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Ship it! Ship It! - Vitalyi Brodetskyi On Гру. 30, 2015, 2:30 після полудня, Dmytro Sen wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/41797/ > ----------------------------------------------------------- > > (Updated Гру. 30, 2015, 2:30 після полудня) > > > Review request for Ambari, Andrew Onischuk and Vitalyi Brodetskyi. > > > Bugs: AMBARI-14524 > https://issues.apache.org/jira/browse/AMBARI-14524 > > > Repository: ambari > > > Description > ------- > > PROBLEM: Ambari should give recommendations on this setting: > dfs.datanode.du.reserved > The default is 1GB and that is too low for a lot of our production customers. > If this is too low and the space on the datanode fills up, the nodemanagers > will start failing the health checks and we get into a bad state with not > enough nodemanagers being up. At this point the admin tries to run the > balancer and hope that it will balance very quickly. > There should be a recommendation on this value based on the disk space > available in the datanode volume. In addition, if the user sets it too low > there should be a warning saying this will cause problems if enough buffer is > not kept. > > > Diffs > ----- > > > ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/configuration/hdfs-site.xml > 3282522 > ambari-server/src/main/resources/stacks/HDP/2.0.6/services/stack_advisor.py > 7e2871b > ambari-server/src/main/resources/stacks/HDP/2.2/services/stack_advisor.py > 12f85b8 > ambari-server/src/main/resources/stacks/HDP/2.3/services/stack_advisor.py > 5ab05fd > ambari-server/src/test/python/stacks/2.0.6/common/test_stack_advisor.py > 6699e94 > ambari-server/src/test/python/stacks/2.1/common/test_stack_advisor.py > 63d34af > ambari-server/src/test/python/stacks/2.2/common/test_stack_advisor.py > 4e5458e > ambari-server/src/test/python/stacks/2.3/common/test_stack_advisor.py > db61f5f > > Diff: https://reviews.apache.org/r/41797/diff/ > > > Testing > ------- > > Ran 251 tests in 8.189s > > OK > ---------------------------------------------------------------------- > Total run:858 > Total errors:0 > Total failures:0 > OK > > > Thanks, > > Dmytro Sen > >
