pyconjp2021-locust

https://2021.pycon.jp/time-table?id=269708
https://github.com/TatchNicolas/pyconjp2021-locust

Transcript

1. Locust࣮ફฤ: PythonͰॻ͘ෛՙࢼݧҰ໰Ұ౴
   ฏ੉ ୡ໵ / @TatchNicolas
   

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2. ฏ੉ୡ໵!5BUDI/JDPMBT
   ೥͔Β+9௨৴ࣾɻ
   

   

   1ZUIPO(PͰαʔόαΠυ։ൃͨ͠Γɺ
   "84($1্Ͱ؀ڥ੔͑ͨΓͯ͠·͢ɻ
   ӳޠͱதࠃޠ͕ͪΐͬͱ͚ͩ࿩ͤ·͢ɻ
   ࣗݾ঺հ
   

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3. ʮσʔλΠϯςϦδΣϯεͷྗͰΑΓ๛͔Ͱ҆શͳࣾձΛ૑ΔʯใಓϕϯνϟʔͰ͢ɻ
   +9௨৴ࣾͬͯʁ"CPVU+913&44$PSQ
   

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4. "HFOEB
   1.Locustͱ͸ʁ
   2.͜ΕɺLocustͰͲ͏΍Δͷʁ
   2.1.Ϩεϙϯεͷৄࡉͳ֬ೝ
   2.2.ςετσʔλͷॳظԽ
   2.3.ίϚϯυϥΠϯ͔Βͷىಈ
   2.4.Ϋϥελߏ੒Ͱͷىಈ
   3.σϞɾ·ͱΊ
   

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5. -PDVTUͱ͸ʁ
   
   8IBU`T-PDVTU
   

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6. -PDVTUͱ͸ʁ8IBU`T-PDVTU
   1ZUIPO੡ͷෛՙࢼݧϑϨʔϜϫʔΫ
   w ෛՙࢼݧ໛ٖతʹଟ਺ͷϢʔβΞΫηεΛߦ͍γεςϜͷৼΔ෣͍ΛݟΔ͜ͱ
   

   -PBEUFTUJOHJTBTJNVMBUJPOPGBDDFTTJOHCZNVMUJQMFVTFSTUPTFFTZTUFN`TCFIBWJPVST
   w γφϦΦ΋1ZUIPOίʔυͱͯ͠ॻ͘
   

   5FTUTDFOBSJPTBSFXSJUUFOJO1ZUIPO
   w ͳͷͰɺ1ZUIPOͰग़དྷΔ͜ͱͳΒେମग़དྷΔ
   

   4PBOZUIJOHQPTTJCMFJO1ZUIPOJTQPTTJCMFJOUIFMPBEUFTUJOH
   -PBEUFTUJOHGSBNFXPSLXSJUUFOJO1ZUIPO
   

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7. -PDVTUͱ͸ʁ8IBU`T-PDVTU
   1ZUIPO੡ͷෛՙࢼݧϑϨʔϜϫʔΫ
   w ๛෋ͳαϯϓϧίʔυ΍ɺศརͳϓϥάΠϯ΋͋Δ
   

   -PUTPGFYBNQMFTBOEVTFGVMQMVHJOTBSFBWBJMBCMF
   

   IUUQTHJUIVCDPNMPDVTUJPMPDVTUUSFFNBTUFSFYBNQMFT
   

   IUUQTHJUIVCDPN4WFOTLB4QFMMPDVTUQMVHJOT
   

   w ࡢ೥ͷ1Z$PO+1ʹͱͯ΋ྑ͍ൃද͕͋ΔͷͰੋඇΈͯ΄͍͠Ͱ͢
   

   "OPUIFSHSFBUUBMLBCPVU-PDVTUJO1Z$PO+1
   w ʮ1ZUIPOͰ࢝ΊΔෛՙࢼݧʯIUUQTQZDPOKQFOUJNFUBCMF JE
   -PBEUFTUJOHGSBNFXPSLXSJUUFOJO1ZUIPO
   

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8. ͜Εɺ-PDVTUͰͲ͏΍Δͷʁ
   
   )PXUPEP9XJUI-PDVTU
   

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9. ෛՙࢼݧͷྲྀΕ4UFQTUPSVOMPBEUFTUJOH
   ໨ඪઃఆ
   

