2015-03-10
Additional charts
Host zm08.stanford.edu: Total CPU
avg(user) = 5.27 avg(sys) = 0.69 avg(idle) = 91.00 avg(iowait) = 2.93 avg(nice) = 0.00 avg(irq) = 0.00 avg(softirq) = 0.10
Host zm08.stanford.edu: Individual CPU user time
avg(cpu0) = 14.03 avg(cpu1) = 13.37 avg(cpu2) = 6.88 avg(cpu3) = 6.98 avg(cpu4) = 3.95 avg(cpu5) = 6.16 avg(cpu6) = 3.44 avg(cpu7) = 3.18 avg(cpu8) = 2.47 avg(cpu9) = 4.76 avg(cpu10) = 2.07 avg(cpu11) = 10.46 avg(cpu12) = 6.80 avg(cpu13) = 5.12 avg(cpu14) = 5.80 avg(cpu15) = 3.58 avg(cpu16) = 11.94 avg(cpu17) = 3.12 avg(cpu18) = 1.73 avg(cpu19) = 4.21 avg(cpu20) = 1.27 avg(cpu21) = 1.91 avg(cpu22) = 1.17 avg(cpu23) = 2.17
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) = 1.54 avg(cpu1) = 1.56 avg(cpu2) = 1.04 avg(cpu3) = 1.13 avg(cpu4) = 0.66 avg(cpu5) = 0.82 avg(cpu6) = 0.54 avg(cpu7) = 0.55 avg(cpu8) = 0.35 avg(cpu9) = 0.53 avg(cpu10) = 0.32 avg(cpu11) = 1.05 avg(cpu12) = 0.84 avg(cpu13) = 0.73 avg(cpu14) = 1.04 avg(cpu15) = 0.80 avg(cpu16) = 0.79 avg(cpu17) = 0.51 avg(cpu18) = 0.31 avg(cpu19) = 0.50 avg(cpu20) = 0.22 avg(cpu21) = 0.30 avg(cpu22) = 0.20 avg(cpu23) = 0.27
Host zm08.stanford.edu: Individual CPU idle time
avg(cpu0) = 59.03 avg(cpu1) = 57.95 avg(cpu2) = 90.78 avg(cpu3) = 90.60 avg(cpu4) = 94.67 avg(cpu5) = 92.16 avg(cpu6) = 95.71 avg(cpu7) = 95.92 avg(cpu8) = 97.02 avg(cpu9) = 94.00 avg(cpu10) = 97.41 avg(cpu11) = 87.97 avg(cpu12) = 86.29 avg(cpu13) = 88.34 avg(cpu14) = 92.44 avg(cpu15) = 95.47 avg(cpu16) = 86.85 avg(cpu17) = 96.24 avg(cpu18) = 97.85 avg(cpu19) = 94.82 avg(cpu20) = 98.46 avg(cpu21) = 97.69 avg(cpu22) = 98.57 avg(cpu23) = 97.49
Host zm08.stanford.edu: Individual CPU iowait time
avg(cpu0) = 25.09 avg(cpu1) = 26.79 avg(cpu2) = 1.13 avg(cpu3) = 1.10 avg(cpu4) = 0.61 avg(cpu5) = 0.68 avg(cpu6) = 0.23 avg(cpu7) = 0.25 avg(cpu8) = 0.09 avg(cpu9) = 0.59 avg(cpu10) = 0.15 avg(cpu11) = 0.29 avg(cpu12) = 5.91 avg(cpu13) = 5.75 avg(cpu14) = 0.60 avg(cpu15) = 0.13 avg(cpu16) = 0.29 avg(cpu17) = 0.10 avg(cpu18) = 0.09 avg(cpu19) = 0.37 avg(cpu20) = 0.03 avg(cpu21) = 0.07 avg(cpu22) = 0.05 avg(cpu23) = 0.05
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) = 0.29 avg(cpu1) = 0.31 avg(cpu2) = 0.16 avg(cpu3) = 0.19 avg(cpu4) = 0.09 avg(cpu5) = 0.16 avg(cpu6) = 0.08 avg(cpu7) = 0.08 avg(cpu8) = 0.04 avg(cpu9) = 0.11 avg(cpu10) = 0.04 avg(cpu11) = 0.22 avg(cpu12) = 0.15 avg(cpu13) = 0.05 avg(cpu14) = 0.12 avg(cpu15) = 0.02 avg(cpu16) = 0.12 avg(cpu17) = 0.01 avg(cpu18) = 0.01 avg(cpu19) = 0.09 avg(cpu20) = 0.01 avg(cpu21) = 0.01 avg(cpu22) = 0.01 avg(cpu23) = 0.01
Host zm08.stanford.edu: Process CPU
avg(mailbox) = 4.20 avg(mysql) = 0.80 avg(stats) = 0.00
Host zm08.stanford.edu: Process Total Memory
avg(mailbox) = 21344.67 avg(mysql) = 18155.30 avg(stats) = 0.00
Host zm08.stanford.edu: Process Resident Memory
avg(mailbox) = 8952.08 avg(mysql) = 17891.69 avg(stats) = 0.00
Host zm08.stanford.edu: Virtual Memory
avg(swapped) = 18.26 avg(free) = 1268.36 avg(active) = 39761.33 avg(inactive) = 21551.89 avg(page cache) = 31283.46
Host zm08.stanford.edu: Context Switches
avg(context switches) = 12553.27
Host zm08.stanford.edu: Run/Blocked Process Queue Size, Load Average
avg(processes waiting for run time) = 1.98 avg(processes waiting for io time) = 1.00 avg(load average (1 min)) = 2.41
Host zm08.stanford.edu: Disk Utilization (Top 10 avg)
avg(sdf) = 20.11 avg(dm-0) = 18.34 avg(sdg) = 14.10 avg(dm-2) = 32.17 avg(sdl) = 20.14 avg(sdh) = 13.00 avg(dm-4) = 17.81 avg(dm-3) = 6.87 avg(sdm) = 14.10 avg(sdn) = 13.01
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) = 671.89 avg(sdf write) = 999.17
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) = 23.04 avg(sdk write) = 38.25
