2015-08-20
Additional charts
Host zm08.stanford.edu: Total CPU
avg(user) = 1.93 avg(sys) = 0.28 avg(idle) = 96.03 avg(iowait) = 1.73 avg(nice) = 0.00 avg(irq) = 0.00 avg(softirq) = 0.00
Host zm08.stanford.edu: Individual CPU user time
avg(cpu0) = 10.20 avg(cpu1) = 10.41 avg(cpu2) = 2.44 avg(cpu3) = 2.31 avg(cpu4) = 0.99 avg(cpu5) = 0.86 avg(cpu6) = 0.46 avg(cpu7) = 0.57 avg(cpu8) = 0.32 avg(cpu9) = 0.36 avg(cpu10) = 0.29 avg(cpu11) = 0.33 avg(cpu12) = 2.46 avg(cpu13) = 2.40 avg(cpu14) = 3.42 avg(cpu15) = 3.13 avg(cpu16) = 1.48 avg(cpu17) = 1.46 avg(cpu18) = 0.55 avg(cpu19) = 0.57 avg(cpu20) = 0.33 avg(cpu21) = 0.44 avg(cpu22) = 0.25 avg(cpu23) = 0.41
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) = 0.74 avg(cpu1) = 0.76 avg(cpu2) = 0.31 avg(cpu3) = 0.36 avg(cpu4) = 0.21 avg(cpu5) = 0.21 avg(cpu6) = 0.15 avg(cpu7) = 0.17 avg(cpu8) = 0.11 avg(cpu9) = 0.14 avg(cpu10) = 0.10 avg(cpu11) = 0.11 avg(cpu12) = 0.41 avg(cpu13) = 0.36 avg(cpu14) = 0.61 avg(cpu15) = 0.58 avg(cpu16) = 0.29 avg(cpu17) = 0.32 avg(cpu18) = 0.15 avg(cpu19) = 0.14 avg(cpu20) = 0.13 avg(cpu21) = 0.15 avg(cpu22) = 0.11 avg(cpu23) = 0.12
Host zm08.stanford.edu: Individual CPU idle time
avg(cpu0) = 73.90 avg(cpu1) = 73.96 avg(cpu2) = 96.39 avg(cpu3) = 96.52 avg(cpu4) = 98.43 avg(cpu5) = 98.59 avg(cpu6) = 99.29 avg(cpu7) = 99.15 avg(cpu8) = 99.51 avg(cpu9) = 99.46 avg(cpu10) = 99.57 avg(cpu11) = 99.51 avg(cpu12) = 92.64 avg(cpu13) = 92.86 avg(cpu14) = 95.85 avg(cpu15) = 96.11 avg(cpu16) = 98.18 avg(cpu17) = 98.16 avg(cpu18) = 99.27 avg(cpu19) = 99.26 avg(cpu20) = 99.53 avg(cpu21) = 99.37 avg(cpu22) = 99.62 avg(cpu23) = 99.43
Host zm08.stanford.edu: Individual CPU iowait time
avg(cpu0) = 15.05 avg(cpu1) = 14.75 avg(cpu2) = 0.83 avg(cpu3) = 0.79 avg(cpu4) = 0.36 avg(cpu5) = 0.33 avg(cpu6) = 0.10 avg(cpu7) = 0.10 avg(cpu8) = 0.05 avg(cpu9) = 0.04 avg(cpu10) = 0.03 avg(cpu11) = 0.04 avg(cpu12) = 4.45 avg(cpu13) = 4.36 avg(cpu14) = 0.10 avg(cpu15) = 0.17 avg(cpu16) = 0.04 avg(cpu17) = 0.05 avg(cpu18) = 0.01 avg(cpu19) = 0.02 avg(cpu20) = 0.01 avg(cpu21) = 0.02 avg(cpu22) = 0.01 avg(cpu23) = 0.02
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) = 0.10 avg(cpu1) = 0.11 avg(cpu2) = 0.01 avg(cpu3) = 0.01 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) = 0.03 avg(cpu13) = 0.00 avg(cpu14) = 0.01 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: Process CPU
avg(mailbox) = 1.22 avg(mysql) = 0.06 avg(stats) = 0.00
Host zm08.stanford.edu: Process Total Memory
avg(mailbox) = 20716.10 avg(mysql) = 18189.00 avg(stats) = 0.00
Host zm08.stanford.edu: Process Resident Memory
avg(mailbox) = 8159.97 avg(mysql) = 17840.00 avg(stats) = 0.00
Host zm08.stanford.edu: Virtual Memory
avg(swapped) = 43.86 avg(free) = 1378.40 avg(active) = 39914.30 avg(inactive) = 20453.98 avg(page cache) = 23559.07
Host zm08.stanford.edu: Context Switches
avg(context switches) = 2185.57
Host zm08.stanford.edu: Run/Blocked Process Queue Size, Load Average
avg(processes waiting for run time) = 0.90 avg(processes waiting for io time) = 0.66 avg(load average (1 min)) = 1.46
Host zm08.stanford.edu: Disk Utilization (Top 10 avg)
avg(sdf) = 7.71 avg(sdk) = 7.72 avg(dm-0) = 14.21 avg(sdg) = 8.28 avg(dm-1) = 0.61 avg(sdl) = 8.28 avg(sdh) = 12.42 avg(dm-4) = 15.77 avg(dm-3) = 9.37 avg(sdm) = 12.43
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) = 263.97 avg(sdf write) = 99.17
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) = 264.04 avg(sdk write) = 97.72
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) = 0.20 avg(sdj write) = 4.17
Host zm08.stanford.edu: Disk Throughput: /dev/dm-0
avg(dm-0 read) = 527.61 avg(dm-0 write) = 196.88
