Ilya Kaplan

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Activity overview

Latest activity by Ilya Kaplan

  • Ilya Kaplan commented,

    1. Community
    2. VCL
    3. Mixing beresp.ttl and Expires header

    Wow, that's great idea substracting age from my ttl. I assume I'd need std.atoi for that, but it seems easy. Also I'd need to do this math again on edge's vcl_deliver in order to set right cache co...

  • Ilya Kaplan created a post,

    Mixing beresp.ttl and Expires header

    1. Community
    2. VCL

    I’m trying to implement constant cache time that won’t be affected by the fact that shield is configured. Usually, if I set 1h TTL it might be up to 2 hours of real TTL if edge hits shield at the e...

    • Ilya Kaplan
    • 3 followers
    • 3 comments
    • 0 votes

  • Ilya Kaplan created a post,

    Running vcl_recv and vcl_deliver on shield seems redundant

    1. Community
    2. VCL

    So it’s kind of abstract question. I know that shield works exactly as any other node and runs same VCL and that’s why we need all these complex conditions " if (!req.http.fastly-ff) {…} "...

    • Ilya Kaplan
    • 0 followers
    • 0 comments
    • 0 votes

  • Ilya Kaplan created a post,

    Http/2 push, preload and esi

    1. Community
    2. Tuning

    Hi there, After reading the HTTP/2 server push documentation, I have couple of questions related to different variations of options that it supports. First of all the relation of push mechanism an...

    • Ilya Kaplan
    • 1 follower
    • 1 comment
    • 0 votes

  • Ilya Kaplan created a post,

    Is it OK to have duplicate keys in Surrogate-Key?

    1. Community
    2. General

    I have few questions about surrogate keys. What is the limit of keys in Surrogate-Key header? Is there any performance issues with having multiple surrogate keys? Is there a problem with having d...

    • Ilya Kaplan
    • 1 follower
    • 1 comment
    • 0 votes

  • Ilya Kaplan commented,

    1. Community
    2. General
    3. Fastly and S3 - dealing with 'read after update' eventual consistency

    Why not do delayed flush. I.e. purge immediatey, then, using resque or any other scheduler, purge after a second and again after minute. Is there any guarantee on s3 update?

  • Ilya Kaplan commented,

    1. Community
    2. General
    3. Caching strategies for authenticated data

    You can leverage Fatly's cryptographic functions, like digest.hmac_sha256(key, message), have shared secret key between your servers and VCL and use any user's info as message - id, email, id+passw...

  • Ilya Kaplan commented,

    1. Community
    2. Tuning
    3. Conditionally Disabling GZIP in Order to Serve ESI

    Hi Justin, I ping with this question every now and then. Is there any plan to fix ESI with GZip limitation? After all Varnish 3 does support it. Now question related to workaround mentioned here....

  • Ilya Kaplan created a post,

    Using capture groups in regexp replace

    1. Community
    2. VCL

    I need to replace url like this: /some/prefix/url /url/secret-suffix I’m doing it now with 2 separate rules: regexp replace “^/some/prefix” with “” append “/secret-suffix” What I’d do if group...

    • Ilya Kaplan
    • 1 follower
    • 1 comment
    • 0 votes

  • Ilya Kaplan commented,

    1. Community
    2. Tuning
    3. Why isn't serve stale working as expected?

    Do you plan on changing this functionality in future? For example, write object to disk if it's need to be thrown out of memory but it still has grace period. It seems to me, that the case that I ...