   Set objective
   ςετઃܭ
   

   Write scenario
   ςετ࣮ࢪ
   
   
   Run tests
   ݁Ռ෼ੳ
   
   
   Check results
   ໨ඪୡ੒ʂ
   

   Done!
   νϡʔχϯά
   

   Tune your app
   

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10. ෛՙࢼݧͷྲྀΕ4UFQTUPSVOMPBEUFTUJOH
    ໨ඪઃఆ
    

    Set objective
    ςετઃܭ
    

    Write scenario
    ςετ࣮ࢪ
    
    
    Run tests
    ݁Ռ෼ੳ
    
    
    Check results
    ໨ඪୡ੒ʂ
    

    Done!
    νϡʔχϯά
    

    Tune your app
    

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11. ෛՙࢼݧͷྲྀΕ4UFQTUPSVOMPBEUFTUJOH
    ໨ඪઃఆ
    

    Set objective
    ςετઃܭ
    

    Write scenario
    ςετ࣮ࢪ
    
    
    Run tests
    ݁Ռ෼ੳ
    
    
    Check results
    ໨ඪୡ੒ʂ
    

    Done!
    νϡʔχϯά
    

    Tune your app
    locustfile.pyΛॻ͘
    

    Write locustfile.py
    

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12. ෛՙࢼݧͷྲྀΕ4UFQTUPSVOMPBEUFTUJOH
    ໨ඪઃఆ
    

    Set objective
    ςετઃܭ
    

    Write scenario
    ςετ࣮ࢪ
    
    
    Run tests
    ݁Ռ෼ੳ
    
    
    Check results
    ໨ඪୡ੒ʂ
    

    Done!
    νϡʔχϯά
    

    Tune your app
    Run locust
    

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13. ෛՙࢼݧͷྲྀΕ4UFQTUPSVOMPBEUFTUJOH
    ໨ඪઃఆ
    

    Set objective
    ςετઃܭ
    

    Write scenario
    ςετ࣮ࢪ
    
    
    Run tests
    ݁Ռ෼ੳ
    
    
    Check results
    ໨ඪୡ੒ʂ
    

    Done!
    νϡʔχϯά
    

    Tune your app
    ݁ՌΛݟͯϘτϧωοΫΛݟ͚ͭΔ
    

    Check results and find bottlenecks
    

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14. ෛՙࢼݧͷྲྀΕ4UFQTUPSVOMPBEUFTUJOH
    ໨ඪઃఆ
    

    Set objective
    ςετઃܭ
    

    Write scenario
    ςετ࣮ࢪ
    
    
    Run tests
    ݁Ռ෼ੳ
    
    
    Check results
    ໨ඪୡ੒ʂ
    

    Done!
    νϡʔχϯά
    

    Tune your app
    

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15. w ϦΫΤετϨεϙϯε͸͓ೃછΈͷSFRVFTUTͷ΍ΓํͰͰ͖Δ
    3FRVFTUTBOESFTQPOTFTXPSLKVTUMJLFXFMMLOPXOMJCSBSZSFRVFTUT
    Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    from locust import HttpUser, task
    
    
    class YourUser(HttpUser):
    
    
    @task
    
    
    def get_something(self):
    
    
    with self.client.get("/something") as resp:
    
    
    print(resp.json())
    

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16. w 6TFSΠϯελϯε͸ಠཱͨ͠ηογϣϯΛ࣋ͭ
    

    &BDIVTFSJOTUBODFIBTJUTPXOTFTTJPO
    w ϨεϙϯεͷৄࡉΛνΣοΫͯ͠੒ޭࣦഊ൑ఆ͕Ͱ͖Δ
    

    $IFDLSFTQPOTFTJOEFUBJMBOENBSLBTTVDDFFEFEGBJMFE
    Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    class YourUser(HttpUser):
    
    
    @task
    
    
    def get_something(self):
    
    
    self.client.get("/something")
    
    
    User
    User
    User
    Target
    spawn
    request
    response
    

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17. Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    @app.post("/auth")
    
    
    def auth(user: User, resp: Response):
    
    
    req_body = user.dict()
    
    
    # {"name": "alice1234", "password": "alice1234"}
    
    
    if user_collection.find_one(req_body):
    
    
    resp.status_code = status.HTTP_200_OK
    
    
    resp.set_cookie(key="name", value=user.name)
    
    
    else:
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    @app.get(“/top")
    
    
    def top(resp: Response, name: Optional[str] = Cookie(None)):
    
    
    if name:
    
    
    return {"name": name}
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    return {"message": "please login via /auth"}
    
