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Santhi_Swaroop
Level 2
January 31, 2019
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Dispatcher statfileslevel

  • January 31, 2019
  • 3 replies
  • 4382 views

Have a question on dispatcher statfileslevel

I am configuring dispatcher and doing some tests. I have set the statfileslevel as 7.

When I activate /content/we-retail/language-masters/en/products/women/shorts/candide-trail-short.html, the dispatcher touches all the stat files in content, we-retail, language-masters, en, products, women, shorts

Then I have accessed /content/we-retail/language-masters/en/products/men.html and men.html file in docroot was invalidated and pulled from publish server

When I accessed /content/we-retail/language-masters/en/products/men/coats/slopeside-coat.html, the cache is not invalidated and served from cache due to the fact that stat level is 7 and the statfile in /content/we-retail/language-masters/en/products/men/coats is not touched due to activation of /content/we-retail/language-masters/en/products/women/shorts/candide-trail-short

My question is why men.html is invalidated though it is not related to any content on /content/we-retail/language-masters/en/products/women/shorts/candide-trail-short and can we avoid this?

As these would be the highly viewed pages on the site, I want to avoid their invalidation when other page in the hierarchy is activated,

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    Best answer by Gaurav-Behl

    Check if you have configured the header properly. Enable debug/trace logs and debug what's happening because it works fine for me

    Dispatcher logs with ResourceOnly enabled

    [D] [pid 26952 (tid 1152)] checking [/dispatcher/invalidate.cache]

    [I] [pid 26952 (tid 1152)] Activation detected: action=Activate [/content/we-retail/us/en/products/men/coats/portland-hooded-jacket]

    [D] [pid 26952 (tid 1152)] response.status = 200

    [D] [pid 26952 (tid 1152)] response.headers[Server] = "Communique/2.6.3 (build 5221)"

    [D] [pid 26952 (tid 1152)] response.headers[Content-Type] = "text/html"

    [D] [pid 26952 (tid 1152)] cache flushed

    [I] [pid 26952 (tid 1152)] "GET /dispatcher/invalidate.cache" 200 13 1ms [website/-]

    and

    2019-02-01 20:03:38 - INFO - flush : Creating content for path /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Action:Activate

    2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Handle:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Path:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Action-Scope:ResourceOnly

    2019-02-01 20:03:38 - DEBUG - flush : deserialize content for delivery

    2019-02-01 20:03:38 - DEBUG - flush : No message body: Content ReplicationContent.VOID is empty

    2019-02-01 20:03:38 - INFO - flush : Sending GET request to http://localhost:80/dispatcher/invalidate.cache

    2019-02-01 20:03:38 - INFO - flush : sent. Response: 200 OK

    2019-02-01 20:03:38 - INFO - flush : ------------------------------------------------

    2019-02-01 20:03:38 - INFO - flush : Sending message to localhost:80

    2019-02-01 20:03:38 - INFO - flush : >> GET /dispatcher/invalidate.cache HTTP/1.0

    2019-02-01 20:03:38 - INFO - flush : >> CQ-Action: Activate

    2019-02-01 20:03:38 - INFO - flush : >> CQ-Handle: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:03:38 - INFO - flush : >> CQ-Path: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:03:38 - INFO - flush : >> CQ-Action-Scope: ResourceOnly

    2019-02-01 20:03:38 - INFO - flush : >> Referer: about:blank

    2019-02-01 20:03:38 - INFO - flush : >> Content-Length: 0

    2019-02-01 20:03:38 - INFO - flush : >> Content-Type: application/octet-stream

    2019-02-01 20:03:38 - INFO - flush : --

    2019-02-01 20:03:38 - INFO - flush : << HTTP/1.1 200 OK

    2019-02-01 20:03:38 - INFO - flush : << Date: Sat, 02 Feb 2019 01:03:38 GMT

    2019-02-01 20:03:38 - INFO - flush : << Server: Apache

    2019-02-01 20:03:38 - INFO - flush : << Content-Length: 13

    2019-02-01 20:03:38 - INFO - flush : << Content-Type: text/html; charset=utf-8

    2019-02-01 20:03:38 - INFO - flush : <<

    2019-02-01 20:03:38 - INFO - flush : <<

    2019-02-01 20:03:38 - INFO - flush : Message sent.

