11250830 - Githubissues

saza-ku commented 1 year ago

isucon1

alp

+-------+--------+------------------------------------------+-------+-------+---------+-------+-------+
| COUNT | METHOD |                   URI                    |  MIN  |  MAX  |   SUM   |  AVG  |  P99  |
+-------+--------+------------------------------------------+-------+-------+---------+-------+-------+
| 40874 | GET    | /api/user/.+/icon                        | 0.004 | 0.052 | 142.848 | 0.003 | 0.020 |
| 4531  | POST   | /api/livestream/.+/livecomment           | 0.004 | 0.092 | 100.064 | 0.022 | 0.048 |
| 4377  | GET    | /api/livestream/.+/livecomment           | 0.004 | 0.072 | 92.720  | 0.021 | 0.048 |
| 4410  | GET    | /api/livestream/.+/reaction              | 0.008 | 0.088 | 90.000  | 0.020 | 0.048 |
| 4013  | POST   | /api/livestream/.+/reaction              | 0.004 | 0.068 | 77.172  | 0.019 | 0.044 |
| 603   | POST   | /api/register                            | 0.004 | 0.188 | 64.912  | 0.108 | 0.156 |
| 1899  | GET    | /api/livestream/search                   | 0.004 | 0.276 | 48.492  | 0.026 | 0.188 |
| 616   | POST   | /api/livestream/reservation              | 0.020 | 0.124 | 34.344  | 0.056 | 0.100 |
| 836   | GET    | /api/livestream                          | 0.004 | 0.152 | 32.844  | 0.039 | 0.108 |
| 1142  | POST   | /api/livestream/.+/moderate              | 0.004 | 0.076 | 28.528  | 0.025 | 0.052 |
| 2463  | GET    | /api/livestream/.+/report                | 0.004 | 0.056 | 22.264  | 0.009 | 0.032 |
| 1805  | GET    | /api/livestream/.+/ngwords               | 0.004 | 0.052 | 14.692  | 0.008 | 0.028 |
| 652   | POST   | /api/icon                                | 0.004 | 0.060 | 8.320   | 0.013 | 0.036 |
| 633   | GET    | /api/tag                                 | 0.004 | 0.056 | 5.620   | 0.009 | 0.032 |
| 607   | POST   | /api/login                               | 0.004 | 0.032 | 5.372   | 0.009 | 0.024 |
| 42    | GET    | /api/user/.+/statistics                  | 0.028 | 0.184 | 5.268   | 0.125 | 0.184 |
| 379   | POST   | /api/livestream/.+/enter                 | 0.004 | 0.036 | 3.196   | 0.008 | 0.024 |
| 369   | DELETE | /api/livestream/.+/exit                  | 0.004 | 0.032 | 2.992   | 0.008 | 0.028 |
| 40    | GET    | /api/user/.+/livestream                  | 0.028 | 0.148 | 2.656   | 0.066 | 0.148 |
| 25    | GET    | /api/livestream/.+/statistics            | 0.024 | 0.148 | 2.540   | 0.102 | 0.148 |
| 59    | POST   | /api/livestream/.+/livecomment/.+/report | 0.004 | 0.056 | 1.464   | 0.025 | 0.056 |
| 41    | GET    | /api/user/.+/theme                       | 0.004 | 0.036 | 0.428   | 0.010 | 0.036 |
| 6     | GET    | /api/user/.+                             | 0.000 | 0.004 | 0.004   | 0.001 | 0.004 |
| 1     | GET    | /api/livestream/.+                       | 0.004 | 0.004 | 0.004   | 0.004 | 0.004 |
| 1     | GET    | /api/payment                             | 0.004 | 0.004 | 0.004   | 0.004 | 0.004 |
+-------+--------+------------------------------------------+-------+-------+---------+-------+-------+

slow query

explain

Reading from STDIN ...

