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交易在dht网络广播中存在丢失情况 #1164

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bysomeone opened this issue Nov 5, 2021 · 1 comment

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bysomeone commented Nov 5, 2021 •

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测试方法

测试线上主链的区块广播，统计区块内交易是否都在mempool中存在，跑了2w个区块，5%的区块无法在mempool中找到完整的交易列表，即交易在网络广播中存在丢失情况
本机搭建4节点情况暂未发现丢失情况

相关模块

dht pubsub广播

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bysomeone commented Nov 19, 2021

本地双节点环境在高并发压测下也存在丢失, 主要是libp2p pubsub底层非阻塞实现, 在发送和接收端没有及时处理消息会将消息直接丢弃, 通过调整队列大小参数可以缓解
主链环境网络拓扑更复杂, 但并发数较低, 后续调整队列大小,升级版本后, 进一步测试

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