ompression enabled in
most scenarios without having worry about a tradeoff between space
usage and performance.  TreeDB's performance on the other hand is
better without compression than with compression.  Presumably this is
because TreeDB's compression library (LZO) is more expensive than
LevelDB's compression library (Snappy).<p>

<h3>E. Using More Memory</h3>
<p>We increased the overall cache size for each database to 128 MB. For LevelDB, we partitioned 128 MB into a 120 MB write buffer and 8 MB of cache