# No events processed.

netdata

http://localhost:19991/#menu_services;after=1700901037175;before=1700901113321

pprof

go tool pprof -http=0.0.0.0:1080 http://isucon1/pprof/11250830

saza-ku commented 1 year ago

isucon2

alp

+-------+--------+-----+-----+-----+-----+-----+-----+
| COUNT | METHOD | URI | MIN | MAX | SUM | AVG | P99 |
+-------+--------+-----+-----+-----+-----+-----+-----+
+-------+--------+-----+-----+-----+-----+-----+-----+

slow query

Count: 30753  Time=0.00s (58s)  Lock=0.00s (0s)  Rows=0.2 (7596), isudns[isudns]@isucon1
  SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=N and name='S' and domain_id=N

Count: 23002  Time=0.00s (40s)  Lock=0.00s (0s)  Rows=0.5 (11685), isudns[isudns]@isucon1
  SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=N and type='S' and name='S'

Count: 36744  Time=0.00s (4s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  select kind,content from domains, domainmetadata where domainmetadata.domain_id=domains.id and name='S'

Count: 600  Time=0.00s (2s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  delete from records where domain_id=N and name='S' and type='S'

Count: 1200  Time=0.00s (2s)  Lock=0.00s (0s)  Rows=0.5 (600), isudns[isudns]@isucon1
  SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=N and type='S' and name='S' and domain_id=N

Count: 91625  Time=0.00s (1s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  #

Count: 600  Time=0.00s (0s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  commit

Count: 600  Time=0.00s (0s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  insert into records (content,ttl,prio,type,domain_id,disabled,name,ordername,auth) values ('S',N,N,'S',N,N,'S',NULL,N)

Count: 600  Time=0.00s (0s)  Lock=0.00s (0s)  Rows=1.0 (600), isudns[isudns]@isucon1
  select id,name,master,last_check,notified_serial,type,options,catalog,account from domains where name='S'

Count: 1200  Time=0.00s (0s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED

explain

Reading from STDIN ...

# 11.5s user time, 80ms system time, 36.88M rss, 51.20M vsz
# Current date: Sat Nov 25 08:32:11 2023
# Hostname: ip-192-168-0-12
# Files: STDIN
# Overall: 187.53k total, 22 unique, 2.29k QPS, 1.35x concurrency ________
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:59
# Attribute          total     min     max     avg     95%  stddev  median
# ============     ======= ======= ======= ======= ======= ======= =======
# Exec time           111s     1us    12ms   589us     2ms   899us    89us
# Lock time          171ms       0     5ms       0     1us    25us       0
# Rows sent         20.01k       0       3    0.11    0.99    0.31       0
# Rows examine      84.07M       0   1.84k  470.09   1.69k  713.05       0
# Query size        14.41M       5     219   80.58  151.03   48.66   51.63

# Profile
# Rank Query ID                      Response time Calls R/Call V/M   Item
# ==== ============================= ============= ===== ====== ===== ====
#    1 0x42EF7D7D98FBCC9723BF896E... 58.5864 53.0% 30753 0.0019  0.00 SELECT records
#    2 0x3D83BC87F3B3A00D571FFC81... 40.7803 36.9% 23002 0.0018  0.00 SELECT records
#    3 0x22279D81D51006139E0C7640...  4.6320  4.2% 36744 0.0001  0.00 SELECT domains domainmetadata
#    4 0x859BBB7E9D760686137A9444...  2.5454  2.3%   600 0.0042  0.00 DELETE records
# MISC 0xMISC                         4.0908  3.7% 96434 0.0000   0.0 <18 ITEMS>

# Query 1: 465.95 QPS, 0.89x concurrency, ID 0x42EF7D7D98FBCC9723BF896EBFC51D24 at byte 52805339
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         16   30753
# Exec time     52     59s   698us    11ms     2ms     3ms   652us     2ms
# Lock time     31    53ms       0     5ms     1us     1us    42us     1us
# Rows sent     37   7.42k       0       1    0.25    0.99    0.43       0
# Rows examine  55  46.49M   1.25k   1.83k   1.55k   1.78k  166.06   1.53k
# Query size    28   4.14M     129     219  141.27  158.58   11.49  136.99
# String:
# Hosts        isucon1
# Users        isudns
# Query_time distribution
#   1us
#  10us
# 100us  #
#   1ms  ################################################################
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'records'\G
#    SHOW CREATE TABLE `records`\G
# EXPLAIN /*!50100 PARTITIONS*/
SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=0 and name='*.u.isucon.dev' and domain_id=4\G
# EXPLAIN failed: DBD::mysql::st execute failed: Table 'isupipe.records' doesn't exist [for Statement "EXPLAIN SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=0 and name='*.u.isucon.dev' and domain_id=4"] at /usr/bin/pt-query-digest line 7796.