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) = 0.34 avg(sdj write) = 155.19
Host zm08.stanford.edu: Disk Throughput: /dev/dm-0
avg(dm-0 read) = 1324.02 avg(dm-0 write) = 480.19
Host zm08.stanford.edu: Disk Throughput: /dev/sdg
avg(sdg read) = 662.66 avg(sdg write) = 239.68
Host zm08.stanford.edu: Disk Throughput: /dev/dm-1
avg(dm-1 read) = 0.29 avg(dm-1 write) = 309.91
Host zm08.stanford.edu: Disk Throughput: /dev/dm-2
avg(dm-2 read) = 1343.07 avg(dm-2 write) = 1996.85
Host zm08.stanford.edu: Disk Throughput: /dev/sdl
avg(sdl read) = 671.57 avg(sdl write) = 997.69
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) = 358.77 avg(sdi write) = 576.82
Host zm08.stanford.edu: Disk Throughput: /dev/sdh
avg(sdh read) = 827.31 avg(sdh write) = 0.33
Host zm08.stanford.edu: Disk Throughput: /dev/dm-4
avg(dm-4 read) = 1654.00 avg(dm-4 write) = 0.64
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) = 717.28 avg(dm-3 write) = 1154.93
Host zm08.stanford.edu: Disk Throughput: /dev/sdm
avg(sdm read) = 661.75 avg(sdm write) = 240.52
Host zm08.stanford.edu: Disk Throughput: /dev/sdp
avg(sdp read) = 0.34 avg(sdp write) = 154.72
Host zm08.stanford.edu: Disk Throughput: /dev/sdn
avg(sdn read) = 827.08 avg(sdn write) = 0.31
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) = 358.91 avg(sdo write) = 578.11
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) = 43.28 avg(sdf write) = 37.70
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) = 0.86 avg(sdk write) = 1.74
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) = 0.74
Host zm08.stanford.edu: Disk IOPs: /dev/dm-0
avg(dm-0 read) = 83.28 avg(dm-0 write) = 22.78
Host zm08.stanford.edu: Disk IOPs: /dev/sdg
avg(sdg read) = 41.69 avg(sdg write) = 11.39
Host zm08.stanford.edu: Disk IOPs: /dev/dm-1
avg(dm-1 read) = 0.07 avg(dm-1 write) = 1.48
Host zm08.stanford.edu: Disk IOPs: /dev/dm-2
avg(dm-2 read) = 86.46 avg(dm-2 write) = 75.40
Host zm08.stanford.edu: Disk IOPs: /dev/sdl
avg(sdl read) = 43.28 avg(sdl write) = 37.70
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) = 6.17 avg(sdi write) = 29.95
Host zm08.stanford.edu: Disk IOPs: /dev/sdh
avg(sdh read) = 17.62 avg(sdh write) = 0.03
Host zm08.stanford.edu: Disk IOPs: /dev/dm-4
avg(dm-4 read) = 35.15 avg(dm-4 write) = 0.06
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) = 12.23 avg(dm-3 write) = 59.90
Host zm08.stanford.edu: Disk IOPs: /dev/sdm
avg(sdm read) = 41.69 avg(sdm write) = 11.39
Host zm08.stanford.edu: Disk IOPs: /dev/sdp
avg(sdp read) = 0.08 avg(sdp write) = 0.74
Host zm08.stanford.edu: Disk IOPs: /dev/sdn
avg(sdn read) = 17.62 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) = 6.16 avg(sdo write) = 29.95
Host zm08.stanford.edu: Disk Usage
avg(/opt/zimbra/redo-mysql) = 29.01 avg(/usr/vice/cache) = 13.69 avg(/opt/zimbra/store) = 75.00 avg(/opt/zimbra) = 68.72 avg(/opt/zimbra/hsm1) = 89.11 avg(/) = 8.01 avg(/opt/zimbra/redolog) = 21.55
Host zm08.stanford.edu: Open file descriptor count
avg(total system file descriptors open) = 7530.52 avg(mailboxd file descriptors open) = 4149.75
Host zm08.stanford.edu: Process CPU Time (Top 10 avg)
avg(tripwire) = 2014.00 avg(java) = 2015.58 avg(gzip) = 2447.20 avg(mysqld) = 576.94 avg(perl) = 41.92 avg(httpd) = 39.94 avg(mysqldump) = 155.94 avg(zmmailboxd) = 3021.40 avg(horsewatcher-fe) = 49.55 avg(zmcompresslogs) = 1282.11
Host zm08.stanford.edu: SOAP: Invocation Count: Summary (Top 10 max)
max(MsgActionRequest.move) = 287.00 max(GetContactsRequest) = 1957.00 max(MsgActionRequest.delete) = 759.00 max(NoOpRequest) = 412.00 max(MsgActionRequest.update) = 332.00 max(WaitSetRequest) = 255.00 max(AddMsgRequest) = 583.00 max(GetFolderRequest) = 493.00 max(SyncRequest) = 507.00 max(GetAppointmentRequest) = 3618.00
