Event store database compression

Is there any flag that will enable EventStore to gzip or somehow compress json that it stores?
Yes, I can do it manually before putting event into DB, but I suppose that we won’t be able to write projections in that case. And probably won’t be able to see the data in the streams with ES UI?

For now we are using built in compression on data folder of windows. Is it a normal practice?

"For now we are using built in compression on data folder of windows.
Is it a normal practice?"

Yes so long as performance is reasonable (obviously this will take a
performance hit). I have not tested with windows compression but have
tested with ext4 in linux and it worked reasonably well.

Greg