    
    USERS = [
    
    
    {"name": “alice”,”password”:”alice1234”},
    
    
    {"name": “bob”,”password”:”bob5678”},
    
    
    ]
    
    
    class AuthenticatedUser(HttpUser):
    
    
    def on_start(self):
    
    
    if len(USERS) > 0:
    
    
    user = USERS.pop()
    
    
    logger.info(f"popped user: {user}")
    
    
    self.name = user["name"]
    
    
    self.client.post(
    
    
    "/auth",
    
    
    json={
    
    
    "name": user["name"],
    
    
    "password": user["password"],
    
    
    },
    
    
    )
    
    
    @task
    
    
    def get_name(self):
    
    
    with self.client.get(“/top") as resp:
    
    
    if resp.json()["name"] != self.name:
    
    
    logger.warning("not match")
    
    
    resp.failure()
    
    
    # resp.success() ΋͋Δ
    'BTU"1*TBNQMFBQQˣ
    MPDVTUGJMFˠ
    

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18. Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    @app.post("/auth")
    
    
    def auth(user: User, resp: Response):
    
    
    req_body = user.dict()
    
    
    # {"name": "alice1234", "password": "alice1234"}
    
    
    if user_collection.find_one(req_body):
    
    
    resp.status_code = status.HTTP_200_OK
    
    
    resp.set_cookie(key="name", value=user.name)
    
    
    else:
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    @app.get(“/top")
    
    
    def top(resp: Response, name: Optional[str] = Cookie(None)):
    
    
    if name:
    
    
    return {"name": name}
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    return {"message": "please login via /auth"}
    
    
    USERS = [
    
    
    {"name": “alice”,”password”:”alice1234”},
    
    
    {"name": “bob”,”password”:”bob5678”},
    
    
    ]
    
    
    class AuthenticatedUser(HttpUser):
    
    
    def on_start(self):
    
    
    if len(USERS) > 0:
    
    
    user = USERS.pop()
    
    
    logger.info(f"popped user: {user}")
    
    
    self.name = user["name"]
    
    
    self.client.post(
    
    
    "/auth",
    
    
    json={
    
    
    "name": user["name"],
    
    
    "password": user["password"],
    
    
    },
    
    
    )
    
    
    @task
    
    
    def get_name(self):
    
    
    with self.client.get(“/top") as resp:
    
    
    if resp.json()["name"] != self.name:
    
    
    logger.warning("not match")
    
    
    resp.failure()
    
    
    # resp.success() ΋͋Δ
    'BTU"1*TBNQMFBQQˣ
    MPDVTUGJMFˠ name, passwordΛड͚औͬͯɺ
    
    
    session id୅ΘΓʹnameͷcookieʹηοτ
    
    
    Receive name and password,
    
    
    set name in cookie as if session id
    

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19. Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    @app.post("/auth")
    
    
    def auth(user: User, resp: Response):
    
    
    req_body = user.dict()
    
    
    # {"name": "alice1234", "password": "alice1234"}
    
    
    if user_collection.find_one(req_body):
    
    
    resp.status_code = status.HTTP_200_OK
    
    
    resp.set_cookie(key="name", value=user.name)
    
    
    else:
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    @app.get(“/top")
    
    
    def top(resp: Response, name: Optional[str] = Cookie(None)):
    
    
    if name:
    
    
    return {"name": name}
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    return {"message": "please login via /auth"}
    
    
    USERS = [
    
    
    {"name": “alice”,”password”:”alice1234”},
    
    
    {"name": “bob”,”password”:”bob5678”},
    
    
    ]
    
    
    class AuthenticatedUser(HttpUser):
    
    
    def on_start(self):
    
    
    if len(USERS) > 0:
    
    
    user = USERS.pop()
    
    
    logger.info(f"popped user: {user}")
    
    
    self.name = user["name"]
    
    
    self.client.post(
    
    
    "/auth",
    
    
    json={
    
    
    "name": user["name"],
    
    
    "password": user["password"],
    
    
    },
    
    
    )
    
    
    @task
    
    
    def get_name(self):
    
    
    with self.client.get(“/top") as resp:
    
    
    if resp.json()["name"] != self.name:
    
    
    logger.warning("not match")
    
    
    resp.failure()
    
