Support » Plugin: W3 Total Cache » Experience with HHVM ?

  • Hey there!

    Has anybody experience with the use of W3TC together with HHVM ?

    In WP 3.9 HHVM seems to be full supported, so we wanna give it a try, because a lot of benchmarks in web are looking awesome..

    Which cache modules are still available from W3TC if we start with HHVM ? We definitely wanna use them together..

    I think it is no prob with database and object cache, but what´s up with page-cache ?

    As I understood it right, HHVM uses it´s own cache-modules but are they compatible with W3TC ? If the answer is yes, how ? What´s up with APC, XCache, Memcache eg ?

    It would be awesome to get some experience..

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  • Moderator Mark Jaquith


    WordPress Lead Dev

    I haven’t specifically used W3TC with WP 3.9 on HHVM, but HHVM does support APC and Memcached, so object cache backends that use those should work. I can confirm that my standalone APC object cache backend is working fine in HHVM.

    Do note that there is currently a WordPress incompatibility in HHVM due to a bug in how HHVM sets cookies. You can log in to WordPress, but you won’t get a cookie that is valid for the front-end of your site. So you won’t see a toolbar. And there also seem to be issues logging out. I opened a bug report with HHVM here.

    Hello Marc,

    thanks for your answer! That´s very good to know, cause we´re using BuddyPress and we need the toolbar. If we find any issues, will use this bug report, too.

    Can I ask you one question more, please? Makes it sense to combine HHVM with Apache as gateway to send request to fastcgi, varnish at the front for full page cache and nginx as proxy and static content handler ? In this case W3TC just for database-cache and object cache with APC ?

    Thank you!

    Best regards

Viewing 2 replies - 1 through 2 (of 2 total)
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