Change in Cache implementation for Loadbalance

[thandayuthapani]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 1134

• 5 of 7 (71.43%) changed or added relevant lines in 3 files are covered.
• 17 unchanged lines in 6 files lost coverage.
• Overall coverage increased (+0.1%) to 63.269%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
control/archaius/transfer.go	2	4	50.0%

Files with Coverage Reduction	New Missed Lines	%
control/archaius/transfer.go	1	85.71%
core/config/cd_config.go	2	0.0%
core/registry/servicecenter/util.go	3	48.21%
core/lager/logrotate.go	3	35.75%
server/highway/highway_conn.go	4	80.41%
core/registry/util.go	4	65.63%

Totals
Change from base Build 1132:	0.1%
Covered Lines:	5028
Relevant Lines:	7947

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💛 - Coveralls