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The "GroomManager" page has been changed by ChiaHungLin: https://wiki.apache.org/hama/GroomManager?action=diff&rev1=8&rev2=9 * Register to Supervisor. * Maintain ('''local''') groom list. Persistent - == Monitored GroomServer State == + == Scenario == - * Normal - * Warning - * Offline + * When a groom registers, it + # check and move groom out of quarantined set if any + # cache groom server spec info. - {{{ - -> Normal <-> Warning <-> Offline <- - }}} + * When detecting a GroomServer offline, it + # '''quarantine''' the offline groom + # trigger reschedule tasks event + + + + == Source == [[http://svn.apache.org/repos/asf/hama/trunk/core/src/main/java/org/apache/hama/bsp/GroomServerManager.java|GroomServerManager.java]]
