Comments (6)
出现252后面,就会大量的出现
[E] saving msg error code: 202, message: Too many simultaneous queries. Maximum: 100 will loop to write the data
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使用clickhouse_sinker,大量的
[E] saving msg error code: 252, message: Too many parts (300). Merges are processing significantly slower than inserts. will loop to write the data
错误。请问如何解决?
这个是你插入太多碎片导致了,比如分区设计不合理,一批数据过小等
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后面202 是循环插入 导致的, 这个我会fix下, 设置一个最大重试次数
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多谢,
我使用clickhouse_sinker来同步kafka的数据到clickhouse,对于流量比较高的topics就很正常(2000/s),但有些topics数据量比较少就会出现错误,可能设计个最低的缓存量,再一起批量写到clickhouse里?
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多谢,
我使用clickhouse_sinker来同步kafka的数据到clickhouse,对于流量比较高的topics就很正常(2000/s),但有些topics数据量比较少就会出现错误,可能设计个最低的缓存量,再一起批量写到clickhouse里?
hmm, 这个不好折中, 有的数据可能就是 非常少, 所以我这里提供了2个参数
flushInterval, bufferSize
可以到task级别去设置, 调大对应的参数
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不过,自由度还是交给用户好,所以我加入了 minBufferSize, 这个配置下 buffer太小 不会受到 flushInterval 影响
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