Redis not using correct databases

  • Hello,

    We ran into an issue where when going to the admin URL of one site, brought us to a different sites URL, after flushing the redis cache, everything was fine, I did notice this:

    # redis-cli INFO | grep ^db
    db0:keys=422,expires=422,avg_ttl=1490610
    db1:keys=3018,expires=3013,avg_ttl=1128862

    You can see only db0 and db1 are being populated, where as in the W3TC configs I have:

    Site1

    # grep dbid wp-content/w3tc-config/master.json
    “dbcache.redis.dbid”: 1,
    “objectcache.redis.dbid”: 1,
    “pgcache.redis.dbid”: 1,
    “minify.redis.dbid”: 1,

    Site2

    # grep dbid wp-content/w3tc-config/master.json
    “dbcache.redis.dbid”: “2”,
    “objectcache.redis.dbid”: “2”,
    “pgcache.redis.dbid”: “2”,
    “minify.redis.dbid”: 2,

    I am thinking that the sites cache is being stored within the same databases or at least some of it which is causing issues.

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