Periodically re-allocate cache store
Periodically re-allocate cache store

This perioically re-allocates the cache store to avoid memory
fragmentation and gradual slow down of the store after repeated
deletes and inserts into the map.

mark-rushakoff/influxdb,benbjohnson/influxdb,li-ang/influxdb,li-ang/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,benbjohnson/influxdb,vladlopes/influxdb,influxdb/influxdb,linearb/influxdb,benbjohnson/influxdb,mark-rushakoff/influxdb,linearb/influxdb,mark-rushakoff/influxdb,linearb/influxdb,vladlopes/influxdb,linearb/influxdb,vladlopes/influxdb,nooproblem/influxdb,benbjohnson/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,influxdb/influxdb,influxdb/influxdb,linearb/influxdb,influxdata/influxdb,vladlopes/influxdb,influxdb/influxdb,nooproblem/influxdb,influxdb/influxdb,nooproblem/influxdb