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saza-ku / isucon13

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11250618 #56

Open saza-ku opened 10 months ago

saza-ku commented 10 months ago

isucon1

alp

+-------+--------+------------------------------------------+-------+-------+---------+-------+-------+
| COUNT | METHOD |                   URI                    |  MIN  |  MAX  |   SUM   |  AVG  |  P99  |
+-------+--------+------------------------------------------+-------+-------+---------+-------+-------+
| 9358  | GET    | /api/user/.+/icon                        | 0.008 | 0.260 | 158.122 | 0.017 | 0.104 |
| 1093  | GET    | /api/livestream/.+/livecomment           | 0.004 | 0.676 | 152.104 | 0.139 | 0.524 |
| 312   | GET    | /api/livestream/.+                       | 0.004 | 1.132 | 147.749 | 0.474 | 0.892 |
| 1127  | GET    | /api/livestream/.+/reaction              | 0.004 | 0.688 | 146.598 | 0.130 | 0.540 |
| 1120  | POST   | /api/livestream/.+/livecomment           | 0.008 | 0.264 | 65.589  | 0.059 | 0.152 |
| 536   | POST   | /api/register                            | 0.004 | 0.312 | 55.149  | 0.103 | 0.208 |
| 365   | POST   | /api/livestream/.+                       | 0.032 | 0.252 | 32.881  | 0.090 | 0.224 |
| 1005  | POST   | /api/livestream/.+/reaction              | 0.004 | 0.168 | 32.209  | 0.032 | 0.120 |
| 562   | POST   | /api/icon                                | 0.004 | 0.172 | 15.500  | 0.028 | 0.132 |
| 195   | GET    | /api/livestream                          | 0.004 | 0.168 | 12.160  | 0.062 | 0.164 |
| 270   | GET    | /api/livestream/.+/ngwords               | 0.004 | 0.164 | 11.374  | 0.042 | 0.120 |
| 541   | POST   | /api/login                               | 0.004 | 0.136 | 10.260  | 0.019 | 0.112 |
| 353   | GET    | /api/tag                                 | 0.004 | 0.124 | 7.264   | 0.021 | 0.100 |
| 362   | GET    | /api/livestream/.+/report                | 0.004 | 0.112 | 7.152   | 0.020 | 0.100 |
| 189   | POST   | /api/livestream/.+/moderate              | 0.004 | 0.132 | 4.920   | 0.026 | 0.116 |
| 57    | POST   | /api/livestream/.+/livecomment/.+/report | 0.004 | 0.256 | 2.676   | 0.047 | 0.256 |
| 16    | GET    | /api/user/.+/statistics                  | 0.032 | 0.224 | 2.580   | 0.161 | 0.224 |
| 101   | POST   | /api/livestream/.+/enter                 | 0.012 | 0.112 | 1.928   | 0.019 | 0.104 |
| 90    | DELETE | /api/livestream/.+/exit                  | 0.004 | 0.156 | 1.780   | 0.020 | 0.156 |
| 14    | GET    | /api/user/.+/livestream                  | 0.052 | 0.188 | 1.544   | 0.110 | 0.188 |
| 6     | GET    | /api/livestream/.+/statistics            | 0.032 | 0.160 | 0.592   | 0.099 | 0.160 |
| 15    | GET    | /api/user/.+/theme                       | 0.004 | 0.108 | 0.332   | 0.022 | 0.108 |
| 4     | GET    | /api/user/.+                             | 0.000 | 0.004 | 0.004   | 0.001 | 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=1700893123347;before=1700893199376

pprof

go tool pprof -http=0.0.0.0:1080 http://isucon1/pprof/11250618
saza-ku commented 10 months ago

isucon2

alp

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

slow query

Count: 34097  Time=0.00s (56s)  Lock=0.00s (0s)  Rows=0.1 (4350), 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: 24054  Time=0.00s (37s)  Lock=0.00s (0s)  Rows=0.5 (12142), 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: 42090  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: 533  Time=0.00s (1s)  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: 1066  Time=0.00s (1s)  Lock=0.00s (0s)  Rows=0.5 (533), 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: 95377  Time=0.00s (1s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  #

Count: 533  Time=0.00s (0s)  Lock=0.00s (0s)  Rows=0.0 (0), isudns[isudns]@isucon1
  commit

Count: 533  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: 533  Time=0.00s (0s)  Lock=0.00s (0s)  Rows=1.0 (533), isudns[isudns]@isucon1
  select id,name,master,last_check,notified_serial,type,options,catalog,account from domains where name='S'

Count: 1066  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 ...

