2015-06-23

Additional charts

Host zm08.stanford.edu: Total CPU

avg(user) = 4.98    avg(sys) = 0.73    avg(idle) = 91.58    avg(iowait) = 2.61    avg(nice) = 0.00    avg(irq) = 0.00    avg(softirq) = 0.09

Host zm08.stanford.edu: Individual CPU user time

avg(cpu0) = 12.92    avg(cpu1) = 16.06    avg(cpu2) = 5.21    avg(cpu3) = 13.24    avg(cpu4) = 4.54    avg(cpu5) = 5.24    avg(cpu6) = 2.11    avg(cpu7) = 10.90    avg(cpu8) = 1.58    avg(cpu9) = 3.01    avg(cpu10) = 1.34    avg(cpu11) = 2.44    avg(cpu12) = 4.49    avg(cpu13) = 6.62    avg(cpu14) = 3.77    avg(cpu15) = 4.64    avg(cpu16) = 3.53    avg(cpu17) = 4.81    avg(cpu18) = 1.82    avg(cpu19) = 2.36    avg(cpu20) = 1.39    avg(cpu21) = 3.35    avg(cpu22) = 1.11    avg(cpu23) = 3.03

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) = 1.60    avg(cpu1) = 1.93    avg(cpu2) = 0.88    avg(cpu3) = 1.68    avg(cpu4) = 0.77    avg(cpu5) = 0.93    avg(cpu6) = 0.47    avg(cpu7) = 0.75    avg(cpu8) = 0.37    avg(cpu9) = 0.52    avg(cpu10) = 0.24    avg(cpu11) = 0.39    avg(cpu12) = 0.69    avg(cpu13) = 0.95    avg(cpu14) = 0.94    avg(cpu15) = 0.83    avg(cpu16) = 0.72    avg(cpu17) = 0.72    avg(cpu18) = 0.38    avg(cpu19) = 0.35    avg(cpu20) = 0.29    avg(cpu21) = 0.46    avg(cpu22) = 0.23    avg(cpu23) = 0.43

Host zm08.stanford.edu: Individual CPU idle time

avg(cpu0) = 64.73    avg(cpu1) = 58.01    avg(cpu2) = 92.54    avg(cpu3) = 83.46    avg(cpu4) = 93.82    avg(cpu5) = 92.92    avg(cpu6) = 97.10    avg(cpu7) = 87.79    avg(cpu8) = 97.82    avg(cpu9) = 96.22    avg(cpu10) = 98.32    avg(cpu11) = 96.98    avg(cpu12) = 88.80    avg(cpu13) = 86.36    avg(cpu14) = 95.02    avg(cpu15) = 94.34    avg(cpu16) = 95.60    avg(cpu17) = 94.12    avg(cpu18) = 97.73    avg(cpu19) = 97.18    avg(cpu20) = 98.24    avg(cpu21) = 95.90    avg(cpu22) = 98.61    avg(cpu23) = 96.06

Host zm08.stanford.edu: Individual CPU iowait time

avg(cpu0) = 20.48    avg(cpu1) = 23.52    avg(cpu2) = 1.24    avg(cpu3) = 1.30    avg(cpu4) = 0.72    avg(cpu5) = 0.77    avg(cpu6) = 0.25    avg(cpu7) = 0.39    avg(cpu8) = 0.18    avg(cpu9) = 0.18    avg(cpu10) = 0.08    avg(cpu11) = 0.13    avg(cpu12) = 5.98    avg(cpu13) = 5.99    avg(cpu14) = 0.25    avg(cpu15) = 0.15    avg(cpu16) = 0.12    avg(cpu17) = 0.24    avg(cpu18) = 0.06    avg(cpu19) = 0.07    avg(cpu20) = 0.07    avg(cpu21) = 0.20    avg(cpu22) = 0.04    avg(cpu23) = 0.40

