Where can I find more details about secondary indexes? On Wed, May 19, 2010 at 10:07 AM, Jonathan Ellis <jbel...@gmail.com> wrote:
> 0.7 has been coming along at the same time that we've been releasing > updates for 0.6 (0.6.2 coming soon). > > Some things look familiar from our first projected 0.7 roadmap [1] but > some do not. (This is why when people ask me what new features > Cassandra will have in six months, I have trouble answering; even in > two months plans change.) > > Features completed as expected: > 1. online schema (keyspace + CF) changes > 2. change row keys from String to byte[] > 3. truncation support > 4. expiring column support > 5. configuration format moved to yaml > 6. DatacenterShardStrategy finished (with ConsistencyLevel.DCQUORUM > and DCQUORUMSYNC) > > Features that are not yet finished but will probably work out more or > less as predicted: > 1. vector clock support > 2. avro support (note that "as predicted" for avro means "it will be > alpha/beta-ish," not that it will be a stable api for 0.7) > 3. support for wide rows (changes row width in the storage format > from 32bits to 64; reading old-format files will be supported) > 4. improved JVM defaults for garbage collection > > Features that we are re-evaluating for 0.8: > 1. rewrite of storage engine to support arbitrarily nested columns > > Features that we did not originally expect to do in 0.7, but are now > looking like they will happen: > 1. secondary indexes > > For more detail, you can look at the trunk CHANGES file [2], the jira > completed-for-0.7 list [3] and the jira pending-for-0.7 list [4]. > > At this point I think we are 4-6 weeks away from a 0.7 beta. > > [1] > http://www.mail-archive.com/cassandra-...@incubator.apache.org/msg01512.html > [2] http://svn.apache.org/repos/asf/cassandra/trunk/CHANGES.txt > [3] > https://issues.apache.org/jira/secure/IssueNavigator.jspa?mode=hide&requestId=12314300 > [4] > https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=DESC&sorter/field=priority&resolution=-1&pid=12310865&fixfor=12314533 > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