    
    # resp.success() ΋͋Δ
    MPDVTUGJMFˠ
    nameͷ஋Λ֬ೝͯ͠ɺϩάΠϯ֬ೝͯ͠Δ෩
    
    
    Validate the value of “name” in cookie,
    
    
    pretending to checking if a user is authenticated
    'BTU"1*TBNQMFBQQˣ
    

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20. Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    @app.post("/auth")
    
    
    def auth(user: User, resp: Response):
    
    
    req_body = user.dict()
    
    
    # {"name": "alice1234", "password": "alice1234"}
    
    
    if user_collection.find_one(req_body):
    
    
    resp.status_code = status.HTTP_200_OK
    
    
    resp.set_cookie(key="name", value=user.name)
    
    
    else:
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    @app.get(“/top")
    
    
    def top(resp: Response, name: Optional[str] = Cookie(None)):
    
    
    if name:
    
    
    return {"name": name}
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    return {"message": "please login via /auth"}
    
    
    USERS = [
    
    
    {"name": “alice”,”password”:”alice1234”},
    
    
    {"name": “bob”,”password”:”bob5678”},
    
    
    ]
    
    
    class AuthenticatedUser(HttpUser):
    
    
    def on_start(self):
    
    
    if len(USERS) > 0:
    
    
    user = USERS.pop()
    
    
    logger.info(f"popped user: {user}")
    
    
    self.name = user["name"]
    
    
    self.client.post(
    
    
    "/auth",
    
    
    json={
    
    
    "name": user["name"],
    
    
    "password": user["password"],
    
    
    },
    
    
    )
    
    
    @task
    
    
    def get_name(self):
    
    
    with self.client.get(“/top") as resp:
    
    
    if resp.json()["name"] != self.name:
    
    
    logger.warning("not match")
    
    
    resp.failure()
    
    
    # resp.success() ΋͋Δ
    MPDVTUGJMF UFTUTDFOBSJP
    ˠ
    'BTU"1*TBNQMFBQQˣ
    ςετ༻Ϣʔβ
    
    
    Users for load testing
    

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21. Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    @app.post("/auth")
    
    
    def auth(user: User, resp: Response):
    
    
    req_body = user.dict()
    
    
    # {"name": "alice1234", "password": "alice1234"}
    
    
    if user_collection.find_one(req_body):
    
    
    resp.status_code = status.HTTP_200_OK
    
    
    resp.set_cookie(key="name", value=user.name)
    
    
    else:
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    @app.get(“/top")
    
    
    def top(resp: Response, name: Optional[str] = Cookie(None)):
    
    
    if name:
    
    
    return {"name": name}
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    return {"message": "please login via /auth"}
    
    
    USERS = [
    
    
    {"name": “alice”,”password”:”alice1234”},
    
    
    {"name": “bob”,”password”:”bob5678”},
    
    
    ]
    
    
    class AuthenticatedUser(HttpUser):
    
    
    def on_start(self):
    
    
    if len(USERS) > 0:
    
    
    user = USERS.pop()
    
    
    logger.info(f"popped user: {user}")
    
    
    self.name = user["name"]
    
    
    self.client.post(
    
    
    "/auth",
    
    
    json={
    
    
    "name": user["name"],
    
    
    "password": user["password"],
    
    
    },
    
    
    )
    
    
    @task
    
    
    def get_name(self):
    
    
    with self.client.get(“/top") as resp:
    
    
    if resp.json()["name"] != self.name:
    
    
    logger.warning("not match")
    
    
    resp.failure()
    
    
    # resp.success() ΋͋Δ
    MPDVTUGJMFˠ
    Ϣʔβ͕εϙʔϯ͢Δͱ͖ʹݺ͹ΕΔ
    
    
    Called when a user is spawned
    ͜ͷηογϣϯ͸͋ͱͷ@taskͷॲཧʹҾ͖ܧ͕ΕΔ
    
    
    This session is shared to following part decorated with @task
    'BTU"1*TBNQMFBQQˣ
    

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22. Ϩεϙϯεͷৄࡉͳ֬ೝ7BMJEBUFSFTQPOTFTJOEFUBJM
    @app.post("/auth")
    
    
    def auth(user: User, resp: Response):
    
    
    req_body = user.dict()
    
