Re: Retrieving multiple records by composite primary key via java api

2017-09-25 Thread Todd Lipcon
Hi Mauricio, Currently we don't offer any kind of "multi-scan" or "multi-get" API. So the best bet is probably to use async scanners, separately, one for each range that you need to fetch. Assuming that the scans are short ranges or single keys, each such scanner should result in a single round-t

Re: impala + kudu

2017-09-25 Thread Alexey Serbin
Hi, What instructions did you use to get quickstart Kudu VM? It's recommended to use instruction at https://kudu.apache.org/docs/quickstart.html It's supposed the instructions will get you working VM up and running. At what step that failed and what was the error message? It might be helpful

impala + kudu

2017-09-25 Thread khan alam
Dear Users, Please help me with the basics on kudu installation i am little lost in the midst not sure of how to proceed i have the virtual machine down loaded. it does not have linux/ubuntu as mentioned in the kudu apache site. Guidance from you all folks is much appreciated. i believe there i

Retrieving multiple records by composite primary key via java api

2017-09-25 Thread Mauricio Aristizabal
Hi Kudu team KuduPredicate.newInListPredicate is very handy when retrieving multiple records in one scan, but it's not useful to do so by key if it's a composite primary key. What's the proper way to retrieve 50 arbitrary records by composite key? do we need to do 50 separate (perhaps async) scan