FAQ

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。

• 以fabric-sample为例的参考CI中的实现以及改动

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:Error msg as 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.

**Q: Network issue or cert issue.

A: In most case, TLS configuration is owned by user. Just point out how to configuration for Tape as usage guide. As for Tape maintainer can't touch user's network or key settings.