JMX metrics: http://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/Metrics.html#FSNamesystem <http://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/Metrics.html#FSNamesystem>
Try to get them via http://namenode:$dfs.namenode.http-address/jmx > On 3 Sep 2019, at 16:32, Amith sha <[email protected]> wrote: > > @alex > I think no JMX metrics available and also regarding fsck that will be a > costlier operation in a cluster with 250Million fsobjects. > > > Thanks & Regards > Amithsha > > > On Tue, Sep 3, 2019 at 6:46 PM Alexander Batyrshin <[email protected] > <mailto:[email protected]>> wrote: > 1) JMX metrics > 2) hdfs fsck / > > > On 3 Sep 2019, at 13:23, HK <[email protected] > > <mailto:[email protected]>> wrote: > > > > Hi All, > > Is there a way to dump the block report from namenode ? > > > > -- Hema Kumar >
