Re: persistent set of strings

2015-08-24 Thread Chetan Mehrotra
Hi Tomek, To start with I think a flat file based approach should be fine. While working on [1] it was observed that 2M blobId consumed 500MB memory. As this logic is to be implemented in oak-run probably it should be fine for now to just use a in memory HashSet Later if it becomes problem we

persistent set of strings

2015-08-24 Thread Tomek Rekawek
Hello, I started working on OAK-3148, which is a new feature that allows to gradually migrate blobs from one store to another, without turning off the instance. In order to create the SplitBlobStore I need a way to remember (and save) already transferred blob ids. So, basically I need a