2015-07-08

Additional charts

Host zm08.stanford.edu: Total CPU

avg(user) = 6.08    avg(sys) = 0.70    avg(idle) = 90.84    avg(iowait) = 2.30    avg(nice) = 0.00    avg(irq) = 0.00    avg(softirq) = 0.08

Host zm08.stanford.edu: Individual CPU user time

avg(cpu0) = 11.64    avg(cpu1) = 17.75    avg(cpu2) = 7.55    avg(cpu3) = 11.39    avg(cpu4) = 10.38    avg(cpu5) = 7.09    avg(cpu6) = 3.00    avg(cpu7) = 9.68    avg(cpu8) = 2.07    avg(cpu9) = 3.89    avg(cpu10) = 1.67    avg(cpu11) = 3.04    avg(cpu12) = 5.35    avg(cpu13) = 8.72    avg(cpu14) = 4.57    avg(cpu15) = 5.31    avg(cpu16) = 4.10    avg(cpu17) = 5.67    avg(cpu18) = 2.21    avg(cpu19) = 3.01    avg(cpu20) = 1.59    avg(cpu21) = 3.82    avg(cpu22) = 1.30    avg(cpu23) = 11.17

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) = 1.27    avg(cpu1) = 1.62    avg(cpu2) = 0.79    avg(cpu3) = 1.10    avg(cpu4) = 1.08    avg(cpu5) = 0.83    avg(cpu6) = 0.39    avg(cpu7) = 0.73    avg(cpu8) = 0.30    avg(cpu9) = 0.45    avg(cpu10) = 0.24    avg(cpu11) = 0.33    avg(cpu12) = 0.68    avg(cpu13) = 0.89    avg(cpu14) = 0.89    avg(cpu15) = 0.79    avg(cpu16) = 0.72    avg(cpu17) = 0.72    avg(cpu18) = 0.40    avg(cpu19) = 0.36    avg(cpu20) = 0.29    avg(cpu21) = 0.46    avg(cpu22) = 0.23    avg(cpu23) = 1.11

Host zm08.stanford.edu: Individual CPU idle time

avg(cpu0) = 68.23    avg(cpu1) = 55.82    avg(cpu2) = 90.97    avg(cpu3) = 85.96    avg(cpu4) = 87.94    avg(cpu5) = 91.17    avg(cpu6) = 96.44    avg(cpu7) = 88.94    avg(cpu8) = 97.54    avg(cpu9) = 95.39    avg(cpu10) = 98.03    avg(cpu11) = 96.45    avg(cpu12) = 91.52    avg(cpu13) = 86.15    avg(cpu14) = 94.45    avg(cpu15) = 93.62    avg(cpu16) = 95.09    avg(cpu17) = 93.15    avg(cpu18) = 97.35    avg(cpu19) = 96.49    avg(cpu20) = 98.08    avg(cpu21) = 95.26    avg(cpu22) = 98.43    avg(cpu23) = 87.31

Host zm08.stanford.edu: Individual CPU iowait time

avg(cpu0) = 18.64    avg(cpu1) = 24.37    avg(cpu2) = 0.61    avg(cpu3) = 1.34    avg(cpu4) = 0.40    avg(cpu5) = 0.80    avg(cpu6) = 0.12    avg(cpu7) = 0.49    avg(cpu8) = 0.06    avg(cpu9) = 0.21    avg(cpu10) = 0.04    avg(cpu11) = 0.14    avg(cpu12) = 2.42    avg(cpu13) = 4.17    avg(cpu14) = 0.07    avg(cpu15) = 0.24    avg(cpu16) = 0.08    avg(cpu17) = 0.33    avg(cpu18) = 0.04    avg(cpu19) = 0.11    avg(cpu20) = 0.03    avg(cpu21) = 0.36    avg(cpu22) = 0.03    avg(cpu23) = 0.19

