Closed ncloudioj closed 10 years ago
insert function failed when the input dataset has a large number of partitions (say, 1000+). It has something to do with the lmdb's lock table.
Since lmdb's readers and writers never show up together, turning on MDB_NOLOCK could fix this.
insert function failed when the input dataset has a large number of partitions (say, 1000+). It has something to do with the lmdb's lock table.
Since lmdb's readers and writers never show up together, turning on MDB_NOLOCK could fix this.