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Sam Yuan edited this page Apr 21, 2022 · 10 revisions

Q:如何看到更多的日志信息

A:We use logrus for logging, which can be set with env var export TAPE_LOGLEVEL=debug, It could be one of (warn by default): panic, fatal, error, warn, warning, info, debug, trace

Q:测出来的Fabric网络TPS异常低

A: 有很多因素都会影响网络TPS,Tape不负责调试网络,不过通常可以尝试做出以下的调整

  • Increase number of messages per block in your channel configuration

Q:与Caliper的不同

A: 以下内容可以供参考

  • Tape不使用任何SDK,因此在测试中不包括SDK部分。
  • Tape可以调整发送至peer的压力,通过grpc链接数目的方式。
  • Tape的alpha上新增了对于open tracing的支持。

Q:是否初始化智能合约问题

A:Tape目前并不部署fabric网络,因此需要手工调用智能合约。

Q:Tape ERRO[0000] ProposalResponsePayloads from Peers do not match

A: https://github.com/Hyperledger-TWGC/tape/issues/131

Q:ERRO[0000] failed to create block collector: threshold and total must be greater than zero

A: https://github.com/Hyperledger-TWGC/tape/issues/231

Q:Transaction only succeed once in a single tape experiment

A: https://github.com/Hyperledger-TWGC/tape/issues/229

**Q: rpc error: code = Unavailable desc =

A: this kind of error is from GRPC connection, please check your server log. And as it's network issue... it's hard for tape maintainer to help you debug it.

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