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) = 0.20    avg(cpu1) = 0.43    avg(cpu2) = 0.08    avg(cpu3) = 0.20    avg(cpu4) = 0.20    avg(cpu5) = 0.10    avg(cpu6) = 0.03    avg(cpu7) = 0.14    avg(cpu8) = 0.02    avg(cpu9) = 0.05    avg(cpu10) = 0.01    avg(cpu11) = 0.03    avg(cpu12) = 0.02    avg(cpu13) = 0.07    avg(cpu14) = 0.01    avg(cpu15) = 0.03    avg(cpu16) = 0.00    avg(cpu17) = 0.12    avg(cpu18) = 0.00    avg(cpu19) = 0.01    avg(cpu20) = 0.00    avg(cpu21) = 0.08    avg(cpu22) = 0.00    avg(cpu23) = 0.21

Host zm08.stanford.edu: Process CPU

avg(mailbox) = 4.60    avg(mysql) = 1.10    avg(stats) = 0.00

Host zm08.stanford.edu: Process Total Memory

avg(mailbox) = 21303.27    avg(mysql) = 18164.67    avg(stats) = 0.00

Host zm08.stanford.edu: Process Resident Memory

avg(mailbox) = 8904.15    avg(mysql) = 17917.83    avg(stats) = 0.00

Host zm08.stanford.edu: Swap Activity

avg(swap in) = 0.00    avg(swap out) = 0.00

Host zm08.stanford.edu: Virtual Memory

avg(swapped) = 21.20    avg(free) = 669.61    avg(active) = 40198.00    avg(inactive) = 21635.24    avg(page cache) = 32036.52

Host zm08.stanford.edu: Context Switches

avg(context switches) = 9731.83

Host zm08.stanford.edu: Run/Blocked Process Queue Size, Load Average

avg(processes waiting for run time) = 2.21    avg(processes waiting for io time) = 0.79    avg(load average (1 min)) = 2.28

Host zm08.stanford.edu: Disk Utilization (Top 10 avg)

avg(sdf) = 16.85    avg(sdk) = 16.83    avg(dm-0) = 27.39    avg(sdg) = 15.99    avg(dm-1) = 5.20    avg(sdl) = 15.96    avg(sdh) = 8.48    avg(dm-4) = 13.24    avg(dm-3) = 21.41    avg(sdm) = 8.45

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) = 755.91    avg(sdf write) = 1361.45

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) = 755.56    avg(sdk write) = 1362.44

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) = 0.27    avg(sdj write) = 287.79

Host zm08.stanford.edu: Disk Throughput: /dev/dm-0

avg(dm-0 read) = 1511.07    avg(dm-0 write) = 2723.89

Host zm08.stanford.edu: Disk Throughput: /dev/sdg

avg(sdg read) = 818.18    avg(sdg write) = 291.36

Host zm08.stanford.edu: Disk Throughput: /dev/dm-1

avg(dm-1 read) = 365.73    avg(dm-1 write) = 1300.83

Host zm08.stanford.edu: Disk Throughput: /dev/dm-2

avg(dm-2 read) = 0.14    avg(dm-2 write) = 576.12

Host zm08.stanford.edu: Disk Throughput: /dev/sdl

avg(sdl read) = 816.66    avg(sdl write) = 291.40

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) = 183.06    avg(sdi write) = 651.63

Host zm08.stanford.edu: Disk Throughput: /dev/sdh

avg(sdh read) = 630.66    avg(sdh write) = 0.17

Host zm08.stanford.edu: Disk Throughput: /dev/dm-4

avg(dm-4 read) = 1261.05    avg(dm-4 write) = 0.36

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) = 1634.44    avg(dm-3 write) = 582.76

Host zm08.stanford.edu: Disk Throughput: /dev/sdm

avg(sdm read) = 630.79    avg(sdm write) = 0.19

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) = 183.07    avg(sdn write) = 649.21

