知っておくと便利な Exponential Backoff / Exponential Backoff

Transcript

1. 濼׏גֶֻה⤑ⵃז
   &YQPOFOUJBM
   #BDLP 
   爡ⰻ⹈䓼⠓
   !LBLBLBLBLLV

2. 8IBU
   JT
   &YQPOFOUJBM
   #BDLP
   ؙؒأهطٝءٍٕغحؙؔؿ׏ג
   

3. &YQPOFOUJBM
   #BDLP
   JT ‣ ؒٓ٦ָ涪欰׃׋הֹךٔزٓ؎꟦ꥫ׾
 䭷侧ꟼ侧涸ח㟓װ׃גְֻ➬穈׫،ٕ؞ٔؤي
   ‣ ؙٓؐس
   "1*
   꽀⹛
   
   و؎ؙٗ؟٦ؽأזוךⵖ秈ה׃ג
 طحزٙ٦ؙח⣛㶷׃׋♧儗涸זؒٓ٦ָ涪欰ׅ׷ֿהכ֮׷
   ‣ ׬׃׹♧儗涸זؒٓ٦׾⵸䲿חٔزٓ؎Ⳣ椚׾䮠׬ֿהח״׏ג
 ؒٝآص،ך麊欽؝أزָ♴ָ׷
   

   ‣ ٓٝتيז鹼䒀儗꟦
   +JUUFS
   ׾⸇皾ׅ׷㜥さ׮֮׷

4. &YQPOFOUJBM
   #BDLP
   JT ‣ ؒٓ٦ָ涪欰׃׋הֹךٔزٓ؎꟦ꥫ׾
 䭷侧ꟼ侧涸ח㟓װ׃גְֻ➬穈׫،ٕ؞ٔؤي
   ‣ ؙٓؐس
   "1*
   꽀⹛
   
   و؎ؙٗ؟٦ؽأזוךⵖ秈ה׃ג
 طحزٙ٦ؙח⣛㶷׃׋♧儗涸זؒٓ٦ָ涪欰ׅ׷ֿהכ֮׷
   ‣ ׬׃׹♧儗涸זؒٓ٦׾⵸䲿חٔزٓ؎Ⳣ椚׾䮠׬ֿהח״׏ג
 ؒٝآص،ך麊欽؝أزָ♴ָ׷
   

   ‣ ٓٝتيז鹼䒀儗꟦
   +JUUFS
   ׾⸇皾ׅ׷㜥さ׮֮׷ 

5. 
   
   
   
   
   
   
   
   
   猱

6. "84
   ׾⢪ֲֶ⡲岀ה׃ג׮
   &YQPOFOUJBM
   #BDLP
   ָ䱿㤺ׁ׸גְ׷
   "84
   4%,
   דכ傀ח㹋鄲ׁ׸גְ׷ IUUQTEPDTBXTBNB[PODPNKB@KQHFOFSBMMBUFTUHSBQJSFUSJFTIUNM

7. ؟٦غ٦ؒٓ٦
   YY
   ת׋כأٗحزؚٔٝؒ ٓ٦׾「ֽ《׷⯋ךؙٔؒأز׾ⱄ鑐遤ׅ׷䗳銲 ָ֮׶תׅկ׋׌׃ծؙٓ؎،ٝزؒٓ٦
   YY
   כծⱄ鑐遤ׅ׷⵸חؙٔؒأز׾⥜姻׃ג㉏겗׾ 鍑寸ׅ׷䗳銲ָ֮׷ֿה׾爙׃גְתׅկ