# Query 2: 348.52 QPS, 0.62x concurrency, ID 0x3D83BC87F3B3A00D571FFC8104A6E50C at byte 42469075
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         12   23002
# Exec time     36     41s   663us    12ms     2ms     3ms   605us     2ms
# Lock time     17    30ms       0   704us     1us     1us     5us     1us
# Rows sent     57  11.41k       0       1    0.51    0.99    0.50    0.99
# Rows examine  41  34.87M   1.25k   1.83k   1.55k   1.78k  166.57   1.53k
# Query size    20   2.96M     126     218  134.91  151.03   10.78  124.25
# String:
# Hosts        isucon1
# Users        isudns
# Query_time distribution
#   1us
#  10us
# 100us  #
#   1ms  ################################################################
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'records'\G
#    SHOW CREATE TABLE `records`\G
# EXPLAIN 
SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=0 and type='SOA' and name='u.isucon.dev'\G
# EXPLAIN failed: DBD::mysql::st execute failed: Table 'isupipe.records' doesn't exist [for Statement "EXPLAIN SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=0 and type='SOA' and name='u.isucon.dev'"] at /usr/bin/pt-query-digest line 7796.

# Query 3: 556.73 QPS, 0.07x concurrency, ID 0x22279D81D51006139E0C76405B54C261 at byte 27097446
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         19   36744
# Exec time      4      5s    70us     8ms   126us   167us   114us   108us
# Lock time     34    58ms       0     1ms     1us     1us     9us     1us
# Rows sent      0       0       0       0       0       0       0       0
# Rows examine   0       0       0       0       0       0       0       0
# Query size    27   3.99M     114     114     114     114       0     114
# String:
# Hosts        isucon1
# Users        isudns
# Query_time distribution
#   1us
#  10us  ###########
# 100us  ################################################################
#   1ms  #
#  10ms
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'domains'\G
#    SHOW CREATE TABLE `domains`\G
#    SHOW TABLE STATUS LIKE 'domainmetadata'\G
#    SHOW CREATE TABLE `domainmetadata`\G
# EXPLAIN 
select kind,content from domains, domainmetadata where domainmetadata.domain_id=domains.id and name='u.isucon.dev'\G
# EXPLAIN failed: DBD::mysql::st execute failed: Table 'isupipe.domains' doesn't exist [for Statement "EXPLAIN select kind,content from domains, domainmetadata where domainmetadata.domain_id=domains.id and name='u.isucon.dev'"] at /usr/bin/pt-query-digest line 7796.

# Query 4: 9.09 QPS, 0.04x concurrency, ID 0x859BBB7E9D760686137A944406874C4D at byte 53378360
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count          0     600
# Exec time      2      3s     2ms    12ms     4ms     7ms     1ms     4ms
# Lock time     15    26ms       0     4ms    43us     1us   312us     1us
# Rows sent      0       0       0       0       0       0       0       0
# Rows examine   1 925.48k   1.25k   1.83k   1.54k   1.78k  171.08   1.53k
# Query size     0  50.11k      78      93   85.53   88.31    3.35   84.10
# String:
# Hosts        isucon1
# Users        isudns
# Query_time distribution
#   1us
#  10us
# 100us
#   1ms  ################################################################
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'records'\G
#    SHOW CREATE TABLE `records`\G
delete from records where domain_id=4 and name='yoichinakamura0.u.isucon.dev' and type='A'\G
# Converted for EXPLAIN
# EXPLAIN 
select * from  records where domain_id=4 and name='yoichinakamura0.u.isucon.dev' and type='A'\G

netdata

http://localhost:19992/#menu_services;after=1700901037191;before=1700901117198

pprof

go tool pprof -http=0.0.0.0:1080 http://isucon2/pprof/11250830

saza-ku commented 1 year ago

isucon3

alp

+-------+--------+-----+-----+-----+-----+-----+-----+
| COUNT | METHOD | URI | MIN | MAX | SUM | AVG | P99 |
+-------+--------+-----+-----+-----+-----+-----+-----+
+-------+--------+-----+-----+-----+-----+-----+-----+

slow query

Count: 29794  Time=0.00s (23s)  Lock=0.00s (0s)  Rows=1.0 (29794), isucon[isucon]@isucon1
  SELECT * FROM themes WHERE user_id = N

Count: 918  Time=0.01s (12s)  Lock=0.00s (0s)  Rows=2.8 (2528), isucon[isucon]@isucon1
  SELECT * FROM livestreams WHERE user_id = N