# 12.3s user time, 50ms system time, 36.75M rss, 51.07M vsz
# Current date: Sat Nov 25 06:20:18 2023
# Hostname: ip-192-168-0-12
# Files: STDIN
# Overall: 200.42k total, 20 unique, 2.44k QPS, 1.27x concurrency ________
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:20:05
# Attribute          total     min     max     avg     95%  stddev  median
# ============     ======= ======= ======= ======= ======= ======= =======
# Exec time           104s     1us    10ms   518us     2ms   759us    89us
# Lock time          155ms       0     4ms       0     1us    16us     1us
# Rows sent         17.15k       0       1    0.09    0.99    0.28       0
# Rows examine      88.73M       0   1.77k  464.20   1.61k  699.23       0
# Query size        15.71M       5     216   82.18  151.03   48.85  112.70

# Profile
# Rank Query ID                      Response time Calls R/Call V/M   Item
# ==== ============================= ============= ===== ====== ===== ====
#    1 0x42EF7D7D98FBCC9723BF896E... 56.6431 54.5% 34097 0.0017  0.00 SELECT records
#    2 0x3D83BC87F3B3A00D571FFC81... 37.1985 35.8% 24054 0.0015  0.00 SELECT records
#    3 0x22279D81D51006139E0C7640...  4.6845  4.5% 42090 0.0001  0.00 SELECT domains domainmetadata
#    4 0x859BBB7E9D760686137A9444...  1.9907  1.9%   533 0.0037  0.00 DELETE records
# MISC 0xMISC                         3.3991  3.3% 99648 0.0000   0.0 <16 ITEMS>

# Query 1: 501.43 QPS, 0.83x concurrency, ID 0x42EF7D7D98FBCC9723BF896EBFC51D24 at byte 30648802
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         17   34097
# Exec time     54     57s   702us    10ms     2ms     2ms   450us     2ms
# Lock time     25    39ms       0   131us     1us     1us     1us     1us
# Rows sent     24   4.25k       0       1    0.13    0.99    0.33       0
# Rows examine  57  50.64M   1.25k   1.77k   1.52k   1.69k  144.39   1.46k
# Query size    29   4.63M     129     216  142.27  158.58   12.09  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='rxp1ta7dzcqhrbj8rkd1q0.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='rxp1ta7dzcqhrbj8rkd1q0.u.isucon.dev' and domain_id=4"] at /usr/bin/pt-query-digest line 7796.

# Query 2: 353.74 QPS, 0.55x concurrency, ID 0x3D83BC87F3B3A00D571FFC8104A6E50C at byte 11792467
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         12   24054
# Exec time     35     37s   658us     9ms     2ms     2ms   423us     1ms
# Lock time     18    29ms       0   665us     1us     1us     4us     1us
# Rows sent     69  11.86k       0       1    0.50    0.99    0.50    0.99
# Rows examine  40  35.73M   1.25k   1.77k   1.52k   1.69k  144.67   1.46k
# Query size    19   3.12M     126     215  136.10  151.03   11.49  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: 618.97 QPS, 0.07x concurrency, ID 0x22279D81D51006139E0C76405B54C261 at byte 49419470
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         21   42090
# Exec time      4      5s    72us     3ms   111us   125us    80us    98us
# Lock time     39    61ms       0     1ms     1us     1us     5us     1us
# Rows sent      0       0       0       0       0       0       0       0
# Rows examine   0       0       0       0       0       0       0       0
# Query size    29   4.58M     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: 7.84 QPS, 0.03x concurrency, ID 0x859BBB7E9D760686137A944406874C4D at byte 56514538
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count          0     533
# Exec time      1      2s     2ms     8ms     4ms     5ms   761us     3ms
# Lock time     15    24ms       0     4ms    44us     1us   319us     1us
# Rows sent      0       0       0       0       0       0       0       0
# Rows examine   0 804.70k   1.25k   1.77k   1.51k   1.69k  150.49   1.46k
# Query size     0  44.57k      78      93   85.63   88.31    3.34   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='minoru750.u.isucon.dev' and type='A'\G
# Converted for EXPLAIN
# EXPLAIN 
select * from  records where domain_id=4 and name='minoru750.u.isucon.dev' and type='A'\G

netdata

http://localhost:19992/#menu_services;after=1700893123356;before=1700893203364

pprof

go tool pprof -http=0.0.0.0:1080 http://isucon2/pprof/11250618
saza-ku commented 10 months ago

isucon3

alp

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

slow query

Count: 56440  Time=0.00s (46s)  Lock=0.00s (0s)  Rows=1.0 (56440), isucon[isucon]@isucon1
  SELECT * FROM themes WHERE user_id = N