    2019-02-01 20:03:38 - INFO - flush : ------------------------------------------------

    2019-02-01 20:03:38 - INFO - flush : Replication (ACTIVATE) of /content/we-retail/us/en/products/men/coats/portland-hooded-jacket successful.

    Dispatcher logs without ResourceOnly header

    [D] [pid 26952 (tid 1152)] Found farm website for localhost

    [D] [pid 26952 (tid 1152)] checking [/dispatcher/invalidate.cache]

    [I] [pid 26952 (tid 1152)] Activation detected: action=Activate [/content/we-retail/us/en/products/men/coats/portland-hooded-jacket]

    [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\.stat

    [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\content\.stat

    [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\content\we-retail\.stat

    [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\content\we-retail\us\.stat

    [D] [pid 26952 (tid 1152)] response.status = 200

    [D] [pid 26952 (tid 1152)] response.headers[Server] = "Communique/2.6.3 (build 5221)"

    [D] [pid 26952 (tid 1152)] response.headers[Content-Type] = "text/html"

    [D] [pid 26952 (tid 1152)] cache flushed

    [I] [pid 26952 (tid 1152)] "GET /dispatcher/invalidate.cache" 200 13 26ms [website/-]

    and

    2019-02-01 20:04:28 - INFO - flush : Agent started.

    2019-02-01 20:04:36 - INFO - flush : Creating content for path /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:04:36 - INFO - flush : Create new HttpClient for Dispatcher Flush

    2019-02-01 20:04:36 - INFO - flush : * HTTP Version: 1.1

    2019-02-01 20:04:36 - DEBUG - flush : adding header: CQ-Action:Activate

    2019-02-01 20:04:36 - DEBUG - flush : adding header: CQ-Handle:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:04:36 - DEBUG - flush : adding header: CQ-Path:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:04:36 - DEBUG - flush : deserialize content for delivery

    2019-02-01 20:04:36 - DEBUG - flush : No message body: Content ReplicationContent.VOID is empty

    2019-02-01 20:04:36 - INFO - flush : Sending GET request to http://localhost:80/dispatcher/invalidate.cache

    2019-02-01 20:04:37 - INFO - flush : sent. Response: 200 OK

    2019-02-01 20:04:37 - INFO - flush : ------------------------------------------------

    2019-02-01 20:04:37 - INFO - flush : Sending message to localhost:80

    2019-02-01 20:04:37 - INFO - flush : >> GET /dispatcher/invalidate.cache HTTP/1.0

    2019-02-01 20:04:37 - INFO - flush : >> CQ-Action: Activate

    2019-02-01 20:04:37 - INFO - flush : >> CQ-Handle: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:04:37 - INFO - flush : >> CQ-Path: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

    2019-02-01 20:04:37 - INFO - flush : >> Referer: about:blank

    2019-02-01 20:04:37 - INFO - flush : >> Content-Length: 0

    2019-02-01 20:04:37 - INFO - flush : >> Content-Type: application/octet-stream

    2019-02-01 20:04:37 - INFO - flush : --

    2019-02-01 20:04:37 - INFO - flush : << HTTP/1.1 200 OK

    2019-02-01 20:04:37 - INFO - flush : << Date: Sat, 02 Feb 2019 01:04:37 GMT

    2019-02-01 20:04:37 - INFO - flush : << Server: Apache

    2019-02-01 20:04:37 - INFO - flush : << Content-Length: 13

    2019-02-01 20:04:37 - INFO - flush : << Content-Type: text/html; charset=utf-8

    2019-02-01 20:04:37 - INFO - flush : <<

    2019-02-01 20:04:37 - INFO - flush : <<

    2019-02-01 20:04:37 - INFO - flush : Message sent.

    2019-02-01 20:04:37 - INFO - flush : ------------------------------------------------

    2019-02-01 20:04:37 - INFO - flush : Replication (ACTIVATE) of /content/we-retail/us/en/products/men/coats/portland-hooded-jacket successful.

