== sanity test 184c: Concurrent write and layout swap ==== 17:51:17 (1718401877)
25+0 records in
25+0 records out
26214400 bytes (26 MB) copied, 0.414785 s, 63.2 MB/s
63+0 records in
63+0 records out
66060288 bytes (66 MB) copied, 0.979139 s, 67.5 MB/s
ref file size: ref1(26214400), ref2(66060288)
1600+0 records in
1600+0 records out
26214400 bytes (26 MB) copied, 0.424891 s, 61.7 MB/s
Copied 7962624 bytes before swapping layout...