Host zm08.stanford.edu: Disk Throughput: /dev/sdg
avg(sdg read) = 688.25 avg(sdg write) = 6.97
Host zm08.stanford.edu: Disk Throughput: /dev/dm-1
avg(dm-1 read) = 370.87 avg(dm-1 write) = 509.41
Host zm08.stanford.edu: Disk Throughput: /dev/dm-2
avg(dm-2 read) = 0.00 avg(dm-2 write) = 8.47
Host zm08.stanford.edu: Disk Throughput: /dev/sdl
avg(sdl read) = 687.70 avg(sdl write) = 6.95
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) = 185.60 avg(sdi write) = 255.71
Host zm08.stanford.edu: Disk Throughput: /dev/sdh
avg(sdh read) = 1328.12 avg(sdh write) = 0.19
Host zm08.stanford.edu: Disk Throughput: /dev/dm-4
avg(dm-4 read) = 2656.56 avg(dm-4 write) = 0.40
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) = 1375.56 avg(dm-3 write) = 13.92
Host zm08.stanford.edu: Disk Throughput: /dev/sdm
avg(sdm read) = 1328.84 avg(sdm write) = 0.21
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) = 185.67 avg(sdn write) = 253.69
Host zm08.stanford.edu: Disk Throughput: /dev/sdu
avg(sdu read) = 26.80 avg(sdu write) = 31.56
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) = 0.20 avg(sdo write) = 4.30
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) = 16.95 avg(sdf write) = 4.90
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) = 16.95 avg(sdk write) = 4.90
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) = 0.05 avg(sdj write) = 0.18
Host zm08.stanford.edu: Disk IOPs: /dev/dm-0
avg(dm-0 read) = 33.80 avg(dm-0 write) = 9.80
Host zm08.stanford.edu: Disk IOPs: /dev/sdg
avg(sdg read) = 40.41 avg(sdg write) = 0.86
Host zm08.stanford.edu: Disk IOPs: /dev/dm-1
avg(dm-1 read) = 9.96 avg(dm-1 write) = 2.95
Host zm08.stanford.edu: Disk IOPs: /dev/dm-2
avg(dm-2 read) = 0.00 avg(dm-2 write) = 0.36
Host zm08.stanford.edu: Disk IOPs: /dev/sdl
avg(sdl read) = 40.41 avg(sdl write) = 0.86
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) = 5.03 avg(sdi write) = 1.48
Host zm08.stanford.edu: Disk IOPs: /dev/sdh
avg(sdh read) = 29.17 avg(sdh write) = 0.02
Host zm08.stanford.edu: Disk IOPs: /dev/dm-4
avg(dm-4 read) = 58.23 avg(dm-4 write) = 0.04
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) = 80.72 avg(dm-3 write) = 1.72
Host zm08.stanford.edu: Disk IOPs: /dev/sdm
avg(sdm read) = 29.17 avg(sdm write) = 0.02
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) = 5.03 avg(sdn write) = 1.48
Host zm08.stanford.edu: Disk IOPs: /dev/sdu
avg(sdu read) = 1.31 avg(sdu write) = 1.69
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) = 0.18
Host zm08.stanford.edu: Disk Usage
avg(/opt/zimbra/redo-mysql) = 1.19 avg(/usr/vice/cache) = 12.99 avg(/opt/zimbra/store) = 92.00 avg(/opt/zimbra) = 75.60 avg(/opt/zimbra/hsm1) = 95.00 avg(/) = 8.01 avg(/opt/zimbra/redolog) = 10.69
Host zm08.stanford.edu: Open file descriptor count
avg(total system file descriptors open) = 4875.92 avg(mailboxd file descriptors open) = 1490.60
Host zm08.stanford.edu: Process CPU Time (Top 10 avg)
avg(updatedb) = 36.90 avg(java) = 2014.20 avg(rpm) = 13.00 avg(gzip) = 2765.62 avg(mysqld) = 50.31 avg(yum) = 586.00 avg(httpd) = 46.74 avg(mysqldump) = 136.86 avg(zmmailboxd) = 887.02 avg(zmcompresslogs) = 348.00
Host zm08.stanford.edu: SOAP: Invocation Count: Summary (Top 10 max)
max(GetItemRequest) = 385.00 max(SearchRequest) = 159.00 max(GetContactsRequest) = 1432.00 max(MsgActionRequest.delete) = 43.00 max(NoOpRequest) = 25.00 max(SyncRequest) = 17.00 max(GetEffectiveFolderPermsRequest) = 28.00 max(GetTaskRequest) = 148.00 max(GetAppointmentRequest) = 1864.00 max(GetDomainInfoRequest) = 19.00
Host zm08.stanford.edu: SOAP: Average Call Duration: Summary (Top 10 avg)