Host zm08.stanford.edu: Disk Throughput: /dev/sdu

avg(sdu read) = 18.88    avg(sdu write) = 39.98

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) = 0.27    avg(sdo write) = 288.33

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) = 49.34    avg(sdf write) = 42.02

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) = 49.35    avg(sdk write) = 42.01

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) = 0.07    avg(sdj write) = 1.12

Host zm08.stanford.edu: Disk IOPs: /dev/dm-0

avg(dm-0 read) = 98.59    avg(dm-0 write) = 84.03

Host zm08.stanford.edu: Disk IOPs: /dev/sdg

avg(sdg read) = 46.39    avg(sdg write) = 14.26

Host zm08.stanford.edu: Disk IOPs: /dev/dm-1

avg(dm-1 read) = 9.51    avg(dm-1 write) = 56.48

Host zm08.stanford.edu: Disk IOPs: /dev/dm-2

avg(dm-2 read) = 0.04    avg(dm-2 write) = 2.24

Host zm08.stanford.edu: Disk IOPs: /dev/sdl

avg(sdl read) = 46.39    avg(sdl write) = 14.25

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) = 4.80    avg(sdi write) = 28.24

Host zm08.stanford.edu: Disk IOPs: /dev/sdh

avg(sdh read) = 13.76    avg(sdh write) = 0.02

Host zm08.stanford.edu: Disk IOPs: /dev/dm-4

avg(dm-4 read) = 27.43    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) = 92.68    avg(dm-3 write) = 28.51

Host zm08.stanford.edu: Disk IOPs: /dev/sdm

avg(sdm read) = 13.76    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) = 4.80    avg(sdn write) = 28.24

Host zm08.stanford.edu: Disk IOPs: /dev/sdu

avg(sdu read) = 0.60    avg(sdu write) = 1.94

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) = 0.07    avg(sdo write) = 1.12

Host zm08.stanford.edu: Disk Usage

avg(/opt/zimbra/redo-mysql) = 41.49    avg(/usr/vice/cache) = 13.00    avg(/opt/zimbra/store) = 100.00    avg(/opt/zimbra) = 74.55    avg(/opt/zimbra/hsm1) = 90.00    avg(/) = 8.01    avg(/opt/zimbra/redolog) = 39.69

Host zm08.stanford.edu: Open file descriptor count

avg(total system file descriptors open) = 7059.52    avg(mailboxd file descriptors open) = 3689.26

Host zm08.stanford.edu: Process CPU Time (Top 10 avg)

avg(tripwire) = 1942.00    avg(java) = 2083.36    avg(gzip) = 2879.26    avg(mysqld) = 795.30    avg(yum) = 502.00    avg(perl) = 43.11    avg(httpd) = 50.79    avg(mysqldump) = 155.37    avg(zmmailboxd) = 3315.61    avg(zmcompresslogs) = 1895.25

Host zm08.stanford.edu: SOAP: Invocation Count: Summary (Top 10 max)

max(MsgActionRequest.move) = 504.00    max(GetItemRequest) = 284.00    max(SearchRequest) = 938.00    max(GetContactsRequest) = 2517.00    max(MsgActionRequest.delete) = 2604.00    max(NoOpRequest) = 347.00    max(SetAppointmentRequest) = 267.00    max(GetFolderRequest) = 427.00    max(SyncRequest) = 395.00    max(GetAppointmentRequest) = 2232.00

Host zm08.stanford.edu: SOAP: Average Call Duration: Summary (Top 10 avg)

avg(SendMsgRequest) = 358.98    avg(BackupQueryRequest) = 427.00    avg(GetAggregateQuotaUsageOnServerRequest) = 978.00    avg(WaitSetRequest) = 275.45    avg(FolderActionRequest.read) = 1182.50    avg(SendInviteReplyRequest) = 330.74    avg(DiscoverRightsRequest) = 323.90    avg(ApplyFilterRulesRequest) = 2331.00    avg(FolderActionRequest.empty) = 1154.47    avg(GetQuotaUsageRequest) = 1191.00

Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Pages

avg(pages read) = 319480228.86    avg(pages written) = 112254319.08

Host zm08.stanford.edu: MySQL: InnoDB Buffer Pool Hit Rate

avg(buffer pool hit rate) = 999.51

Host zm08.stanford.edu: MySQL: Database Connections In Use

avg(connections in use) = 0.62

Host zm08.stanford.edu: MySQL: Tables Open/Opened

avg(open_tables) = 1185.37    avg(opened_tables (cumulative)) = 320432.46

Host zm08.stanford.edu: MySQL: Total Slow Queries Count

avg(slow queries (cumulative)) = 437171.57

Host zm08.stanford.edu: Mailboxd: Connection Pool Get Latency

avg(mysql) = 0.20    avg(ldap) = 0.32

Host zm08.stanford.edu: Mailboxd: Lucene IO

avg(Index writes) = 98.42    avg(Index reads) = 228.52

Host zm08.stanford.edu: Mailboxd: LMTP Delivery Throughput

avg(received) = 153.38    avg(delivered) = 175.70

Host zm08.stanford.edu: Mailboxd: LMTP Delivery Rate

avg(received msgs) = 1.06    avg(delivered msgs) = 1.24    avg(received x rcpts) = 1.30

Host zm08.stanford.edu: Mailboxd: Mailbox Add Rate (Delivery Rate)

avg(mailbox add rate) = 2.09

Host zm08.stanford.edu: Mailboxd: Mailbox Add Latency (Delivery Speed)

avg(mailbox add latency) = 44.74

Host zm08.stanford.edu: Mailboxd: Request Rate by Client Protocol

avg(SOAP) = 14.17    avg(IMAP) = 76.13    avg(POP) = 2.59

Host zm08.stanford.edu: Mailboxd: Response Time by Client Protocol

avg(SOAP) = 257.60    avg(IMAP) = 27.89    avg(POP) = 87.89

Host zm08.stanford.edu: Mailboxd: Active Connections by Client Protocol

avg(IMAP) = 138.92    avg(IMAP SSL) = 565.07    avg(POP) = 0.05    avg(POP SSL) = 1.50    avg(SOAP sessions) = 991.45

Host zm08.stanford.edu: Mailboxd: Mailbox Get Count

avg(mailbox get count) = 5524.52

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) = 99.97

Host zm08.stanford.edu: Mailboxd: Mailbox Item/Blob Cache Hit Rate

avg(msg blob cache) = 27.03    avg(item metadata cache) = 30.17

Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Time

avg(minor GC time) = 0.70

Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Time

avg(major GC time) = 0.05

Host zm08.stanford.edu: Mailboxd: Minor Garbage Collection Count

avg(minor GC count) = 14.83

Host zm08.stanford.edu: Mailboxd: Major Garbage Collection Count

avg(major GC count) = 0.04

Host zm08.stanford.edu: Mailboxd: JVM Heap Used

avg(total) = 4860.51    avg(PS Old Gen) = 0.00    avg(CMS Old Gen) = 4005.19    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) = 782.08    avg(Par Survivor Space) = 73.24    avg(Eden Space) = 0.00    avg(Survivor Space) = 0.00

Host zm08.stanford.edu: Mailboxd: JVM Heap Free

avg(total free) = 2966.80    avg(PS Old Gen free) = 0.00    avg(CMS Old Gen free) = 2015.81    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) = 823.55    avg(Par Survivor Space free) = 127.44    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) = 136.08    avg(Code Cache) = 36.87    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) = 98.36    avg(Code Cache free) = 9.75    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) = 0.48    avg(user time) = 0.44    avg(system time) = 0.04

Host zm08.stanford.edu: convertd: Resident Memory

avg(convertd rss) = 182.95

Host zm08.stanford.edu: convertd: Processes and Threads

avg(processes) = 5.97    avg(threads) = 5.98

No data available for the following charts:

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

Summary