[
https://issues.apache.org/jira/browse/TS-3276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Leif Hedstrom closed TS-3276.
-----------------------------
> Cache incompatible between 5.0.1 and 5.2.0
> ------------------------------------------
>
> Key: TS-3276
> URL: https://issues.apache.org/jira/browse/TS-3276
> Project: Traffic Server
> Issue Type: Bug
> Components: Cache
> Reporter: Bryan Call
> Assignee: Alan M. Carroll
> Priority: Minor
> Fix For: 5.2.0
>
>
> When upgrading from 5.0.1 to 5.2.0 RC3 I notice that there were no cache
> entries and the cache had 0 bytes. I was able to reproduce this on my
> development box.
> Running 5.0.1:
> {code}
> curl -D - -o /dev/null -s -x 127.0.0.1:8080
> 'http://l1.ycs.vip.lax.yahoo.com/17k.gif'
> Via: (ApacheTrafficServer/5.0.1 [cHs f ])
> [Jan 6 14:34:50.967] Server {0x7fff7b295300} DEBUG: (cache_init)
> Store::read_config, fd = -1, "/usr/local/etc/trafficserver/storage.config"
> [Jan 6 14:34:50.968] Server {0x7fff7b295300} DEBUG: (cache_init)
> Store::read_config: "var/trafficserver 256M
> "
> [Jan 6 14:34:50.968] Server {0x7fff7b295300} DEBUG: (cache_init)
> Store::read_config - ns = new Span;
> ns->init("/usr/local/var/trafficserver",268435456), ns->vol_num=0
> [Jan 6 14:34:50.968] Server {0x7fff7b295300} DEBUG: (cache_init) Span::init
> - /usr/local/var/trafficserver hw_sector_size = 1048576 size = 268435456,
> blocks = 32768, disk_id = 16777220, file_pathname = 0
> [Jan 6 14:34:50.982] Server {0x7fff7b295300} DEBUG: (cache_init) Span::init
> - /usr/local/var/trafficserver hw_sector_size = 1048576 size = 33554432,
> blocks = 4096, disk_id = 16777220, file_pathname = 0
> [Jan 6 14:34:51.006] Server {0xff85000} DEBUG: (cache_init) Cache::open -
> proxy.config.cache.min_average_object_size = 8000
> [Jan 6 14:34:51.008] Server {0xff85000} DEBUG: (cache_init) allocating
> 352256 directory bytes for a 268419072 byte volume (0.131234%)
> [Jan 6 14:34:51.016] Server {0xfb79000} DEBUG: (cache_init)
> build_vol_hash_table index 0 mapped to 0 requested 32707 got 32707
> [Jan 6 14:34:51.016] Server {0xfb79000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - theCache, total_size = 32766 = 255 MB
> [Jan 6 14:34:51.016] Server {0xfb79000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - caches_ready=0x3, gnvol=1
> [Jan 6 14:34:51.016] Server {0xfb79000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - cache_config_ram_cache_size ==
> AUTO_SIZE_RAM_CACHE
> [Jan 6 14:34:51.016] Server {0xfb79000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - ram_cache_bytes = 352256 = 0Mb
> [Jan 6 14:34:51.016] Server {0xfb79000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - total_cache_bytes = 268066816 = 255Mb
> [Jan 6 14:34:52.937] Server {0xf567000} DEBUG: (cache_new) new 0x7fdaa2842c60
> [Jan 6 14:34:52.938] Server {0xf567000} DEBUG: (cache_read) Read complete on
> fragment 0B9EF20BA07FE10DE08A3C04FAC4F722. Length: data payload=18104 this
> fragment=21016 total doc=18104 prefix=2912
> [Jan 6 14:34:52.938] Server {0xf567000} DEBUG: (cache_read)
> CacheReadStartHead - read 0B9EF20BA07FE10DE08A3C04FAC4F722 target
> AE93D67FD96B9386253B02F1DA044B54 - single 21016 of 18104 bytes, 0 fragments
> [Jan 6 14:34:52.938] Server {0xf567000} DEBUG: (cache_free) free
> 0x7fdaa2842c6
> {code}
> Running 5.2.0:
> {code}
> curl -D - -o /dev/null -s -x 127.0.0.1:8080
> 'http://l1.ycs.vip.lax.yahoo.com/17k.gif'
> Via: (ApacheTrafficServer/5.2.0 [cMsSfW])
> [Jan 6 14:35:54.684] Server {0x7fff7b295300} DEBUG: (cache_init)
> Store::read_config, fd = -1, "/usr/local/etc/trafficserver/storage.config"
> [Jan 6 14:35:54.685] Server {0x7fff7b295300} DEBUG: (cache_init)
> Store::read_config: "var/trafficserver"
> [Jan 6 14:35:54.685] Server {0x7fff7b295300} DEBUG: (cache_init)
> Store::read_config - ns = new Span;
> ns->init("/usr/local/var/trafficserver",268435456), forced volume=-1
> [Jan 6 14:35:54.685] Server {0x7fff7b295300} DEBUG: (cache_init) initialized
> span '/usr/local/var/trafficserver'
> [Jan 6 14:35:54.685] Server {0x7fff7b295300} DEBUG: (cache_init)
> hw_sector_size=1048576, size=268435456, blocks=32768,
> disk_id=16777220/45700045, file_pathname=0
> [Jan 6 14:35:54.698] Server {0x7fff7b295300} DEBUG: (cache_init) initialized
> span '/usr/local/var/trafficserver'
> [Jan 6 14:35:54.698] Server {0x7fff7b295300} DEBUG: (cache_init)
> hw_sector_size=1048576, size=33554432, blocks=4096,
> disk_id=16777220/45700045, file_pathname=0
> [Jan 6 14:35:54.788] Server {0x7fff7b295300} DEBUG: (cache_init) Cache::open
> - proxy.config.cache.min_average_object_size = 8000
> [Jan 6 14:35:54.790] Server {0x7fff7b295300} DEBUG: (cache_init) allocating
> 352256 directory bytes for a 268419072 byte volume (0.131234%)
> [Jan 6 14:35:54.797] Server {0x113fd000} DEBUG: (cache_init)
> build_vol_hash_table index 0 mapped to 0 requested 32707 got 32707
> [Jan 6 14:35:54.797] Server {0x113fd000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - theCache, total_size = 32766 = 255 MB
> [Jan 6 14:35:54.797] Server {0x113fd000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - caches_ready=0x9, gnvol=1
> [Jan 6 14:35:54.797] Server {0x113fd000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - cache_config_ram_cache_size ==
> AUTO_SIZE_RAM_CACHE
> [Jan 6 14:35:54.797] Server {0x113fd000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - ram_cache_bytes = 352256 = 0Mb
> [Jan 6 14:35:54.797] Server {0x113fd000} DEBUG: (cache_init)
> CacheProcessor::cacheInitialized - total_cache_bytes = 268066816 = 255Mb
> [Jan 6 14:35:56.922] Server {0x10deb000} DEBUG: (cache_new) new
> 0x7ff70c9e4e60
> [Jan 6 14:35:57.157] Server {0x10deb000} DEBUG: (cache_free) free
> 0x7ff70c9e4e60
> {code}
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