Github user kumarvishal09 commented on the issue:
https://github.com/apache/incubator-carbondata/pull/659
@watermen Attached heap dump is of executor side btree or driver side?
1. Because in driver side btree is loaded based on segment and one segment
will have only one segment property instance.
2. In executor side carbon is loading segment property for each
block(carbon data file), so number of segment properties instance will be more
in executor side.
In my opinion we need to optimise in executor side btree loading , for one
segment across blocks there should be only one segment property instance
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