn
avg(sdn read) = 21.11 avg(sdn write) = 0.03
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) = 5.17 avg(sdo write) = 13.74
Host zm08.stanford.edu: Disk Usage
avg(/opt/zimbra/redo-mysql) = 30.38 avg(/usr/vice/cache) = 13.26 avg(/opt/zimbra/store) = 62.00 avg(/opt/zimbra) = 65.00 avg(/opt/zimbra/hsm1) = 90.00 avg(/) = 8.01 avg(/opt/zimbra/redolog) = 12.89
Host zm08.stanford.edu: Open file descriptor count
avg(total system file descriptors open) = 6802.18 avg(mailboxd file descriptors open) = 3509.28
Host zm08.stanford.edu: Process CPU Time (Top 10 avg)
avg(tripwire) = 2187.00 avg(updatedb) = 28.44 avg(java) = 2272.43 avg(gzip) = 2690.95 avg(mysqld) = 253.25 avg(perl) = 23.55 avg(mysqldump) = 155.62 avg(zmmailboxd) = 1612.95 avg(horsewatcher-fe) = 25.96 avg(zmcompresslogs) = 785.00
Host zm08.stanford.edu: SOAP: Invocation Count: Summary (Top 10 max)
max(MsgActionRequest.move) = 287.00 max(SearchRequest) = 75.00 max(MsgActionRequest.delete) = 690.00 max(NoOpRequest) = 87.00 max(WaitSetRequest) = 87.00 max(AddMsgRequest) = 303.00 max(GetDomainInfoRequest) = 447.00 max(GetFolderRequest) = 308.00 max(SyncRequest) = 144.00 max(GetAppointmentRequest) = 105.00
Host zm08.stanford.edu: SOAP: Average Call Duration: Summary (Top 10 avg)
avg(SendMsgRequest) = 414.32 avg(DeleteAccountRequest) = 56634.29 avg(BackupQueryRequest) = 244.40 avg(GetAggregateQuotaUsageOnServerRequest) = 1065.00 avg(WaitSetRequest) = 362.11 avg(FolderActionRequest.delete) = 3386.00 avg(SendInviteReplyRequest) = 200.38 avg(ConvActionRequest.delete) = 1219.31 avg(FolderActionRequest.empty) = 232.54 avg(GetQuotaUsageRequest) = 1246.00
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Pages
avg(pages read) = 141875220.39 avg(pages written) = 51610521.16
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Hit Rate
avg(buffer pool hit rate) = 998.85
Host zm08.stanford.edu: MySQL: Database Connections In Use
avg(connections in use) = 0.40
Host zm08.stanford.edu: MySQL: Tables Open/Opened
avg(open_tables) = 1190.49 avg(opened_tables (cumulative)) = 192491.74
Host zm08.stanford.edu: MySQL: Total Slow Queries Count
avg(slow queries (cumulative)) = 663221.30
Host zm08.stanford.edu: Mailboxd: Connection Pool Get Latency
avg(mysql) = 0.21 avg(ldap) = 0.02
Host zm08.stanford.edu: Mailboxd: Lucene IO
avg(Index writes) = 79.78 avg(Index reads) = 176.05
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Throughput
avg(received) = 54.15 avg(delivered) = 67.68
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Rate
avg(received msgs) = 0.41 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) = 0.94
Host zm08.stanford.edu: Mailboxd: Mailbox Add Latency (Delivery Speed)
avg(mailbox add latency) = 94.17
Host zm08.stanford.edu: Mailboxd: Request Rate by Client Protocol
avg(SOAP) = 4.88 avg(IMAP) = 47.90 avg(POP) = 2.81
Host zm08.stanford.edu: Mailboxd: Response Time by Client Protocol
avg(SOAP) = 339.85 avg(IMAP) = 18.40 avg(POP) = 49.05
Host zm08.stanford.edu: Mailboxd: Active Connections by Client Protocol
avg(IMAP) = 134.87 avg(IMAP SSL) = 555.45 avg(POP) = 0.03 avg(POP SSL) = 1.24 avg(SOAP sessions) = 184.80
Host zm08.stanford.edu: Mailboxd: Mailbox Get Count
avg(mailbox get count) = 2865.96
Host zm08.stanford.edu: Mailboxd: Mailbox Get Latency
avg(mailbox get latency) = 0.01
Host zm08.stanford.edu: Mailboxd: Mailbox Cache Hit Rate
avg(mailbox cache hit rate) = 99.96
Host zm08.stanford.edu: Mailboxd: Mailbox Item/Blob Cache Hit Rate
avg(msg blob cache) = 52.43 avg(item metadata cache) = 33.66
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Time
avg(minor GC time) = 0.27
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) = 6.38
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) = 4773.90 avg(PS Old Gen) = 0.00 avg(CMS Old Gen) = 3889.68 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) = 800.33 avg(Par Survivor Space) = 83.89 avg(Eden Space) = 0.00 avg(Survivor Space) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Heap Free
avg(total free) = 3053.41 avg(PS Old Gen free) = 0.00 avg(CMS Old Gen free) = 2131.32 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) = 805.29 avg(Par Survivor Space free) = 116.80 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) = 143.53 avg(Code Cache) = 36.23 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) = 98.49 avg(Code Cache free) = 10.06 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) = 137.23
Host zm08.stanford.edu: convertd: Processes and Threads
avg(processes) = 5.75 avg(threads) = 5.77
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