我们正在把记录批量插入超级分类账结构。然而,我们正在讨论超时问题。即使我们不断增加超时时间,我们也会在稍后发生这个错误。
每个事务使用
PutState
在所有这些记录的循环中(盲插入,读取集中没有任何内容)。我们还将BatchTimeout增加到3s,MaxMessageCount增加到100,这样我们就得到了更大的块(我们看到每个块有4个事务,所以每个块有4000条[4x1000条记录/事务]记录被插入到分类账中)。
当CouchDB的批量更新失败,并且对等方必须分别重试每个(每个事务1000条记录中的)记录时,查询花费的时间太长,超过了超时时间。但这是我们的假设。我们还发现:
https://jira.hyperledger.org/browse/FAB-10558
,但它说它已经在v1.2.0中修复了,这是我们正在使用的版本。
我们的错误是
net/http: request canceled (Client.Timeout exceeded while reading body)
从以下日志中:
我们尝试在对等容器中设置以下环境变量:
CORE_CHAINCODE_EXECUTETIMEOUT=120s
还有
req.setProposalWaitTime(120 * 1000)
使用Java SDK时。
但是,我们只是在稍后得到相同的超时错误。所以我们可以继续增加超时变量到一个更大的数字,但我们相信它会在以后再次发生。插入CouchDB所需的时间是否与CouchDB中的记录数成比例?当文档数量增加时,更新索引可能需要更多的时间?
October 5th 2018, 04:36:38.646 github.com/hyperledger/fabric/core/committer.(*LedgerCommitter).CommitWithPvtData(0xc4222db8c0, 0xc451e4f470, 0xc4312ddd40, 0xdf8475800)
October 5th 2018, 04:36:38.646 github.com/hyperledger/fabric/gossip/state.(*GossipStateProviderImpl).deliverPayloads(0xc4220c5a00)
October 5th 2018, 04:36:38.646 goroutine 283 [running]:
October 5th 2018, 04:36:38.646 /opt/gopath/src/github.com/hyperledger/fabric/core/committer/committer_impl.go:105 +0x6b
October 5th 2018, 04:36:38.646 /opt/gopath/src/github.com/hyperledger/fabric/gossip/privdata/coordinator.go:236 +0xc3b
October 5th 2018, 04:36:38.646 /opt/gopath/src/github.com/hyperledger/fabric/gossip/state/state.go:771 +0x6c
October 5th 2018, 04:36:38.646
October 5th 2018, 04:36:38.646 github.com/hyperledger/fabric/core/ledger/kvledger.(*kvLedger).CommitWithPvtData(0xc421fb1860, 0xc451e4f470, 0x0, 0x0)
October 5th 2018, 04:36:38.646 github.com/hyperledger/fabric/gossip/privdata.(*coordinator).StoreBlock(0xc422286e60, 0xc42462cd80, 0x0, 0x0, 0x0, 0xc4312dde78, 0x7329db)
October 5th 2018, 04:36:38.646 github.com/hyperledger/fabric/gossip/state.(*GossipStateProviderImpl).commitBlock(0xc4220c5a00, 0xc42462cd80, 0x0, 0x0, 0x0, 0x0, 0x0)
October 5th 2018, 04:36:38.646 panic: Error during commit to txmgr:net/http: request canceled (Client.Timeout exceeded while reading body)
October 5th 2018, 04:36:38.646 /opt/gopath/src/github.com/hyperledger/fabric/core/ledger/kvledger/kv_ledger.go:273 +0x870
October 5th 2018, 04:36:38.646 /opt/gopath/src/github.com/hyperledger/fabric/gossip/state/state.go:558 +0x3c5
October 5th 2018, 04:36:38.646 /opt/gopath/src/github.com/hyperledger/fabric/gossip/state/state.go:239 +0x681
October 5th 2018, 04:36:38.646 created by github.com/hyperledger/fabric/gossip/state.NewGossipStateProvider
October 5th 2018, 04:36:03.645 2018-10-04 20:36:00.783 UTC [kvledger] CommitWithPvtData -> INFO 466e[0m Channel [mychannel]: Committed block [1719] with 4 transaction(s)
October 5th 2018, 04:35:56.644 [33m2018-10-04 20:35:55.807 UTC [statecouchdb] commitUpdates -> WARN 465c[0m CouchDB batch document update encountered an problem. Retrying update for document ID:32216027-da66-4ecd-91a1-a37bdf47f07d
October 5th 2018, 04:35:56.644 [33m2018-10-04 20:35:55.866 UTC [statecouchdb] commitUpdates -> WARN 4663[0m CouchDB batch document update encountered an problem. Retrying update for document ID:6eaed2ae-e5c4-48b1-b063-20eb3009969b
October 5th 2018, 04:35:56.644 [33m2018-10-04 20:35:55.870 UTC [statecouchdb] commitUpdates -> WARN 4664[0m CouchDB batch document update encountered an problem. Retrying update for document ID:2ca2fbcc-e78f-4ed0-be70-2c4d7ecbee69
October 5th 2018, 04:35:56.644 [33m2018-10-04 20:35:55.904 UTC [statecouchdb] commitUpdates -> WARN 4667[0m CouchDB batch document update encountered an problem. ... and so on
