Just a heads-up that we just posted an update to the benchmarks: - No more superfluous index on the primary key - WAL turned on with auto-checkpointing every 4096 pages
http://leveldb.googlecode.com/svn/trunk/doc/benchmark.html A diff of the results is here: http://code.google.com/p/leveldb/source/diff?spec=svn45&r=45&format=side&path=/trunk/doc/benchmark.html&old_path=/trunk/doc/benchmark.html&old=44 A new version of db_bench_sqlite3.cc is also included in the same revision. As predicted by people here, SQLite shows significant performance improvements across the board except for large values (which I attribute to WAL). We're planning to put together a benchmark that uses 64-bit integers as keys, rather than 128-bit/16-byte blobs (My understanding is that SQLite stores 64-bit, not 32-bit integers). I'll post the results to this mailing list. Thanks everyone for your suggestions. Gabor Product Manager, Google
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