Re: java.lang.OutOfMemoryError: GC overhead limit exceeded

2015-12-17 Thread mohit.kaushik
On 12/16/2015 09:07 PM, Eric Newton wrote: I was making the huge assumption that your client runs with the accumulo scripts and it is not one of the accumulo known start points: in this case, it is given the JVM parameters of ACCUMULO_OTHER_OPTS. Perhaps I am asking something very obvious but I

Graph analysis with Accumulo and Gaffer

2015-12-17 Thread Sean Busbey
Hi folks! FYI, GCHQ recently published Gaffer, a graph analytics framework that uses Accumulo as the storage layer. It's up on GitHub under an ASLv2 license, though they aren't accepting contributions yet: https://github.com/GovernmentCommunicationsHeadquarters/Gaffer It also got a decent

Re: java.lang.OutOfMemoryError: GC overhead limit exceeded

2015-12-17 Thread Eric Newton
Regardless of how you are running your client, it is running out of memory. You can adjust your java options to give the jvm more memory. Alternatively, you an change how you use the client API to reduce memory usage. I just map the hostnames of the servers in client's /etc/hosts file and use >

Re: java.lang.OutOfMemoryError: GC overhead limit exceeded

2015-12-17 Thread Josh Elser
mohit.kaushik wrote: On 12/16/2015 09:07 PM, Eric Newton wrote: I was making the huge assumption that your client runs with the accumulo scripts and it is not one of the accumulo known start points: in this case, it is given the JVM parameters of ACCUMULO_OTHER_OPTS. Perhaps I am asking

Midpoint between two splits

2015-12-17 Thread Adam J. Shook
Hello all, I've got an odd use case that requires me to calculate the midpoint between two Accumulo splits. I've been searching through the Accumulo source code for a little bit trying to find where Accumulo automatically calculates a new split. I am assuming that the new split point is

Re: Midpoint between two splits

2015-12-17 Thread Eric Newton
You'll want to look at org.apache.accumulo.server.util.FileUtil#findMidPoint. Note that it isn't in the public API, and can change in the future. -Eric On Thu, Dec 17, 2015 at 1:17 PM, Adam J. Shook wrote: > Hello all, > > I've got an odd use case that requires me to

Re: Midpoint between two splits

2015-12-17 Thread Adam J. Shook
Thank you, Eric! Making this public may be helpful to others down the road. Unsure how many requests are out there for this kind of functionality being public. On Thu, Dec 17, 2015 at 3:58 PM, Eric Newton wrote: > You'll want to look > at