I see thank you. When I bring up hdfs (start-all from node with jobtracker) I see the following message on url: http://mynode:50070/dfshealth.jsp
*Safe mode is ON. The ratio of reported blocks 0.0000 has not reached the threshold 0.9990. Safe mode will be turned off automatically. **2352 files and directories, 2179 blocks = 4531 total. Heap Size is 54 MB / 888.94 MB (6%) * * * Whats going on here? On Wed, Mar 27, 2013 at 10:44 AM, Eric Newton <[email protected]> wrote: > This will (eventually) delete everything created by accumulo in hfds: > > $ hadoop fs -rmr /accumulo > > Accumulo will create a new area to hold your configurations. Accumulo > will basically abandon that old configuration. There's a class that can be > used to clean up old accumulo instances in zookeeper: > > $ ./bin/accumulo org.apache.accumulo.server.util.CleanZookeeper > hostname:port > > Where "hostname:port" is the name of one of your zookeeper hosts. > > -Eric > > > > On Wed, Mar 27, 2013 at 10:29 AM, Aji Janis <[email protected]> wrote: > >> Thanks Eric. But shouldn't I be cleaning up something in the hadoop-data >> directory too? and Zookeeper? >> >> >> >> On Wed, Mar 27, 2013 at 10:27 AM, Eric Newton <[email protected]>wrote: >> >>> To re-initialize accumulo, bring up zookeeper and hdfs. >>> >>> $ hadoop fs -rmr /accumulo >>> $ ./bin/accumulo init >>> >>> I do this about 100 times a day on my dev box. :-) >>> >>> -Eric >>> >>> >>> On Wed, Mar 27, 2013 at 10:10 AM, Aji Janis <[email protected]> wrote: >>> >>>> Hello, >>>> >>>> We have the following set up: >>>> >>>> zookeeper - 3.3.3-1073969 >>>> hadoop - 0.20.203.0 >>>> accumulo - 1.4.2 >>>> >>>> Our zookeeper crashed for some reason. I tried to doing a clean stop of >>>> everything and then brought up (in order) zookeeper and hadoop (cluster). >>>> But when trying to do a start-all on accumulo I get the following message >>>> gets infinitely printed to the screen: >>>> >>>> “26 12:45:43,551 [server.Accumulo] INFO : Waiting for accumulo to be >>>> initialized” >>>> >>>> >>>> >>>> Doing some digging on the web it seems that accumulo is hosed and needs >>>> some re-intialization. It also appears that may be I need to clean out >>>> things from zookeeper and hadoop prior to a re-initialization. Has any one >>>> done this before? Can someone please provide me some directions on what to >>>> do (or not to do)? Really appreciate help on this. Thanks. >>>> >>> >>> >> >
