storage: double check the cache to avoid deleting keys that still exist
storage: double check the cache to avoid deleting keys that still exist

influxdb/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,influxdb/influxdb,li-ang/influxdb,nooproblem/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,nooproblem/influxdb,nooproblem/influxdb,influxdata/influxdb,influxdb/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,li-ang/influxdb