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如图,在增量快照同步阶段的时候,看日志使用了下面的 SQL 语句进行分块:
然后这个表使用了 3 个字段作为复合主键,这 3 个字段的类型分别是
varchar(256)
、bigint
、bigint
。第一个字段有可能是空字符串,不会为 null,但是为什么分块的时候传了一个 null 作为 SplitStart ?然后导致这个分块变得巨大远远超过了默认的
scan.incremental.snapshot.chunk.size
,然后 TaskManager 就 OOM 了。Beta Was this translation helpful? Give feedback.
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