hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jason Rutherglen <jason.rutherg...@gmail.com>
Subject Re: prefix compression
Date Sat, 04 Jun 2011 03:42:22 GMT
Here's a nice preliminary number with the FST, 50 million dates of the
form yyyyMMddHHmmssSSS, with each incremented by one millisecond.  The
FST is 984 bytes, with an incrementing long to point to the presumably
MMap'd value data.  This's a bit crazy.

Perhaps we should try other increments as well?  Given that HBase keys
especially are probably close increments of each other, I think the
FST can always be loaded into RAM with pointers out to the actual

View raw message