8. ֶ遤⭑葺ֻٔزٓ؎ׅ׷

9. ׋׌꠹ꨡחٔزٓ؎ׅ׶ׯ
   葺ְ׻ֽׄׯזְ

10. ֶ遤⭑葺ֻٔزٓ؎ׅ׷ ‣ 湱䩛ך㡮׾׃׏ַ׶ה耀ֻ
    
    ٖأهٝأ؝٦س׾鋅׷
    ‣ ٔزٓ؎ׅ׷ה⸬卓ָ֮׷
    ‣ ؟٦غ٦ؒٓ٦
    YY
    ה
    أٗحزؚٔٝؒٓ٦
    ‣

    ؙٔؒأز׾⥜姻׃זְהٔزٓ؎׃ג׮⸬卓ָזְ
    ‣ ؙٓ؎،ٝزؒٓ٦
    YY

11. ֶ遤⭑葺ֻٔزٓ؎ׅ׷ ‣ 湱䩛ך㡮׾׃׏ַ׶ה耀ֻ
    
    ٖأهٝأ؝٦س׾鋅׷
    ‣ ٔزٓ؎ׅ׷ה⸬卓ָ֮׷
    ‣ ؟٦غ٦ؒٓ٦
    YY
    ה
    أٗحزؚٔٝؒٓ٦
    ‣

    ؙٔؒأز׾⥜姻׃זְהٔزٓ؎׃ג׮⸬卓ָזְ
    ‣ ؙٓ؎،ٝزؒٓ٦
    YY 

12. 8IBU
    JT
    5ISPUUMJOH
    أٗحزؚٔٝ׏ג
    

13. 5ISPUUMJOH
    JT ‣ ♧㹀儗꟦ⰻחⵖꣲ׾馄ִ׋㔐侧ךؙٔؒأز׾
 굲ל׃׋㜥さחؒٓ٦חז׷ֿה"1*
    ؝٦ٕ♳ꣲהずׄ
    ‣ ؟٦ؽأ⩎ַ׵ׅ׷ה
    %%P4
    זו׾꣇ּ湡涸׮֮׷
    ‣ "84
    ׌ה
    ؟٦ؽأ׀החأٗحزؚٔٝⵖꣲָ֮׷
    ‣ $MPVE8BUDI
    
    "NB[PO
    "1*
    (BUFXBZ
    זו
    

    ‣ 歍锜ד♳ꣲ箢ㄤכ〳腉"84
    麊欽罏ז׵ֶ꼧厩׫ך֮׸

14. 鷞חٔزٓ؎׾䫇ⵖׅ׷

15. 3FUSZ
    5ISPUUMJOH ٔزٓ؎׾䫇ⵖׅ׷

16. 3FUSZ
    5ISPUUMJOH
    JT ‣ ٔزٓ؎ָ넝然桦ד㣟侁׃׋׶䘔瘶儗꟦ָꞿְ㜥さ׌ה
    ‣ ٔزٓ؎ׅ׷ֿהח״׏ג鷞חؙٓ؎،ٝز⩎ח堣腉♶Ⰻָ饯ֹ׷
    ‣ ׉ך״ֲז㜥さחٔزٓ؎׾䫇ⵖׅ׷堣腉ךֿה׾鎉ֲ
    ‣ "84
    4%,
    GPS
    +BWB
    
    "84
    4%,
    GPS
    /&5
    חכ傀ח㹋鄲ׁ׸גְ׷

17. 圫ղז鎉铂ד㹋鄲ׁ׸׋
    &YQPOFOUJBM
    #BDLP

18. 3VCZ
    
    3FUSJFT ‣ IUUQTHJUIVCDPNPPZBMBSFUSJFT
    ‣ ءٝفٕח㹋鄲ׁ׸גְ׷
    ‣ رؿٕؓز׌ה
    4UBOEBSE&SSPS
    ׾
    SFTDVF
    ׃גְ׷ require 'retries' with_retries(max_tries:

    10, max_sleep_seconds: 100.0) { puts Time.now raise StandardError }

19. 3VCZ
    
    3FUSJBCMF ‣ IUUQTHJUIVCDPNLBNVJSFUSJBCMF
    ‣ 3FUSJFT
    ״׶醱꧟זػًٓ٦ةדثُ٦صؚٝ〳腉
    ‣ رؿٕؓز׌ה
    4UBOEBSE&SSPS
    ׾
    SFTDVF
    ׃גְ׷ require 'retriable' Retriable.retriable

    tries: 10 do puts Time.now raise StandardError end

20. 0UIFS ‣ 1)1
    ‣ IUUQTHJUIVCDPNZSJWFJSPQIQCBDLP
    ‣ (PMBOH
    ‣ IUUQTHJUIVCDPNDFOLBMUJCBDLP
    ‣

    1ZUIPO
    ‣ IUUQTHJUIVCDPNSIPMEFSSFUSZJOH

21. ىسٕؐؑ،ד㹋鄲ׁ׸׋
    &YQPOFOUJBM
    #BDLP

22. 'MVFOUE ‣ IUUQTHJUIVCDPNVFOUVFOUE
    ‣ 0VUQVU
    1MVHJO
    כرؿٕؓزד
    &YQPOFOUJBM
    #BDLP
    דٔزٓ؎ׅ׷
    ‣ ꟼ鸬ׅ׷鏣㹀⦼
    ‣ SFUSZ@MJNJU
    ‣

    SFUSZ@XBJU

23. 'MVFOUE ‣ 㹋ꥷח
    GPSXPSE
    ח㣟侁ׅ׷橆㞮׾⡲׏ג鑐׃ג׫׋
    ‣ SFUSZ@MJNJU
    
    ‣ SFUSZ@XBJU
    T
    ‣ קר
    Z
    
    ?Y
    ח䖞ֲ
    ‣

    杝荈ךٗآحؙח״׏ג侧猱ך铎䊴
    +JUUFS
    ָⰅ׷
24. None

25. תה׭

26. ׮׃➙䖓ٔزٓ؎Ⳣ椚׾㹋鄲ׅ׷堣⠓ָ֮׸ל
    ךֿה׾䙼ְ⳿׃גֻ׌ְׁ &YQPOFOUJBM
    #BDLP