    
    # {"name": "alice1234", "password": "alice1234"}
    
    
    if user_collection.find_one(req_body):
    
    
    resp.status_code = status.HTTP_200_OK
    
    
    resp.set_cookie(key="name", value=user.name)
    
    
    else:
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    @app.get(“/top")
    
    
    def top(resp: Response, name: Optional[str] = Cookie(None)):
    
    
    if name:
    
    
    return {"name": name}
    
    
    resp.status_code = status.HTTP_403_FORBIDDEN
    
    
    return {"message": "please login via /auth"}
    
    
    USERS = [
    
    
    {"name": “alice”,”password”:”alice1234”},
    
    
    {"name": “bob”,”password”:”bob5678”},
    
    
    ]
    
    
    class AuthenticatedUser(HttpUser):
    
    
    def on_start(self):
    
    
    if len(USERS) > 0:
    
    
    user = USERS.pop()
    
    
    logger.info(f"popped user: {user}")
    
    
    self.name = user["name"]
    
    
    self.client.post(
    
    
    "/auth",
    
    
    json={
    
    
    "name": user["name"],
    
    
    "password": user["password"],
    
    
    },
    
    
    )
    
    
    @task
    
    
    def get_name(self):
    
    
    with self.client.get(“/top") as resp:
    
    
    if resp.json()["name"] != self.name:
    
    
    logger.warning("not match")
    
    
    resp.failure()
    
    
    else:
    
    
    resp.successe()
    'BTU"1*ˣ
    MPDVTUGJMFˠ
    Ϣʔβݻ༗ͷ৘ใΛΠϯελϯεม਺ͱͯ͠อ࣋
    
    
    Keep user-specific value as an instance variable
    Ϣʔβ͝ͱʹҟͳΔظ଴஋Λ൑ఆ
    
    
    Validate if the expected value is returned
    ࣦഊ or ੒ޭͱͯ͠ه࿥
    
    
    Mark as failed or succeeded
    

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23. ςετσʔλͷॳظԽ1PQVMBUFEBUB
    w QZUFTUͰ͸GJYUVSFͰ؀ڥ΍σʔλͷ४උɾย෇͚Λ͢Δ
    

    :PVVTFGJYUVSFTGPSTFUVQUFBSEPXOJO1ZUFTU
    w ಉ༷ʹ-PDVTUͰ͸ɺFWFOUIPPLTͰલॲཧɾޙॲཧΛॻ͚Δ
    

    6TFFWFOUIPPLTJO-PDVTUGPSUIBU
    w ςετ։࢝࣌ɾऴྃ࣌Ҏ֎ʹ΋৭ʑɺҰཡ͸ެࣜ%PDΛࢀর
    

    $IFDLUIFPGGJDJBMEPDGPSUIFDPNQMFUFMJTUPGBWBJMBCMFIPPLT
    

    IUUQTEPDTMPDVTUJPFOTUBCMFBQJIUNMFWFOUIPPLT
    @events.test_start.add_listener
    
    
    def on_test_start(environment, **kwargs):
    
    
    if isinstance(environment.runner, MasterRunner):
    
    
    setup_database()
    
    
    insert_master_data()
    

    insert_some_aditional_data()
    

    else:
    
    
    # Do worker node setup
    

    View Slide

24. ςετσʔλͷॳظԽ1PQVMBUFEBUB
    w 1ZUIPOͰॻ͘͜ͱͰɺϩʔΧϧ։ൃ༻ͷεΫϦϓτ͔ΒॲཧΛྲྀ༻Ͱ͖Δ
    

    3FVTFTFUVQTDSJQUXSJUUFOGPSMPDBMEFWFMPQNFOUJOMPBEUFTUJOH
    @events.test_start.add_listener
    
    
    def on_test_start(environment, **kwargs):
    
    
    if isinstance(environment.runner, MasterRunner):
    
    
    setup_database()
    
    
    insert_master_data()
    

    insert_loadtest_user_data()
    

    else:
    
    
    # Do worker node setup
    @click.command(“setup”)
    
    
    def setup_local_env():
    
    
    setup_database()
    
    
    insert_master_data()
    
    
    

