[john_kerl]

It's indeed written in Go now, which indeed has GC, and ultimately all memory is freed ... but there are indeed some issues around intermediate retention of memory, taking more memory than one would have expected.

Some gains were made on https://github.com/johnkerl/miller/pull/1133 and https://github.com/johnkerl/miller/pull/1132

[john_kerl]

See also https://github.com/johnkerl/miller/issues/1119

[john_kerl]

And https://github.com/johnkerl/miller/pull/1131