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) = 0.25    avg(cpu1) = 0.46    avg(cpu2) = 0.11    avg(cpu3) = 0.31    avg(cpu4) = 0.14    avg(cpu5) = 0.13    avg(cpu6) = 0.05    avg(cpu7) = 0.15    avg(cpu8) = 0.04    avg(cpu9) = 0.06    avg(cpu10) = 0.01    avg(cpu11) = 0.04    avg(cpu12) = 0.02    avg(cpu13) = 0.07    avg(cpu14) = 0.01    avg(cpu15) = 0.03    avg(cpu16) = 0.01    avg(cpu17) = 0.10    avg(cpu18) = 0.00    avg(cpu19) = 0.01    avg(cpu20) = 0.00    avg(cpu21) = 0.08    avg(cpu22) = 0.00    avg(cpu23) = 0.08

Host zm08.stanford.edu: Process CPU

avg(mailbox) = 3.91    avg(mysql) = 0.70    avg(stats) = 0.00

Host zm08.stanford.edu: Process Total Memory

avg(mailbox) = 21322.54    avg(mysql) = 18153.00    avg(stats) = 0.00

Host zm08.stanford.edu: Process Resident Memory

avg(mailbox) = 8891.67    avg(mysql) = 17873.23    avg(stats) = 0.00

Host zm08.stanford.edu: Swap Activity

avg(swap in) = 0.00    avg(swap out) = 0.01

Host zm08.stanford.edu: Virtual Memory

avg(swapped) = 18.25    avg(free) = 627.94    avg(active) = 39827.62    avg(inactive) = 22081.33    avg(page cache) = 31992.40

Host zm08.stanford.edu: Context Switches

avg(context switches) = 11266.34

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

avg(processes waiting for run time) = 1.90    avg(processes waiting for io time) = 1.03    avg(load average (1 min)) = 2.38

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

avg(sdf) = 16.05    avg(sdk) = 16.04    avg(dm-0) = 26.19    avg(sdg) = 14.71    avg(dm-1) = 5.67    avg(sdl) = 14.70    avg(sdh) = 12.86    avg(dm-4) = 17.20    avg(dm-3) = 18.46    avg(sdm) = 12.85

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) = 636.76    avg(sdf write) = 951.68

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) = 636.66    avg(sdk write) = 954.06

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) = 150.56

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

avg(dm-0 read) = 1273.03    avg(dm-0 write) = 1905.74

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

avg(sdg read) = 937.52    avg(sdg write) = 253.69

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

avg(dm-1 read) = 748.35    avg(dm-1 write) = 1148.43

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

avg(dm-2 read) = 0.24    avg(dm-2 write) = 303.04

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

avg(sdl read) = 937.43    avg(sdl write) = 252.98

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) = 374.33    avg(sdi write) = 574.09

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

avg(sdh read) = 1170.17    avg(sdh write) = 0.32

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

avg(dm-4 read) = 2338.92    avg(dm-4 write) = 0.69

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) = 1874.56    avg(dm-3 write) = 506.67

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

avg(sdm read) = 1169.14    avg(sdm write) = 0.37

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) = 374.41    avg(sdn write) = 574.34

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

avg(sdu read) = 25.17    avg(sdu write) = 37.46

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) = 0.32    avg(sdo write) = 152.48

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) = 42.31    avg(sdf write) = 35.31

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) = 42.31    avg(sdk write) = 35.31

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) = 0.73

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

avg(dm-0 read) = 84.53    avg(dm-0 write) = 70.62

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

avg(sdg read) = 56.59    avg(sdg write) = 14.87

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

avg(dm-1 read) = 13.04    avg(dm-1 write) = 57.63

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

avg(dm-2 read) = 0.06    avg(dm-2 write) = 1.45

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

avg(sdl read) = 56.59    avg(sdl write) = 14.87

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) = 6.57    avg(sdi write) = 28.82

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

avg(sdh read) = 26.12    avg(sdh write) = 0.03

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

avg(dm-4 read) = 52.14    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) = 113.09    avg(dm-3 write) = 29.73

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

avg(sdm read) = 26.12    avg(sdm write) = 0.03

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) = 6.57    avg(sdn write) = 28.82

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

avg(sdu read) = 1.17    avg(sdu write) = 1.89

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) = 0.08    avg(sdo write) = 0.73

