xiaolgg
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xiaolgg
## Question 业务表中有个大Json字段耗时比较严重,因为我在本地复现类似场景,构造5.9MB的字符串数组,canal解析该Json值耗时约11min。  通过监控发现解析Json过程中调用duplicate总耗时也约为11min。 ```java public final LogBuffer duplicate(final int pos, final int len) { if (pos + len > limit) throw new IllegalArgumentException("limit excceed: " + (pos +...