Count: 1120  Time=0.02s (20s)  Lock=0.00s (0s)  Rows=0.0 (49), isucon[isucon]@isucon1
  SELECT id, user_id, livestream_id, word FROM ng_words WHERE user_id = N AND livestream_id = N

Count: 65779  Time=0.00s (17s)  Lock=0.00s (0s)  Rows=0.9 (60684), isucon[isucon]@isucon1
  SELECT icon_path FROM icons WHERE user_id = N

Count: 172384  Time=0.00s (14s)  Lock=0.00s (0s)  Rows=1.0 (172384), isucon[isucon]@isucon1
  SELECT * FROM tags WHERE id = N

Count: 362  Time=0.03s (9s)  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: 363  Time=0.02s (7s)  Lock=0.00s (0s)  Rows=9.7 (3514), isucon[isucon]@isucon1
  SELECT * FROM reservation_slots WHERE start_at >= N AND end_at <= N FOR UPDATE

Count: 36743  Time=0.00s (6s)  Lock=0.00s (0s)  Rows=4.7 (172398), isucon[isucon]@isucon1
  SELECT * FROM livestream_tags WHERE livestream_id = N

Count: 55891  Time=0.00s (5s)  Lock=0.00s (0s)  Rows=1.0 (55891), isucon[isucon]@isucon1
  SELECT * FROM users WHERE id = N

Count: 270  Time=0.02s (5s)  Lock=0.00s (0s)  Rows=0.0 (3), isucon[isucon]@isucon1
  SELECT * FROM ng_words WHERE user_id = N AND livestream_id = N ORDER BY created_at DESC

Count: 225  Time=0.02s (4s)  Lock=0.00s (0s)  Rows=2.4 (547), isucon[isucon]@isucon1
  SELECT * FROM livestreams WHERE user_id = N

explain

Reading from STDIN ...

# 27.8s user time, 90ms system time, 37.75M rss, 52.02M vsz
# Current date: Sat Nov 25 06:20:35 2023
# Hostname: ip-192-168-0-13
# Files: STDIN
# Overall: 469.07k total, 63 unique, 5.58k QPS, 1.80x concurrency ________
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:20:07
# Attribute          total     min     max     avg     95%  stddev  median
# ============     ======= ======= ======= ======= ======= ======= =======
# Exec time           151s     1us    75ms   321us   725us     2ms    80us
# Lock time          449ms       0     9ms       0     1us    22us     1us
# Rows sent        997.98k       0   7.65k    2.18    4.96   42.52    0.99
# Rows examine     117.28M       0  14.01k  262.16   1.33k  944.44    0.99
# Query size        17.40M       6     453   38.89   54.21   20.73   34.95

# Profile
# Rank Query ID                     Response time Calls  R/Call V/M   Item
# ==== ============================ ============= ====== ====== ===== ====
#    1 0x38BC86A45F31C6B1EE32467... 46.6406 30.9%  56440 0.0008  0.00 SELECT themes
#    2 0x64CC8A4E8E4B39020337559... 20.6234 13.7%   1120 0.0184  0.00 SELECT ng_words
#    3 0xB4FC1F99A422ACB1A54E6E2... 17.1467 11.4%  65779 0.0003  0.00 SELECT icons
#    4 0xFBC5564AE716EAE82F20BFB... 14.6687  9.7% 172384 0.0001  0.00 SELECT tags
# MISC 0xMISC                       51.8109 34.3% 173351 0.0003   0.0 <59 ITEMS>

# Query 1: 830 QPS, 0.69x concurrency, ID 0x38BC86A45F31C6B1EE324671506C898A at byte 78425078
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         12   56440
# Exec time     30     47s   238us    15ms   826us     2ms   770us   596us
# Lock time     11    52ms       0     1ms       0     1us     9us     1us
# Rows sent      5  55.12k       1       1       1       1       0       1
# Rows examine  58  68.83M    1000   1.50k   1.25k   1.46k  149.35   1.20k
# Query size    12   2.20M      38      41   40.95   40.45    0.42   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 = 1196\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: 1533
#      filtered: 10.00
#         Extra: Using where

