Re: RamDirectory vs MemoryIndex vs MMapDirectory for In-Memory-Index

2018-09-25 Thread Matthias Müller
Thanks Dawid, glad I asked! Am Dienstag, den 25.09.2018, 10:46 +0200 schrieb Dawid Weiss: > Use MMapDirectory on a temporary location, Matthias. If you really > need in-memory indexes, a new Directory implementation is coming > (RAMDirectory will be deprecated, then removed), but the difference >

Re: RamDirectory vs MemoryIndex vs MMapDirectory for In-Memory-Index

2018-09-25 Thread Dawid Weiss
Use MMapDirectory on a temporary location, Matthias. If you really need in-memory indexes, a new Directory implementation is coming (RAMDirectory will be deprecated, then removed), but the difference compared to MMapDirectory is typically not worth the hassle. See this issue for more discussion.

RamDirectory vs MemoryIndex vs MMapDirectory for In-Memory-Index

2018-09-25 Thread Matthias Müller
Hi, Lucene provides different storage options for in-memory indexes. I found three structures that would qualify for the task: * RamDirectory (which I currently use for prototyping, but wonder if it is the ideal choice for my task) * MemoryIndex, which claims to have better performance and