Count: 613  Time=0.01s (8s)  Lock=0.00s (0s)  Rows=0.0 (0), isucon[isucon]@isucon1
  UPDATE reservation_slots SET slot = slot - N WHERE start_at >= N AND end_at <= N

Count: 614  Time=0.01s (7s)  Lock=0.00s (0s)  Rows=10.1 (6181), isucon[isucon]@isucon1
  SELECT * FROM reservation_slots WHERE start_at >= N AND end_at <= N FOR UPDATE

Count: 20345  Time=0.00s (4s)  Lock=0.00s (0s)  Rows=5.0 (101223), isucon[isucon]@isucon1
  SELECT livestream_id, tags.id AS tag_id, tags.name as tag_name  FROM livestream_tags as l LEFT JOIN tags ON l.tag_id = tags.id WHERE livestream_id = N

Count: 1142  Time=0.00s (4s)  Lock=0.00s (0s)  Rows=3019.5 (3448238), isucon[isucon]@isucon1
  SELECT * FROM livecomments

Count: 1847  Time=0.00s (3s)  Lock=0.00s (0s)  Rows=245.5 (453459), isucon[isucon]@isucon1
  SELECT livestream_id, tags.id AS tag_id, tags.name as tag_name  FROM livestream_tags as l LEFT JOIN tags ON l.tag_id = tags.id WHERE livestream_id IN (N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N)

Count: 29153  Time=0.00s (3s)  Lock=0.00s (0s)  Rows=1.0 (29153), isucon[isucon]@isucon1
  SELECT * FROM users WHERE id = N

Count: 30565  Time=0.00s (3s)  Lock=0.00s (0s)  Rows=1.0 (30565), isucon[isucon]@isucon1
  SELECT * FROM livestreams WHERE id = N

Count: 29454  Time=0.00s (3s)  Lock=0.00s (0s)  Rows=0.0 (0), isucon[isucon]@isucon1
  COMMIT

explain

Reading from STDIN ...

# 17.2s user time, 60ms system time, 38.12M rss, 52.43M vsz
# Current date: Sat Nov 25 08:32:17 2023
# Hostname: ip-192-168-0-13
# Files: STDIN
# Overall: 264.83k total, 66 unique, 2.98k QPS, 1.16x concurrency ________
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:32:06
# Attribute          total     min     max     avg     95%  stddev  median
# ============     ======= ======= ======= ======= ======= ======= =======
# Exec time           103s     1us    78ms   388us     1ms     2ms    93us
# Lock time          266ms       0     5ms     1us     1us    22us     1us
# Rows sent          4.82M       0   7.90k   19.09   16.81  224.49    0.99
# Rows examine      78.48M       0  15.72k  310.74   1.39k  919.23    0.99
# Query size        15.35M       6    1000   60.77  151.03   69.54   40.45

# Profile
# Rank Query ID                     Response time Calls  R/Call V/M   Item
# ==== ============================ ============= ====== ====== ===== ====
#    1 0x38BC86A45F31C6B1EE32467... 23.9185 23.2%  29794 0.0008  0.00 SELECT themes
#    2 0x9EAD6C0CE525E3693EE27FF... 12.6298 12.3%    918 0.0138  0.00 SELECT livestreams
#    3 0xA3401CA3ABCC04C3AB221DB...  8.3690  8.1%    613 0.0137  0.00 UPDATE reservation_slots
#    4 0x5A8A79FB9E5D1635CA10FEA...  7.8343  7.6%   9799 0.0008  0.00 SELECT themes
# MISC 0xMISC                       50.2502 48.8% 223705 0.0002   0.0 <62 ITEMS>

# Query 1: 451.42 QPS, 0.36x concurrency, ID 0x38BC86A45F31C6B1EE324671506C898A at byte 19414449
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         11   29794
# Exec time     23     24s   239us    16ms   802us     2ms   741us   596us
# Lock time     14    37ms       0     3ms     1us     1us    25us     1us
# Rows sent      0  29.10k       1       1       1       1       0       1
# Rows examine  47  37.40M    1000   1.56k   1.29k   1.53k  167.80   1.26k
# Query size     7   1.16M      38      41   41.00   40.45    0.10   40.45
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us
# 100us  ################################################################
#   1ms  ##########
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'themes'\G
#    SHOW CREATE TABLE `themes`\G
# EXPLAIN /*!50100 PARTITIONS*/
SELECT * FROM themes WHERE user_id = 1013\G
# *************************** 1. row ***************************
#            id: 1
#   select_type: SIMPLE
#         table: themes
#    partitions: NULL
#          type: ALL
# possible_keys: NULL
#           key: NULL
#       key_len: NULL
#           ref: NULL
#          rows: 1600
#      filtered: 10.00
#         Extra: Using where

