Add a note about GHC 8.8.x GC issue
commit39246862d61e6d083fe1f3b3352ad0b0327837ae
authorHarendra Kumar <harendra.kumar@gmail.com>
dateSun 29 Dec 2019, 11:27 (7 years ago)
parent90ce159
docs/Build.md+5
@@ -38,6 +38,11 @@ multi-core parallelism use the following GHC options:
3838
3939# Compiler Versions
4040
41+GHC 8.8.x seems to have a GC issue which causes space leak in concurrent
42+streams especially when used with `-N` RTS option. The root cause of
43+this has not yet been established. The leak is not seen with earlier
44+versions of GHC.
45+
4146GHC 8.2.2 may hog memory and hang when building certain application using
4247streamly (particularly the benchmark programs in the streamly package).
4348Therefore we recommend avoiding using the GHC version 8.2.x.