Host zm08.stanford.edu: Disk Usage

avg(/opt/zimbra/redo-mysql) = 26.01    avg(/usr/vice/cache) = 13.28    avg(/opt/zimbra/store) = 96.42    avg(/opt/zimbra) = 73.83    avg(/opt/zimbra/hsm1) = 91.00    avg(/) = 8.01    avg(/opt/zimbra/redolog) = 21.49

Host zm08.stanford.edu: Open file descriptor count

avg(total system file descriptors open) = 7218.44    avg(mailboxd file descriptors open) = 3837.73

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

avg(java) = 2253.66    avg(gzip) = 2720.57    avg(mysqld) = 509.13    avg(yum) = 2008.00    avg(perl) = 48.56    avg(httpd) = 51.63    avg(mysqldump) = 145.83    avg(zmmailboxd) = 2815.39    avg(horsewatcher-fe) = 51.65    avg(zmcompresslogs) = 1400.33

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

max(MsgActionRequest.move) = 1220.00    max(GetItemRequest) = 504.00    max(SearchRequest) = 237.00    max(GetContactsRequest) = 2471.00    max(MsgActionRequest.delete) = 1258.00    max(NoOpRequest) = 345.00    max(WaitSetRequest) = 186.00    max(GetFolderRequest) = 432.00    max(SyncRequest) = 412.00    max(GetAppointmentRequest) = 1425.00

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

avg(SendMsgRequest) = 345.50    avg(DeleteAccountRequest) = 24348.00    avg(BackupQueryRequest) = 451.20    avg(GetAggregateQuotaUsageOnServerRequest) = 966.00    avg(WaitSetRequest) = 353.65    avg(FolderActionRequest.delete) = 580.33    avg(SendInviteReplyRequest) = 363.31    avg(FolderActionRequest.empty) = 400.52    avg(SendShareNotificationRequest) = 490.00    avg(GetQuotaUsageRequest) = 1259.00

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

avg(pages read) = 234388163.04    avg(pages written) = 80165195.57

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

avg(buffer pool hit rate) = 998.48

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) = 1191.46    avg(opened_tables (cumulative)) = 235600.81

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

avg(slow queries (cumulative)) = 335811.79

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

avg(mysql) = 0.18    avg(ldap) = 0.15

Host zm08.stanford.edu: Mailboxd: Lucene IO

avg(Index writes) = 137.89    avg(Index reads) = 349.62

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

avg(received) = 142.59    avg(delivered) = 181.62

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

avg(received msgs) = 1.18    avg(delivered msgs) = 1.37    avg(received x rcpts) = 1.40

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

avg(mailbox add rate) = 1.74

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

avg(mailbox add latency) = 42.71

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

avg(SOAP) = 13.62    avg(IMAP) = 98.74    avg(POP) = 2.71

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

avg(SOAP) = 286.33    avg(IMAP) = 19.30    avg(POP) = 109.83

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

avg(IMAP) = 170.41    avg(IMAP SSL) = 615.28    avg(POP) = 0.10    avg(POP SSL) = 1.52    avg(SOAP sessions) = 751.50

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

avg(mailbox get count) = 5682.71

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) = 99.98

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

avg(msg blob cache) = 27.22    avg(item metadata cache) = 28.75

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

avg(minor GC time) = 0.72

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) = 11.34

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) = 4767.71    avg(PS Old Gen) = 0.00    avg(CMS Old Gen) = 3867.49    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) = 802.35    avg(Par Survivor Space) = 97.87    avg(Eden Space) = 0.00    avg(Survivor Space) = 0.00

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

avg(total free) = 3059.60    avg(PS Old Gen free) = 0.00    avg(CMS Old Gen free) = 2153.51    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) = 803.28    avg(Par Survivor Space free) = 102.82    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) = 136.60    avg(Code Cache) = 39.44    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) = 97.93    avg(Code Cache free) = 7.18    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) = 0.49    avg(user time) = 0.46    avg(system time) = 0.04

Host zm08.stanford.edu: convertd: Resident Memory

avg(convertd rss) = 175.21

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

avg(processes) = 6.04    avg(threads) = 6.05

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