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25. w 8FC6*͚ͩͰͳ͘ίϚϯυϥΠϯ͔ΒىಈͰ͖Δ
    -PDVTUQSPWJEFTIFBEMFTTNPEFJOBEEJUJPOUP8FC6*
    w ΄ͱΜͲͷύϥϝʔλ͸MPDVTUDPOGͰࢦఆՄೳ
    

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    w ςετγφϦΦͱ࣮ߦ৚݅ΛҰॹʹ(JU؅ཧͰ͖Δ
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    ίϚϯυϥΠϯ͔Βͷىಈ3VOGSPNDPNNBOEMJOF
    headless = true
    
    
    users = 123
    
    
    spawn-rate = 10
    
    
    host = https://jxpress.net
    $ locust —-headless \
    
    
    —-users 123
    
    
    —-spawn-rate 10
    
    
    —-host https://jxpress.netɹ
    

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26. w ݁Ռ͸)5.-ɾ$47ͱͯ͠ग़ྗՄೳ
    3FTVMUTDBOCFFYQPSUFEBT)5.-PS$47
    w ؀ڥΛίϯςφԽͨ͠Γɺ݁ՌΞοϓϩʔυͷࣗಈԽ͕༰қ
    

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    ίϚϯυϥΠϯ͔Βͷىಈ3VOGSPNDPNNBOEMJOF
    #! /bin/bash
    
    
    locust —-headless --html stats/result.html --csv stats/loadtest
    
    
    aws s3 cp —recursive stats/ s3://your-bucket
    

    View Slide

27. w ςʔϒϧͰྲྀΕΔϩά͸MPHHFSͰ0''ʹ͢Δͱྑ͍͔΋
    

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    ίϚϯυϥΠϯ͔Βͷىಈ3VOGSPNDPNNBOEMJOF
    from locust.stats import console_logger
    
    
    # You can suppress tables in log by disabling stats logger
    
    
    console_logger.disabled = True
    
    
    Name # reqs # fails | Avg Min Max Median | req/s failures/s
    
    
    ------------------------------------------------------------------------------------------------------------------------------------------
    
    
    ------------------------------------------------------------------------------------------------------------------------------------------
    
    
    Aggregated 0 0(0.00%) | 0 0 0 0 | 0.00 0.00
    
    
    Name # reqs # fails | Avg Min Max Median | req/s failures/s
    
    
    ------------------------------------------------------------------------------------------------------------------------------------------
    
    
    GET / 2 2(100.00%) | 3 2 4 3 | 0.00 0.00
    
    
    POST /auth 2 2(100.00%) | 22 8 37 9 | 0.00 0.00
    
    
    ------------------------------------------------------------------------------------------------------------------------------------------
    
    
    Aggregated 4 4(100.00%) | 13 2 37 4 | 0.00 0.00
    
    
    

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28. Ϋϥελߏ੒Ͱͷىಈ%JTUSJCVUFEXPSLFST
    w ϓϩηεͰ͔͚ΒΕΔෛՙʹ͸ݶք͕͋Δ
    

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    w λʔήοτ΁ͷϦΫΤετ࣮ߦΛ෼ࢄͤ͞Δ͜ͱͰΑΓߴ͍ෛՙΛ͔͚Δ
    

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    w ϓϩηεͷىಈ࣌ʹΦϓγϣϯͰࢦఆͰ͖Δ
    

    (JWFPQUJPOTUPTQFDJGZJOXIJDINPEFBQSPDFTTTIPVMESVO
    $ locust —-master
    

    $ locust --worker
    Target
    worker 1
    worker 2
    Master
    

    View Slide

29. w ֤8PSLFSϊʔυʹ͸ಉ͡MPDVTUGJMFͷ಺༰͕ૹΒΕΔ
    

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    w φΠʔϒʹ΍Δͱɺಉ͡Ϣʔβ͕Օॴʹੜ͑Δ
    

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    w ෛՙࢼݧର৅͕ଟॏϩάΠϯ੍ޚ౳͍ͯ͠Δ৔߹͸஫ҙ
    

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    Ϋϥελߏ੒Ͱͷىಈ%JTUSJCVUFEXPSLFST
    Target
    worker 1
    worker 1
    Master
    Alice
    Alice
    

    View Slide

30. w ࣄલʹ࡞੒ͨ͠ϢʔβͷσʔλΛҰՕॴʹஔ͖ɺμϒΓͳ֤͘XPSLFS͔ΒQVMM
    

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    w "UNPTUPODFͳ2VFVFΛ࢖ͬͨΓڧ੔߹ੑͷ͋ΔσʔλετΞΛ࢖ͬͨΓ
    

