What are the summary index improvements in 4.2?

[nbharadwaj]

We have summary indexes currently but we have problems:

• When splunkd is down for maintenance summaries have gaps

How is this better in 4.2? What are the other benefits?

[yannK]

You can try the backfilling method, that was already available on previous versions

http://www.splunk.com/base/Documentation/4.2/Knowledge/Managesummaryindexgapsandoverlaps