DatadogでAPI毎のSQL発行数を可視化してN+1を改善した話

2024-05-29
Japan Datadog User Group Meetup#4
https://datadog-jp.connpass.com/event/317091/

Transcript

1. 
   +BQBO
   %BUBEPH
   6TFS
   (SPVQ
   .FFUVQ
   גࣜձࣾχʔϦʔ
   ,FJTVLF
   .JZBVTIJSP !NJZBLFJ /&"--& %BUBEPHͰ"1*ຖͷ42-ൃߦ਺Λ
   ՄࢹԽͯ͠/ Λվળͨ͠࿩ 
2.  ࢯ໊ ॴଐ ܦྺ ٶޙ
   ܒհʗ
   ,FJTVLF
   .JZBVTIJSP גࣜձࣾχʔϦʔ
   ϓϩμΫτຊ෦
   ϓϥοτϑΥʔϜάϧʔϓ
   43&νʔϜ ʢגࣜձࣾ೔ཱιϦϡʔγϣϯζʣ
   ɹۀ຿γεςϜͷ։ൃ
   ʢϠϑʔגࣜձࣾʣ
   ɹ48"5ͱͯ͠ϠϑʔϝʔϧͳͲෳ਺αʔϏεͷ։ൃ 
 ɹͦͷޙɺ1BZ1BZϑϦϚͷ43&νʔϜϦʔμʔ
   OPXʢגࣜձࣾχʔϦʔʣ
   ɹ1BSL
   %JSFDUͷ43&νʔϜ ʛࣗݾ঺հ !NJZBLFJ
3.  ʛϓϩμΫτ঺հ
4.  ʛ՝୊ %#ͷෛՙߴ͘ͳ͍ʁ "1*΋ͳΜ͔஗͘ͳ͍ʁ Ͱ΋ɺϦΫΤετͦΜͳʹ͖ͯͳ͍Αͳ͊ ͳΜ͔42-ͷൃߦ਺ҟ༷ʹଟ͘ͳ͍ʁ Ͳͷ"1*Ͱى͖ͯΔʁ ࠓ͋Δ৘ใ͚ͩͩͱΘ͔Βͳ͍ / ى͖ͯͳ͍ʁ ͋Δ࣌͜Μͳ՝୊͕͋Γ·ͨ͠🤔
5. ਪଌ͢ΔͳɺܭଌͤΑʂ
   ˠ
   "1*ຖͷ42-ൃߦ਺Λܭଌ͢Δ࢓૊ΈΛ࡞ͬͯΈ·ͨ͠  ʛ՝୊
6.  ʛܭଌͷ͘͠Έ
   
   શମߏ੒
    0QFO5FMNFUSZͰܭଌ͠ɺEBUBEPHBHFOUΛܦ༝ͯ͠EBUBEPHʹϝτϦΫεΛ஝ੵ͢ΔΑ͏ʹ͍ͯ͠·͢
7.  ʛܭଌͷ͘͠Έ
   
   ΞϓϦέʔγϣϯ෦෼
    ˞
   1ZUIPO
   Y
   %KBOHPΛ࢖͍ͬͯ·͢
8.  EBUBEPHBHFOUίϯςφ
   • ؀ڥม਺
   ◦ %%@05-1@$0/'*(@3&$&*7&3@13050$0-4@)551@&/%10*/5
   ▪ 05&-͔ΒͷϝτϦΫεసૹΛड͚෇͚ΔΤϯυϙΠϯτ
   ◦ %%@05-1@$0/'*(@.&53*$4@3&4063$&@"553*#65&4@"4@5"(4USVF
   ▪ &$4ͷϦιʔε৘ใΛଐੑʹ௥Ճ͢Δઃఆ
   • 1PSU.BQQJOH
   ◦ IPTU1PSU
   
   DPOUBJOFS1PSU
   QSPUPDPMUDQ
   ▪ "QQMJDBUJPO
   ˠ
   EBUBEPHBHFOUίϯςφؒͰ௨৴Ͱ͖ΔΑ͏ʹ։์
   "QQMJDBUJPOίϯςφઃఆ
   • ؀ڥม਺
   ◦ 05&-@&91035&3@05-1@&/%10*/5IUUQMPDBMIPTU
   ▪ 0QFO5FMFNFUSZ
   4%,ͷϝτϦΫεసૹઌ ʛܭଌͷ͘͠Έ
   
   EBUBEPHBHFOU΁ͷసૹ෦෼
   
9. "1*ຖͷฏۉ42-ൃߦ਺ʢ
   
   "1*ͷ૯42-ൃߦ਺
   ×
   "1*ͷϦΫΤετ਺ʣΛϥϯΩϯάԽ͢Δ͜ͱͰ
   
 / ͕ൃੜ͍ͯ͠ΔՄೳੑͷߴ͍"1*Λಛఆ͢Δ͜ͱ͕Ͱ͖·ͨ͠ʂ
   ɹˠɹ"1.ͷ5SBDF৘ใΛ΋ͱʹৄࡉΛ֬ೝ͠ݸผʹվળΛ࣮ࢪʂ  ʛޮՌ ฏۉ42-ൃߦ਺ "1* "1.ͷ5SBDF৘ใ 
 ʢԫɾࢵɿ42-࣮ߦՕॴʣ
10.  ʛޮՌ վળΛਐΊͨ͜ͱͰύϑΥʔϚϯεΛେ͖͘վળ͢Δ͜ͱ͕Ͱ͖·ͨ͠ʂ
    • ฏۉ42-ൃߦ਺ϦΫΤετɹɿ
    ໿࡟ݮ
    • ฏۉ"1*ϨΠςϯγʔʢ1ʣɿ
    ໿NTվળ ฏۉ42-ൃߦ਺ϦΫΤετ "1*ϨΠςϯγʔʢ1ʣ
11. χʔϦʔͰ͸ɺ43&͸΋ͪΖΜɺ
    ଞͷϙδγϣϯ΋ੵۃ࠾༻தͰ͢ʂ IUUQTKPCTOFBMMFDPN 8F
    BSF
    IJSJOH
12. 5IBOL
    ZPV