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    w ४උ͢Δର৅͕૿͑ͯ͠·͏
    

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    Target
    worker 1
    worker 1
    Master
    Alice
    Bob
    Queue/DB
    Charlie
    Dan
    Ϋϥελߏ੒Ͱͷࢼݧ࣮ߦ%JTUSJCVUFEXPSLFST
    

    View Slide

31. w ͦΕͧΕͷXPSLFS্ͰϢχʔΫͳϢʔβͷ৘ใΛಈతʹੜ੒͢Δ
    

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    w 66*%Λ࢖ͬͨΓɺϗετ໊Λ࢖ͬͨΓ
    

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    w ౤ೖ͢Δσʔλ͕ෳࡶͳ৔߹ɺFWFOUIPPLͰͷॳظԽॲཧ΋ෳࡶʹ
    

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    Target
    worker 1
    worker 1
    Master
    Alice_worker1
    Alice_worker2
    Ϋϥελߏ੒Ͱͷࢼݧ࣮ߦ%JTUSJCVUFEXPSLFST
    

    View Slide

32. w ͜͜·Ͱ
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    w ͜͜·Ͱ
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    w ͞ΒʹਐΊͯɺΫϥελߏ੒૊Μ্ͩͰ࣮ߦ؀ڥ΋ίʔυԽͨ͘͠ͳΔ
    

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    w ,VCFSOFUFTͷ+PC͕ͪΐ͏Ͳྑ͔ͬͨ ͜ͷޙσϞ͠·͢
    
    

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    Ϋϥελߏ੒Ͱͷࢼݧ࣮ߦ%JTUSJCVUFEXPSLFST
    

    View Slide

33. apiVersion: batch/v1
    
    
    kind: Job
    
    
    metadata:
    
    
    name: locust-master
    
    
    labels:
    
    
    app: locust
    
    
    role: master
    
    
    spec:
    
    
    completions: 1
    
    
    template:
    
    
    metadata:
    
    
    labels:
    
    
    app: locust
    
    
    role: master
    
    
    spec:
    
    
    restartPolicy: OnFailure
    
    
    containers:
    
    
    - name: locust
    
    
    image: tatchnicolas/pyconjp2021-locust
    
    
    command:
    
    
    - "locust"
    
    
    - "--master"
    
    
    - "--config"
    
    
    - "/var/locust/locust.conf"
    apiVersion: batch/v1
    
    
    kind: Job
    
    
    metadata:
    
    
    name: locust-worker
    
    
    labels:
    
    
    app: locust
    
    
    role: worker
    
    
    spec:
    
    
    completions: 2
    
    
    parallelism: 2
    
    
    template:
    
    
    metadata:
    
    
    labels:
    
    
    app: locust
    
    
    role: worker
    
    
    spec:
    
    
    restartPolicy: OnFailure
    
    
    containers:
    
    
    - name: locust
    
    
    image: tatchnicolas/pyconjp2021-locust
    
    
    command:
    
    
    - "locust"
    
    
    - "--worker"
    
    
    env:
    
    
    - name: LOCUST_MASTER_NODE_HOST
    
    
    value: locust-master-svc
    Master ↓ Worker→
    Ϋϥελߏ੒Ͱͷࢼݧ࣮ߦ%JTUSJCVUFEXPSLFST
    

    View Slide

34. σϞ
    
    %FNP
    

    View Slide

35. ·ͱΊ,FZUBLFBXBZT
    w ΞϓϦέʔγϣϯΛ1ZUIPOͰॻ͍ͨͳΒɺෛՙࢼݧ΋1ZUIPOͰॻ͜͏
    

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    w Ϋϥελߏ੒ͰΑΓڧ͍ෛՙΛ༩͑Α͏ɺ࣮ߦ؀ڥ΋ίʔυԽ͠Α͏
    

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    w εϥΠυͱαϯϓϧίʔυ͸ͪ͜Β
    

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    w IUUQTTQFBLFSEFDLDPNUBUDIOJDPMBTQZDPOKQMPDVTU
    w IUUQTHJUIVCDPN5BUDI/JDPMBTQZDPOKQMPDVTU
    

    View Slide

36. 5IBOL:PV
    

    View Slide