8000 想咨询下在LogHeader中,LogPos选择end position的优势 · Issue #5480 · alibaba/canal · GitHub
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想咨询下在LogHeader中,LogPos选择end position的优势 #5480
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想咨询下在LogHeader中,LogPos选择end position的优势#5480
@NativeTheOne

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@NativeTheOne
NativeTheOne
opened on Jun 14, 2025

MySQL的binlog在遇到长事务的时候，如果该事务超出了2的32次方（4294967296）， binlog的end position会溢出从123开始，但是start position则不会。我这边因为需要用到这个position所以想咨询下选用end position的优势。

在LogHeader中，会加上当前event的长度算出end position
logPos += eventLen

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