subsets of data for example Postgres Conference China 2016 中国用户大会 Bidirectional Replication (BDR) • 2nd Quadrant’s BDR Bidirectional Replication provides multi-master capability to PostgreSQL. Ability to

2470 pgbench variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The next two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The next two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The next two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The next two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The next two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The next two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The last two fields are min_latency - a minimum latency within the interval, and

are useful for variance estimation - latency_sum is a sum of latencies and latency_2_sum is a sum of 2nd powers of latencies. The last two fields are min_latency - a minimum latency within the interval, and