    3 replies

    Gaurav-Behl
    Gaurav-Behl
    Level 10
    February 1, 2019

    That is the default behavior of dispatcher to touch all .stat files starting from child to root.

    try this-

    1) Add Header CQ-Action-Scope:ResourceOnly

    Invalidation (i.e. touching of .stat files) can be prevented by sending an additional Header CQ-Action-Scope: ResourceOnly. This can be used to flush particular resources without invalidating other parts of the cache, like JSON data that is dynamically created and requires regular flushing independent of the cache

    source:

    Configuring Dispatcher

    Invalidating Cached Pages From AEM

      S
      Santhi_SwaroopAuthor
      Level 2
      February 1, 2019

      Thanks for the reply.

      I added the header CQ-Action-Scope:ResourceOnly to dispatcher flush agent by editing the flush agent config. The agent is configured on author and I activated the agent post edit.

      I still see the invalidate request is touching all the .stat files in the hierarchy when I verify dispatcher logs and even the content is invalidated.

      Am I missing something here?

        Gaurav-Behl
        Gaurav-BehlAccepted solution
        Level 10
        February 2, 2019

        Check if you have configured the header properly. Enable debug/trace logs and debug what's happening because it works fine for me

        Dispatcher logs with ResourceOnly enabled

        [D] [pid 26952 (tid 1152)] checking [/dispatcher/invalidate.cache]

        [I] [pid 26952 (tid 1152)] Activation detected: action=Activate [/content/we-retail/us/en/products/men/coats/portland-hooded-jacket]

        [D] [pid 26952 (tid 1152)] response.status = 200

        [D] [pid 26952 (tid 1152)] response.headers[Server] = "Communique/2.6.3 (build 5221)"

        [D] [pid 26952 (tid 1152)] response.headers[Content-Type] = "text/html"

        [D] [pid 26952 (tid 1152)] cache flushed

        [I] [pid 26952 (tid 1152)] "GET /dispatcher/invalidate.cache" 200 13 1ms [website/-]

        and

        2019-02-01 20:03:38 - INFO - flush : Creating content for path /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Action:Activate

        2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Handle:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Path:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:03:38 - DEBUG - flush : adding header: CQ-Action-Scope:ResourceOnly

        2019-02-01 20:03:38 - DEBUG - flush : deserialize content for delivery

        2019-02-01 20:03:38 - DEBUG - flush : No message body: Content ReplicationContent.VOID is empty

        2019-02-01 20:03:38 - INFO - flush : Sending GET request to http://localhost:80/dispatcher/invalidate.cache

        2019-02-01 20:03:38 - INFO - flush : sent. Response: 200 OK

        2019-02-01 20:03:38 - INFO - flush : ------------------------------------------------

        2019-02-01 20:03:38 - INFO - flush : Sending message to localhost:80

        2019-02-01 20:03:38 - INFO - flush : >> GET /dispatcher/invalidate.cache HTTP/1.0

        2019-02-01 20:03:38 - INFO - flush : >> CQ-Action: Activate

        2019-02-01 20:03:38 - INFO - flush : >> CQ-Handle: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:03:38 - INFO - flush : >> CQ-Path: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:03:38 - INFO - flush : >> CQ-Action-Scope: ResourceOnly

        2019-02-01 20:03:38 - INFO - flush : >> Referer: about:blank

        2019-02-01 20:03:38 - INFO - flush : >> Content-Length: 0

        2019-02-01 20:03:38 - INFO - flush : >> Content-Type: application/octet-stream

        2019-02-01 20:03:38 - INFO - flush : --

        2019-02-01 20:03:38 - INFO - flush : << HTTP/1.1 200 OK

        2019-02-01 20:03:38 - INFO - flush : << Date: Sat, 02 Feb 2019 01:03:38 GMT

        2019-02-01 20:03:38 - INFO - flush : << Server: Apache

        2019-02-01 20:03:38 - INFO - flush : << Content-Length: 13

        2019-02-01 20:03:38 - INFO - flush : << Content-Type: text/html; charset=utf-8

        2019-02-01 20:03:38 - INFO - flush : <<

        2019-02-01 20:03:38 - INFO - flush : <<

        2019-02-01 20:03:38 - INFO - flush : Message sent.

