In the current version of FASTER C++, on Linux, we use libaio for async IO handling. It is a known issue that libaio is not very efficient. Recently, io_uring is released with Linux kernel 5.1, which advertises to be a high performance aysnc IO library. It would be useful to try it and see if we can improve disk performance on Linux by replacing libaio with it.

More details for io_uring

What happened

Accidentally omitting document content returns 500 Internal Server Error with a body of {"message":"Internal error","uri":"/new_index"}

What was expected

Emitting any kind of helpful message would be helpful. Also, in my experience, when the client receives a 500 response, there is usually something informative on the server-side. But in this case, the server e

I have dropped this feature when porting Thinlet UI to JavaFX (later, replaced by Swing.)

Thinlet Lule has "Tools > Export" menu. This wiki describes the feature.
https://github.com/DmitryKey/luke/wiki/Exporting-index-to-xml

I would like to re-think this feature (but cannot take enough time for this now.)
When (re)implementing this feature, file format selection (e.g. export to xml, json o

Describe the issue

As Hyperspace is actively evolving, we frequently see breaking changes to the index metadata, requiring old indexes to be discarded and unusable. Currently, for such cases, the user sees jackson serialization errors (JSON metadata could not be read because of incompatible json structure). E.g. Unexpected fiel