Hi folks, Some questions about performance of `DirectoryReader.open`.
I have a RAMDirectory containing less than 500 documents, the directory size is around 50kb only. However, calling `DirectoryReader.open` on it is very slow, the p50 is around 1.5 second and p99 is around 6.5 seconds. Any idea why is it slow? Or how I can speed it up? Thanks in advance! Yan
