Speed up delete series
Speed up delete series

Reduce lock contention and process shards in concurrently.

influxdata/influxdb,influxdb/influxdb,daachi/influxdb,joaopedrotaveira/influxdb,joaopedrotaveira/influxdb,archsaber/influxdb,mnuessler/influxdb,linearb/influxdb,apigee/influxdb,linearb/influxdb,runner-mei/influxdb,jgeiger/influxdb,benbjohnson/influxdb,influxdb/influxdb,pkittenis/influxdb,nooproblem/influxdb,vladlopes/influxdb,mark-rushakoff/influxdb,apigee/influxdb,benbjohnson/influxdb,archsaber/influxdb,jgeiger/influxdb,daachi/influxdb,pkittenis/influxdb,pkittenis/influxdb,mark-rushakoff/influxdb,mnuessler/influxdb,jgeiger/influxdb,runner-mei/influxdb,apigee/influxdb,nooproblem/influxdb,vladlopes/influxdb,benbjohnson/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,otoolep/influxdb,mnuessler/influxdb,daachi/influxdb,archsaber/influxdb,chenziliang/influxdb,benbjohnson/influxdb,vladlopes/influxdb,vladlopes/influxdb,influxdata/influxdb,nooproblem/influxdb,jgeiger/influxdb,joaopedrotaveira/influxdb,chenziliang/influxdb,otoolep/influxdb,mark-rushakoff/influxdb,daachi/influxdb,influxdb/influxdb,archsaber/influxdb,mnuessler/influxdb,linearb/influxdb,runner-mei/influxdb,nooproblem/influxdb,apigee/influxdb,mnuessler/influxdb,pkittenis/influxdb,linearb/influxdb,apigee/influxdb,otoolep/influxdb,li-ang/influxdb,runner-mei/influxdb,chenziliang/influxdb,otoolep/influxdb,influxdb/influxdb,influxdb/influxdb,chenziliang/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,li-ang/influxdb,otoolep/influxdb,joaopedrotaveira/influxdb,mark-rushakoff/influxdb,jgeiger/influxdb,linearb/influxdb,otoolep/influxdb,mnuessler/influxdb,pkittenis/influxdb,pkittenis/influxdb,daachi/influxdb,joaopedrotaveira/influxdb,jgeiger/influxdb,daachi/influxdb,apigee/influxdb