avg(ModifyAppointmentRequest) = 242.67 avg(SendInviteReplyRequest) = 266.00 avg(SendMsgRequest) = 323.99 avg(DeleteAccountRequest) = 25795.75 avg(ConvActionRequest.delete) = 340.50 avg(BackupQueryRequest) = 440.29 avg(GetAggregateQuotaUsageOnServerRequest) = 851.00 avg(FolderActionRequest.empty) = 337.00 avg(CreateAppointmentExceptionRequest) = 412.67 avg(GetQuotaUsageRequest) = 1040.00
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Pages
avg(pages read) = 518474222.77 avg(pages written) = 179858612.27
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Hit Rate
avg(buffer pool hit rate) = 994.97
Host zm08.stanford.edu: MySQL: Database Connections In Use
avg(connections in use) = 0.03
Host zm08.stanford.edu: MySQL: Tables Open/Opened
avg(open_tables) = 1167.70 avg(opened_tables (cumulative)) = 558306.31
Host zm08.stanford.edu: MySQL: Total Slow Queries Count
avg(slow queries (cumulative)) = 766924.30
Host zm08.stanford.edu: Mailboxd: Connection Pool Get Latency
avg(mysql) = 0.22 avg(ldap) = 0.01
Host zm08.stanford.edu: Mailboxd: Lucene IO
avg(Index writes) = 5.89 avg(Index reads) = 20.58
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Throughput
avg(received) = 3.73 avg(delivered) = 3.89
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Rate
avg(received msgs) = 0.03 avg(delivered msgs) = 0.03 avg(received x rcpts) = 0.03
Host zm08.stanford.edu: Mailboxd: Mailbox Add Rate (Delivery Rate)
avg(mailbox add rate) = 0.04
Host zm08.stanford.edu: Mailboxd: Mailbox Add Latency (Delivery Speed)
avg(mailbox add latency) = 34.74
Host zm08.stanford.edu: Mailboxd: Request Rate by Client Protocol
avg(SOAP) = 0.39 avg(IMAP) = 1.43 avg(POP) = 0.11
Host zm08.stanford.edu: Mailboxd: Response Time by Client Protocol
avg(SOAP) = 301.01 avg(IMAP) = 55.47 avg(POP) = 13.68
Host zm08.stanford.edu: Mailboxd: Active Connections by Client Protocol
avg(IMAP) = 6.65 avg(IMAP SSL) = 12.85 avg(POP) = 0.00 avg(POP SSL) = 0.06 avg(SOAP sessions) = 17.48
Host zm08.stanford.edu: Mailboxd: Mailbox Get Count
avg(mailbox get count) = 162.77
Host zm08.stanford.edu: Mailboxd: Mailbox Get Latency
avg(mailbox get latency) = 0.03
Host zm08.stanford.edu: Mailboxd: Mailbox Cache Hit Rate
avg(mailbox cache hit rate) = 99.29
Host zm08.stanford.edu: Mailboxd: Mailbox Item/Blob Cache Hit Rate
avg(msg blob cache) = 27.49 avg(item metadata cache) = 30.24
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Time
avg(minor GC time) = 0.04
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) = 0.39
Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Count
avg(major GC count) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Heap Used
avg(total) = 3875.92 avg(PS Old Gen) = 0.00 avg(CMS Old Gen) = 2991.00 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) = 803.80 avg(Par Survivor Space) = 81.12 avg(Eden Space) = 0.00 avg(Survivor Space) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Heap Free
avg(total free) = 3951.39 avg(PS Old Gen free) = 0.00 avg(CMS Old Gen free) = 3030.00 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) = 801.83 avg(Par Survivor Space free) = 119.57 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) = 120.41 avg(Code Cache) = 34.99 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) = 75.59 avg(Code Cache free) = 0.39 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) = 0.45 avg(user time) = 0.41 avg(system time) = 0.03
Host zm08.stanford.edu: convertd: Resident Memory
avg(convertd rss) = 186.65
Host zm08.stanford.edu: convertd: Processes and Threads
avg(processes) = 5.39 avg(threads) = 5.39
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