Re: Data encryption in Kudu

2017-05-02 Thread Franco Venturi
Dan, first of all thanks for reading through my long post and providing your comments and advice. You are 100% correct on the TDE column encryption in Oracle; I looked it up again in the 'Introduction to Transparent Data Encryption' in the 'Data Advanced Security Guide' (https://docs.or

Re: Data encryption in Kudu

2017-05-02 Thread Dan Burkert
Hi Franco, Thanks for the writeup! I'm not an Oracle expert, but my interpretation of the TDE column level encryption documentation/implementation is very different than yours. As far as I can tell, in both the per-column and table-space encryption modes, encryption/decryption is handled entirel

Re: Help start kudu error: Bad status: Invalid argument: Tried to update clock beyond the max. error.

2017-05-02 Thread Alexey Serbin
Hi, It seems the clock among the machines in the cluster is not synchronized as expected. It might be because of NTP configuration issues. There is some information to start troubleshooting with: http://kudu.apache.org/docs/troubleshooting.html#ntp That error might appear during tablet boo

Help start kudu error: Bad status: Invalid argument: Tried to update clock beyond the max. error.

2017-05-02 Thread ????????
Since the kudu cluster machine is powered down, I need to restart kudu-master and kudu-tserver. The cluster has three master and three tserver, one of the master and three tserver start error, error message: Bad status: Invalid argument: Tried to update clock beyond the max. Error. I tried to se