about "Table snapshot size limit"

Sun, 14 Feb 2016 17:43:12 -0800 

I do not understand why  limit the size of the table 300MB, I think 300MB is 
too small, Can you explain this parameter "kylin.table.snapshot.max_mb"


java.lang.IllegalStateException: Table snapshot should be no greater than 300 
MB, but TableDesc [database=DEFAULT name=USER_PROFILE_NEW] size is 6620759443
        at 
org.apache.kylin.dict.lookup.SnapshotManager.buildSnapshot(SnapshotManager.java:95)
        at 
org.apache.kylin.cube.CubeManager.buildSnapshotTable(CubeManager.java:205)

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