== sanity test 184c: Concurrent write and layout swap ==== 00:57:17 (1789361837)
61+0 records in
61+0 records out
63963136 bytes (64 MB, 61 MiB) copied, 3.83161 s, 16.7 MB/s
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 1.30621 s, 16.1 MB/s
ref file size: ref1(63963136), ref2(20971520)
3904+0 records in
3904+0 records out
63963136 bytes (64 MB, 61 MiB) copied, 7.17186 s, 8.9 MB/s
Copied 1245184 bytes before swapping layout...