I've reported/asked this before. It was suggested that Rockstore couldn't "share" the pieces among the users trying to get the same file at the same time if the maximum_object_size_in_memory wasn't enough.

I've just checked the conf and this issue still persist. It seems they're downloading 300k chunks, which are smaller than the "maximum_object_size_in_memory" variable.

   cache_mem 512 MB
   maximum_object_size_in_memory *2 MB*
   memory_replacement_policy heap LRU
   cache_replacement_policy heap LRU
   maximum_object_size 8 GB

   acl fullDLext urlpath_regex -i
   \.(exe|ms[iup]|cab|bin|zip|*mar*|pdf|appx(bundle)?|esd|lzma2)\??$

   range_offset_limit -1 fullDLext

   cache_dir rock /cache  375000 min-size=0 max-size=98304
   slot-size=16384 swap-timeout=200 max-swap-rate=900
   cache_dir rock /cache2 444000 min-size=98305 max-size=14680064
   swap-timeout=400 max-swap-rate=900
   cache_dir rock /cache3 344000 min-size=14680065 swap-timeout=600
   max-swap-rate=200


1479481899.852 181 10.1.3.90 *TCP_MISS/206* *300544 *GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.*mar *- HIER_DIRECT/201.16.134.42 application/octet-stream 1479481900.056 2386 10.42.0.72 TCP_MISS/206 300544 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream 1479481901.726 15817 10.20.4.4 TCP_MISS/206 300543 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream 1479481902.640 1009 10.30.40.15 TCP_MISS/206 300544 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream 1479481903.899 37326 10.32.0.81 TCP_MISS/206 300542 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream 1479481904.278 1676 10.22.0.111 TCP_MISS/206 300542 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.42 application/octet-stream 1479481904.280 19072 10.21.0.23 TCP_MISS/206 300542 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream 1479481904.709 17778 10.1.3.37 TCP_MISS/206 300544 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream 1479481906.201 29446 10.11.0.60 TCP_MISS/206 300544 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.42 application/octet-stream 1479481907.267 3814 10.92.0.33 *TCP_MISS/206* 300542 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.42 application/octet-stream 1479481907.867 31309 10.32.0.138 *TCP_SWAPFAIL_MISS/206* 300544 GET http://download.cdn.mozilla.net/pub/firefox/releases/50.0/update/win32/pt-BR/firefox-50.0.complete.mar - HIER_DIRECT/201.16.134.49 application/octet-stream



--
Best Regards,

Heiler Bemerguy
Network Manager - CINBESA
55 91 98151-4894/3184-1751

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