{"push_id":567485335,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"9bf232f07f8b2a7eec864e77188e51e94da1b41c","before":"c70fb333f1da399df5b46ab28d9725335fba3de2","commits":[{"sha":"9bf232f07f8b2a7eec864e77188e51e94da1b41c","author":{"email":"7d38718787b0a92009285a2644c72c37b166aa83@iq80.com","name":"Dain Sundstrom"},"message":"Use individual slices for each value in ORC\n\nInstead of using a shared buffer for blocks and dictionaries use separate slice\nfor each value.  This reduces heap fragmentation and excessive memory retention\nat the expense of object creation.","distinct":true,"url":"https://api.github.com/repos/facebook/presto/commits/9bf232f07f8b2a7eec864e77188e51e94da1b41c"}]}