# Query 2: 13.91 QPS, 0.19x concurrency, ID 0x9EAD6C0CE525E3693EE27FFC9AAF05A3 at byte 50788743
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count          0     918
# Exec time     12     13s     4ms    51ms    14ms    26ms     6ms    12ms
# Lock time      0   966us       0    97us     1us     1us     3us     1us
# Rows sent      0   2.47k       0      21    2.75    7.70    2.93    1.96
# Rows examine   8   6.87M   7.32k   7.92k   7.66k   7.68k  187.06   7.68k
# Query size     0  41.23k      43      46   45.99   44.60    0.14   44.60
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us
# 100us
#   1ms  ##########################
#  10ms  ################################################################
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'livestreams'\G
#    SHOW CREATE TABLE `livestreams`\G
# EXPLAIN 
SELECT * FROM livestreams WHERE user_id = 1189\G
# *************************** 1. row ***************************
#            id: 1
#   select_type: SIMPLE
#         table: livestreams
#    partitions: NULL
#          type: ALL
# possible_keys: NULL
#           key: NULL
#       key_len: NULL
#           ref: NULL
#          rows: 7952
#      filtered: 10.00
#         Extra: Using where

# Query 3: 9.29 QPS, 0.13x concurrency, ID 0xA3401CA3ABCC04C3AB221DB8AD5CBF26 at byte 54994065
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count          0     613
# Exec time      8      8s     5ms    47ms    14ms    27ms     7ms    12ms
# Lock time      0   692us       0   126us     1us     1us     5us     1us
# Rows sent      0       0       0       0       0       0       0       0
# Rows examine   6   5.12M   8.55k   8.55k   8.55k   8.55k       0   8.55k
# Query size     0  58.67k      98      98      98      98       0      98
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us
# 100us
#   1ms  ##############################
#  10ms  ################################################################
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'reservation_slots'\G
#    SHOW CREATE TABLE `reservation_slots`\G
UPDATE reservation_slots SET slot = slot - 1 WHERE start_at >= 1705197600 AND end_at <= 1705204800\G
# Converted for EXPLAIN
# EXPLAIN 
select  slot = slot - 1 from reservation_slots where  start_at >= 1705197600 AND end_at <= 1705204800\G

# Query 4: 148.47 QPS, 0.12x concurrency, ID 0x5A8A79FB9E5D1635CA10FEA9BAB68CB0 at byte 68949009
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T08:30:37 to 2023-11-25T08:31:43
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count          3    9799
# Exec time      7      8s   245us    14ms   799us     2ms   659us   626us
# Lock time      4    12ms       0   846us     1us     1us    13us     1us
# Rows sent      1  96.03k       1     142   10.03   49.17   18.09    1.96
# Rows examine  15  12.30M    1001   1.56k   1.29k   1.53k  166.68   1.26k
# Query size     6 956.45k      44     756   99.95  329.68  104.19   49.17
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us
# 100us  ################################################################
#   1ms  ##########
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'themes'\G
#    SHOW CREATE TABLE `themes`\G
# EXPLAIN 
SELECT * FROM themes WHERE user_id IN (1345)\G
# *************************** 1. row ***************************
#            id: 1
#   select_type: SIMPLE
#         table: themes
#    partitions: NULL
#          type: ALL
# possible_keys: NULL
#           key: NULL
#       key_len: NULL
#           ref: NULL
#          rows: 1600
#      filtered: 10.00
#         Extra: Using where

netdata

http://localhost:19993/#menu_services;after=1700901037191;before=1700901117198

pprof

go tool pprof -http=0.0.0.0:1080 http://isucon3/pprof/11250830

saza-ku / isucon13

11250830 #96

isucon1

alp

slow query

explain

netdata

pprof

isucon2

alp

slow query

explain

netdata

pprof

isucon3

alp

slow query

explain

netdata

pprof