When I backtrace it, it's spending a lot of time in
lzma_code () from /lib/x86_64-linux-gnu/liblzma.so.5
and children. strace shows lots of I/O going on. So it appears to be compression overhead.
When I backtrace it, it's spending a lot of time in
lzma_code () from /lib/x86_ 64-linux- gnu/liblzma. so.5
and children. strace shows lots of I/O going on. So it
appears to be compression overhead.