https://issues.apache.org/jira/browse/ASTERIXDB-1164 might be related.
Cheers, Till On 11 Nov 2015, at 8:25, abdullah alamoudi wrote: > Hi all, > I am having a hard time figuring this out. Here are the symptoms I am > seeing in case one has an idea what this could be. > > I have a feed running ingesting data into a dataset. sporadically, I get > duplicate key exception errors (The key is of a string type) and I am 100% > sure that I don't have duplicate records. > > Moreover, I am printing the content of the frames about to be inserted into > the primary index and there are no duplicate records. > > There are three reasons why I am suspecting the String implementation: > 1. It is fairly recent change. > 2. When I run on a single node, or run one thread at a time, I never get > this exception. > 3. the key is a String. > > I have looked at the change trying to figure out where a race condition > might take place but it is well hidden (if it is true at all.). > > Let me know if you have seen something similar. > > Cheers, > Abdullah.
