![]() Tar: /db/data/base/16408/12445.2: file changed as we read it Tar: Removing leading `/' from member names $ time tar -cf - /db/data | cat > /dev/null ![]() $ time fast-archiver -c -o /dev/null /db/dataġ008.92user 663.00system 27:38.27elapsed 100%CPU (0avgtext+0avgdata 24352maxresident)kĠinputs+0outputs (0major+1732minor)pagefaults 0swaps tar on a backup of over two million files fast-archiver takes 27 minutes to archive, vs. I wrote an open source tool called fast-archiver that is faster than tar for these scenarios: it works faster by performing multiple concurrent file operations. When copying a large number of files, I found that tools like tar and rsync are more inefficient than they need to be because of the overhead of opening and closing many files.
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