Matthews finds that query response times "are usually at their ugliest" after a new release or a migration.
Matthews发现,在发布新版本或进行迁移之后,查询响应时间“通常非常古怪”。
Those changes cut the costs for the original query down to half and also greatly reduced the query response time.
那些更改将原始查询的成本缩减了一半,同时也极大地减少了查询响应时间。
This is especially important in the OLTP environment where transactions are huge and query response time is critical.
这在OLTP环境中尤为重要,该环境中的事务十分巨大,而且查询响应时间十分关键。
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