Excuse me, I meant a SortedKeyValueIterator implementation :)
On Sun, May 20, 2012 at 12:18 AM, William Slacum <[email protected]> wrote: > A SortedKeyValue implementation would allow you to skip across rows > server side, potentially saving you lots of reads and network traffic. > > On Sun, May 20, 2012 at 12:03 AM, David Medinets > <[email protected]> wrote: >>> We can also talk about how to make this more efficient with an iterator if >>> you like. >> >> I would. How can it be more efficient? >> >> On Sat, May 19, 2012 at 7:49 PM, Adam Fuchs <[email protected]> wrote: >>> One issue here is you are mixing Iterator and Iterable in the same object. >> >> Good point. I've fixed that. And also looked at MockInstance. I've >> changed my code to the following which does seem to work. I have some >> code handle Column Family iterating but I want to hear about >> efficiency before I post that code. >> >> public class IteratorTestDriver { >> >> public static void main(String[] args) throws IOException, >> AccumuloException, AccumuloSecurityException, TableExistsException, >> TableNotFoundException { >> Instance mock = new MockInstance("development"); >> Connector connector = mock.getConnector("root", >> "password".getBytes()); >> connector.tableOperations().create("TABLEA"); >> >> BatchWriter wr = connector.createBatchWriter("TABLEA", >> 10000000, 10000, 5); >> for(int i = 0; i < 1000; ++i) { >> Mutation m = new Mutation("row_"+i); >> m.put("cf_"+i, "cq_"+1, "val_"+1); >> wr.addMutation(m); >> } >> wr.close(); >> >> Scanner scanner = connector.createScanner("TABLEA", new >> Authorizations()); >> >> for (String rowId : new RowIdIterator(scanner)) { >> System.out.println("ROW ID: " + rowId); >> } >> >> } >> }