Host zm08.stanford.edu: SOAP: Average Call Duration: Summary (Top 10 avg)
avg(SendMsgRequest) = 331.02 avg(GetDistributionListMembersRequest) = 330.00 avg(DeleteAccountRequest) = 47208.50 avg(BackupQueryRequest) = 552.20 avg(GetAggregateQuotaUsageOnServerRequest) = 988.00 avg(GetFreeBusyRequest) = 331.16 avg(SendInviteReplyRequest) = 384.82 avg(FolderActionRequest.empty) = 1280.59 avg(GetConvRequest) = 442.33 avg(GetQuotaUsageRequest) = 1207.00
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Pages
avg(pages read) = 485308103.83 avg(pages written) = 176022416.77
Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Hit Rate
avg(buffer pool hit rate) = 999.44
Host zm08.stanford.edu: MySQL: Database Connections In Use
avg(connections in use) = 0.60
Host zm08.stanford.edu: MySQL: Tables Open/Opened
avg(open_tables) = 1189.49 avg(opened_tables (cumulative)) = 572016.21
Host zm08.stanford.edu: MySQL: Total Slow Queries Count
avg(slow queries (cumulative)) = 1533495.30
Host zm08.stanford.edu: Mailboxd: Connection Pool Get Latency
avg(mysql) = 0.18 avg(ldap) = 0.47
Host zm08.stanford.edu: Mailboxd: Lucene IO
avg(Index writes) = 136.86 avg(Index reads) = 369.21
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Throughput
avg(received) = 148.51 avg(delivered) = 256.76
Host zm08.stanford.edu: Mailboxd: LMTP Delivery Rate
avg(received msgs) = 1.21 avg(delivered msgs) = 1.48 avg(received x rcpts) = 1.49
Host zm08.stanford.edu: Mailboxd: Mailbox Add Rate (Delivery Rate)
avg(mailbox add rate) = 1.92
Host zm08.stanford.edu: Mailboxd: Mailbox Add Latency (Delivery Speed)
avg(mailbox add latency) = 51.26
Host zm08.stanford.edu: Mailboxd: Request Rate by Client Protocol
avg(SOAP) = 15.94 avg(IMAP) = 90.42 avg(POP) = 3.88
Host zm08.stanford.edu: Mailboxd: Response Time by Client Protocol
avg(SOAP) = 255.12 avg(IMAP) = 20.83 avg(POP) = 49.09
Host zm08.stanford.edu: Mailboxd: Active Connections by Client Protocol
avg(IMAP) = 183.20 avg(IMAP SSL) = 765.13 avg(POP) = 0.10 avg(POP SSL) = 1.57 avg(SOAP sessions) = 893.54
Host zm08.stanford.edu: Mailboxd: Mailbox Get Count
avg(mailbox get count) = 6214.47
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) = 40.47 avg(item metadata cache) = 29.81
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Time
avg(minor GC time) = 0.75
Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Time
avg(major GC time) = 0.04
Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Count
avg(minor GC count) = 10.32
Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Count
avg(major GC count) = 0.03
Host zm08.stanford.edu: Mailboxd: JVM Heap Used
avg(total) = 4712.27 avg(PS Old Gen) = 0.00 avg(CMS Old Gen) = 3801.03 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) = 805.57 avg(Par Survivor Space) = 105.68 avg(Eden Space) = 0.00 avg(Survivor Space) = 0.00
Host zm08.stanford.edu: Mailboxd: JVM Heap Free
avg(total free) = 3115.04 avg(PS Old Gen free) = 0.00 avg(CMS Old Gen free) = 2219.97 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) = 800.06 avg(Par Survivor Space free) = 95.01 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) = 131.24 avg(Code Cache) = 38.98 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) = 93.11 avg(Code Cache free) = 7.58 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) = 0.38 avg(user time) = 0.35 avg(system time) = 0.03
Host zm08.stanford.edu: convertd: Resident Memory
avg(convertd rss) = 195.70
Host zm08.stanford.edu: convertd: Processes and Threads
avg(processes) = 5.94 avg(threads) = 5.95
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