Yes even in my case fstab issue was not there. Rather i could clearly find the issue from datanode logs under /var/log/ and fix the issue. I have a blog on the same as below. Please comment on blog if it helps.   https://itdoctorharsha.wordpress.com/2019/08/23/hadoop-data-volume-failures-and-solution-cloudera/ ... View more

I've discovered by painful experience that this might be caused by having more than one oracle java installed, and even worse, any version of openjdk java. Namely, make sure you have added the ca you used for the ssl to the java keystore of the java version you are using (you can find that out in process list). Also, make sure that keytool you are using is belonging to this version of java - so it's best to have only one version installed, or (if that is unavoidable), use the full path to keytool. Hope it helps. ... View more

if you fixed the issue, please tell me how do create roles for hive database and grant permissions. ... View more

Hi,@MC,My Hue still can not work, can help me? Thank you!         ... View more

In that case, can you suggest a way to speed up the SSL communication with Impala ? Currently we are using Tableau to extract data from Impala. And with SSL activated, the data extraction is at least 30x to 100x slower than before. Did you see this behavior ? Do you have a remedy for it ? Thanks in advance. ... View more