[ https://issues.apache.org/jira/browse/TS-1963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bryan Call updated TS-1963: --------------------------- Summary: upgrade the version number for cache between 3.2.x and 3.4.x (was: upgrade the version number for cache between 3.2.0 and 3.4.0) > upgrade the version number for cache between 3.2.x and 3.4.x > ------------------------------------------------------------ > > Key: TS-1963 > URL: https://issues.apache.org/jira/browse/TS-1963 > Project: Traffic Server > Issue Type: Bug > Components: Cache > Affects Versions: 3.3.4 > Reporter: Bryan Call > Fix For: 3.3.5 > > > If you don't remove the cache between versions I have seen weird behavior on > trying to get locks for reading from cache: > perf top output: > {code} > Samples: 379K of event 'cycles', Event count (approx.): 159277054084 > 20.54% libpthread-2.12.so [.] pthread_mutex_trylock > 10.59% traffic_server [.] CacheVC::openReadStartHead(int, Event*) > 5.49% traffic_server [.] > MutexTryLock::MutexTryLock(ProxyMutex*, EThread*) > 3.39% libtsutil.so.3 [.] ink_freelist_new > 3.17% traffic_server [.] EThread::process_event(Event*, int) > 3.06% [kernel] [k] _spin_lock_bh > 2.56% libtsutil.so.3 [.] ink_freelist_free > 1.48% [kernel] [k] _spin_lock > 1.46% traffic_server [.] EThread::execute() > 1.44% libpthread-2.12.so [.] pthread_mutex_unlock > 1.33% [kernel] [k] copy_user_generic_string > 1.22% traffic_server [.] Ptr<ProxyMutex>::operator=(ProxyMutex*) > {code} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira