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现象描述:使用mongoshake同步mongo数据到kafka,原来已经有不少表在同步了,昨天新增了一个数据表(源表数据只有3k+)同步后使用的内存激增,8G加到64G才解决问题,内存使用平稳在46G左右。有开启checkpoint,看日志感觉是在全量同步追数的感觉。正常情况下,日志显示的时间跟系统时间是差不多的。
疑问: 1.新增数据表进行同步时,可能造成内存激增的原因是什么? 2.增量同步模式下,新增数据表同步,是否会触发全量同步?
麻烦帮忙解答一下,谢谢!
The text was updated successfully, but these errors were encountered:
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现象描述:使用mongoshake同步mongo数据到kafka,原来已经有不少表在同步了,昨天新增了一个数据表(源表数据只有3k+)同步后使用的内存激增,8G加到64G才解决问题,内存使用平稳在46G左右。有开启checkpoint,看日志感觉是在全量同步追数的感觉。正常情况下,日志显示的时间跟系统时间是差不多的。
疑问:
1.新增数据表进行同步时,可能造成内存激增的原因是什么?
2.增量同步模式下,新增数据表同步,是否会触发全量同步?
麻烦帮忙解答一下,谢谢!
The text was updated successfully, but these errors were encountered: