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add document about stale read transaction #6347
add document about stale read transaction #6347
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这两个链接可以链接到本文中的对应章节吗?如果需要给出对应的 transaction 语法,是否可以在后面对应的章节里再提供呢?
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两边都已经进行了链接。
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加一个说明我们推荐的是 5 秒左右的历史读吧(最佳实践)。 cc @NingLin-P 5 秒 ok 吧?
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最好多测测几个场景再确定
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及SELECT
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针对场景三,就近读取到一个尽可能新的数据即可,一定要改 sql,加上「as of timestamp」么,还要明确指定一个时间?
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只要使用 Stale read 功能,就要改 SQL,和哪个场景没关系。