On Jun 21, 2012, at 4:08 PM, "Van Doorn, Jan R"
<[email protected]> wrote:
> Hello,
>
> Is there a maximum disk cache size in ATS 3.20? I seem to be getting
> this WARNING:
The only people I know with such big caches are Taobao. I certainly have
nothing remotely close to this :). Definitely sounds like a bug, so pease file
a ticket. The cache is supposed to handle up to 0.5PB volumes if I recall.
Bart, did you ever commit that fix for very large partitions?
Cheers,
-- Leif
>
> --
> [TrafficServer] using root directory '/opt/trafficserver'
> [Jun 21 21:57:10.038] {0x7f4d67aa67e0} STATUS: opened
> /opt/trafficserver/var/log/trafficserver/diags.log
> [Jun 21 21:57:10.038] {0x7f4d67aa67e0} NOTE: updated diags config
> [Jun 21 21:57:10.042] Server {0x7f4d67aa67e0} NOTE: cache clustering
> disabled
> [Jun 21 21:57:10.083] Server {0x7f4d67aa67e0} NOTE: cache clustering
> disabled
> [Jun 21 21:57:10.182] Server {0x7f4d67aa67e0} NOTE: logging
> initialized[11], logging_mode = 3
> [Jun 21 21:57:10.183] Server {0x7f4d67aa67e0} NOTE: loading plugin
> '/opt/trafficserver/libexec/trafficserver/stats_over_http.so'
> [Jun 21 21:57:10.185] Server {0x7f4d67aa67e0} NOTE: traffic server running
> [Jun 21 21:57:10.189] Server {0x7f4d63799700} WARNING: not enough space
> to increase volume: [1] to size: [20585472]
> [Jun 21 21:57:10.189] Server {0x7f4d63799700} NOTE: edit the
> volume.config file and restart traffic_server
> [Jun 21 21:57:10.189] Server {0x7f4d63799700} NOTE: cache disabled
> --
>
> When I try to use more than a certain amount (16TB?) of cache, and the
> "cache disabled" message doesn't seem good.
>
> I have a system with 24 600GB drives that works well, but a system with
> 24 900GB drives will have the above error, unless I disable at least 5
> drives in storage.config.
>
> I tried splitting the cache up in to 2 volumes, each 50% in
> volume.config, but I still get the same error.
>
> Thanks again,
> JvD