        2019-02-01 20:03:38 - INFO - flush : ------------------------------------------------

        2019-02-01 20:03:38 - INFO - flush : Replication (ACTIVATE) of /content/we-retail/us/en/products/men/coats/portland-hooded-jacket successful.

        Dispatcher logs without ResourceOnly header

        [D] [pid 26952 (tid 1152)] Found farm website for localhost

        [D] [pid 26952 (tid 1152)] checking [/dispatcher/invalidate.cache]

        [I] [pid 26952 (tid 1152)] Activation detected: action=Activate [/content/we-retail/us/en/products/men/coats/portland-hooded-jacket]

        [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\.stat

        [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\content\.stat

        [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\content\we-retail\.stat

        [I] [pid 26952 (tid 1152)] Touched c:\installed_setups\Apache2.2\htdocs\content\we-retail\us\.stat

        [D] [pid 26952 (tid 1152)] response.status = 200

        [D] [pid 26952 (tid 1152)] response.headers[Server] = "Communique/2.6.3 (build 5221)"

        [D] [pid 26952 (tid 1152)] response.headers[Content-Type] = "text/html"

        [D] [pid 26952 (tid 1152)] cache flushed

        [I] [pid 26952 (tid 1152)] "GET /dispatcher/invalidate.cache" 200 13 26ms [website/-]

        and

        2019-02-01 20:04:28 - INFO - flush : Agent started.

        2019-02-01 20:04:36 - INFO - flush : Creating content for path /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:04:36 - INFO - flush : Create new HttpClient for Dispatcher Flush

        2019-02-01 20:04:36 - INFO - flush : * HTTP Version: 1.1

        2019-02-01 20:04:36 - DEBUG - flush : adding header: CQ-Action:Activate

        2019-02-01 20:04:36 - DEBUG - flush : adding header: CQ-Handle:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:04:36 - DEBUG - flush : adding header: CQ-Path:/content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:04:36 - DEBUG - flush : deserialize content for delivery

        2019-02-01 20:04:36 - DEBUG - flush : No message body: Content ReplicationContent.VOID is empty

        2019-02-01 20:04:36 - INFO - flush : Sending GET request to http://localhost:80/dispatcher/invalidate.cache

        2019-02-01 20:04:37 - INFO - flush : sent. Response: 200 OK

        2019-02-01 20:04:37 - INFO - flush : ------------------------------------------------

        2019-02-01 20:04:37 - INFO - flush : Sending message to localhost:80

        2019-02-01 20:04:37 - INFO - flush : >> GET /dispatcher/invalidate.cache HTTP/1.0

        2019-02-01 20:04:37 - INFO - flush : >> CQ-Action: Activate

        2019-02-01 20:04:37 - INFO - flush : >> CQ-Handle: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:04:37 - INFO - flush : >> CQ-Path: /content/we-retail/us/en/products/men/coats/portland-hooded-jacket

        2019-02-01 20:04:37 - INFO - flush : >> Referer: about:blank

        2019-02-01 20:04:37 - INFO - flush : >> Content-Length: 0

        2019-02-01 20:04:37 - INFO - flush : >> Content-Type: application/octet-stream

        2019-02-01 20:04:37 - INFO - flush : --

        2019-02-01 20:04:37 - INFO - flush : << HTTP/1.1 200 OK

        2019-02-01 20:04:37 - INFO - flush : << Date: Sat, 02 Feb 2019 01:04:37 GMT

        2019-02-01 20:04:37 - INFO - flush : << Server: Apache

        2019-02-01 20:04:37 - INFO - flush : << Content-Length: 13

        2019-02-01 20:04:37 - INFO - flush : << Content-Type: text/html; charset=utf-8

        2019-02-01 20:04:37 - INFO - flush : <<

        2019-02-01 20:04:37 - INFO - flush : <<

        2019-02-01 20:04:37 - INFO - flush : Message sent.

        2019-02-01 20:04:37 - INFO - flush : ------------------------------------------------

        2019-02-01 20:04:37 - INFO - flush : Replication (ACTIVATE) of /content/we-retail/us/en/products/men/coats/portland-hooded-jacket successful.

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