# Query 2: 16.47 QPS, 0.30x concurrency, ID 0x64CC8A4E8E4B390203375597CE4D611F at byte 102231746
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count          0    1120
# Exec time     13     21s     4ms    70ms    18ms    33ms     8ms    16ms
# Lock time      0   927us       0    13us       0     1us       0     1us
# Rows sent      0      49       0       2    0.04       0    0.25       0
# Rows examine  13  15.32M  14.00k  14.01k  14.01k  13.78k       0  13.78k
# Query size     0 108.28k      97      99   99.00   97.36    0.20   97.36
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us
# 100us
#   1ms  ##########
#  10ms  ################################################################
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'ng_words'\G
#    SHOW CREATE TABLE `ng_words`\G
# EXPLAIN 
SELECT id, user_id, livestream_id, word FROM ng_words WHERE user_id = 1013 AND livestream_id = 7524\G
# *************************** 1. row ***************************
#            id: 1
#   select_type: SIMPLE
#         table: ng_words
#    partitions: NULL
#          type: ALL
# possible_keys: NULL
#           key: NULL
#       key_len: NULL
#           ref: NULL
#          rows: 14282
#      filtered: 1.00
#         Extra: Using where

# Query 3: 967.34 QPS, 0.25x concurrency, ID 0xB4FC1F99A422ACB1A54E6E2F01B84879 at byte 100031448
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         14   65779
# Exec time     11     17s    46us    13ms   260us   568us   413us   185us
# Lock time     14    66ms       0     3ms     1us     1us    18us     1us
# Rows sent      5  59.26k       0       1    0.92    0.99    0.27    0.99
# Rows examine  14  16.89M       0     525  269.22  487.09  147.13  271.23
# Query size    17   3.01M      45      48   47.93   46.83    0.19   46.83
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us  ######
# 100us  ################################################################
#   1ms  ##
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'icons'\G
#    SHOW CREATE TABLE `icons`\G
# EXPLAIN 
SELECT icon_path FROM icons WHERE user_id = 1250\G
# *************************** 1. row ***************************
#            id: 1
#   select_type: SIMPLE
#         table: icons
#    partitions: NULL
#          type: ALL
# possible_keys: NULL
#           key: NULL
#       key_len: NULL
#           ref: NULL
#          rows: 525
#      filtered: 10.00
#         Extra: Using where

# Query 4: 2.54k QPS, 0.22x concurrency, ID 0xFBC5564AE716EAE82F20BFB45F6C37E7 at byte 47731648
# This item is included in the report because it matches --limit.
# Scores: V/M = 0.00
# Time range: 2023-11-25T06:18:43 to 2023-11-25T06:19:51
# Attribute    pct   total     min     max     avg     95%  stddev  median
# ============ === ======= ======= ======= ======= ======= ======= =======
# Count         36  172384
# Exec time      9     15s    42us    12ms    85us    93us   174us    66us
# Lock time     39   178ms       0     6ms     1us     1us    24us     1us
# Rows sent     16 168.34k       1       1       1       1       0       1
# Rows examine   0 168.34k       1       1       1       1       0       1
# Query size    30   5.25M      31      33   31.92   31.70    0.48   31.70
# String:
# Hosts        isucon1
# Users        isucon
# Query_time distribution
#   1us
#  10us  ################################################################
# 100us  ##
#   1ms  #
#  10ms  #
# 100ms
#    1s
#  10s+
# Tables
#    SHOW TABLE STATUS LIKE 'tags'\G
#    SHOW CREATE TABLE `tags`\G
# EXPLAIN 
SELECT * FROM tags WHERE id = 44\G
# *************************** 1. row ***************************
#            id: 1
#   select_type: SIMPLE
#         table: tags
#    partitions: NULL
#          type: const
# possible_keys: PRIMARY
#           key: PRIMARY
#       key_len: 8
#           ref: const
#          rows: 1
#      filtered: 100.00
#         Extra: NULL

netdata

http://localhost:19993/#menu_services;after=1700893123350;before=1700893203357

pprof

go tool pprof -http=0.0.0.0:1080 http://isucon3/pprof/11250618