in ALS， I guess all the iteration’s rdds are referenced by its next iteration’s rdd, so all the shuffle data will not be deleted until the als job finished…
I guess checkpoint could solve my problem, do you know checkpoint? > 在 2015年3月3日，下午4:18，nitin [via Apache Spark User List] > <ml-node+s1001560n21889...@n3.nabble.com> 写道： > > Shuffle write will be cleaned if it is not referenced by any object > directly/indirectly. There is a garbage collector written inside spark which > periodically checks for weak references to RDDs/shuffle write/broadcast and > deletes them. > > If you reply to this email, your message will be added to the discussion > below: > http://apache-spark-user-list.1001560.n3.nabble.com/how-to-clean-shuffle-write-each-iteration-tp21886p21889.html > > <http://apache-spark-user-list.1001560.n3.nabble.com/how-to-clean-shuffle-write-each-iteration-tp21886p21889.html> > To unsubscribe from how to clean shuffle write each iteration, click here > <http://apache-spark-user-list.1001560.n3.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=21886&code=bGlzZW5kb25nQDE2My5jb218MjE4ODZ8MjQ0MTU2NDA4>. > NAML > <http://apache-spark-user-list.1001560.n3.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/how-to-clean-shuffle-write-each-iteration-tp21886p21890.html Sent from the Apache Spark User List mailing list archive at Nabble.com.
