move to latest AWS sdk (1.8.11)
Custom AWSCredentialsProviderChain for the S3 storage module: supports existing druid config, file, environment variable, system property, profile and (most importantly) instance profile based credential options
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Union Queries move merge to historical
handle union query on realtime node
Merge remote-tracking branch 'upstream/master'
make the inner provider classes static
formatting
merge from master and resolve conflicts
fix bug for #887, that is cannot query multi partitions of one datasource on realtime node.
Commonalize the cache config and change default to disable cache
Modify according to fjy's review, add reformatting according to eaclipse_formatting.xml
Merge remote-tracking branch 'upstream/master'
tests passing with on heap incremental index
code cleanups & formatting
make tests parameterised
a whole bunch of cleanup and fixes
Introduce buffer size
consider mapped size in limit calculation & review comments