xuehuanran opened a new issue #7344:
URL: https://github.com/apache/pulsar/issues/7344
The consumer of python client somtimes cannot receive the data of a
persistent topic. The receive is blocked.
e.g.
The topic name is
"persistent://public/default/huanran_202006232213_public_key", and the stats is
shown as below.
`{
"msgRateIn" : 0.0,
"msgThroughputIn" : 0.0,
"msgRateOut" : 0.0,
"msgThroughputOut" : 0.0,
"averageMsgSize" : 0.0,
"storageSize" : 2694,
"backlogSize" : 0,
"publishers" : [ {
"msgRateIn" : 0.0,
"msgThroughputIn" : 0.0,
"averageMsgSize" : 0.0,
"producerId" : 0,
"metadata" : { },
"address" : "/127.0.0.1:56474",
"producerName" : "standalone-17-48",
"connectedSince" : "2020-06-23T22:14:05.502+08:00",
"clientVersion" : "2.4.1"
} ],
"subscriptions" : {
"huanran_202006232213_public_key_sub" : {
"msgRateOut" : 0.0,
"msgThroughputOut" : 0.0,
"msgRateRedeliver" : 0.0,
"msgBacklog" : 0,
"blockedSubscriptionOnUnackedMsgs" : false,
"msgDelayed" : 0,
"unackedMessages" : 0,
"type" : "Exclusive",
"activeConsumerName" : "914e9d",
"msgRateExpired" : 0.0,
"lastExpireTimestamp" : 0,
"consumers" : [ {
"msgRateOut" : 0.0,
"msgThroughputOut" : 0.0,
"msgRateRedeliver" : 0.0,
"consumerName" : "914e9d",
"availablePermits" : 10,
"unackedMessages" : 0,
"blockedConsumerOnUnackedMsgs" : false,
"metadata" : { },
"address" : "/127.0.0.1:56477",
"connectedSince" : "2020-06-23T22:14:16.453+08:00",
"clientVersion" : "2.4.1"
} ],
"isReplicated" : false
}
},
"replication" : { },
"deduplicationStatus" : "Disabled",
"bytesInCounter" : 2694,
"msgInCounter" : 2
}`
`{
"entriesAddedCounter" : 2,
"numberOfEntries" : 2,
"totalSize" : 2694,
"currentLedgerEntries" : 2,
"currentLedgerSize" : 2694,
"lastLedgerCreatedTimestamp" : "2020-06-23T22:14:05.5+08:00",
"waitingCursorsCount" : 1,
"pendingAddEntriesCount" : 0,
"lastConfirmedEntry" : "4644:1",
"state" : "LedgerOpened",
"ledgers" : [ {
"ledgerId" : 4644,
"entries" : 0,
"size" : 0,
"offloaded" : false
} ],
"cursors" : {
"huanran_202006232213_public_key_sub" : {
"markDeletePosition" : "4644:1",
"readPosition" : "4644:2",
"waitingReadOp" : false,
"pendingReadOps" : 0,
"messagesConsumedCounter" : 2,
"cursorLedger" : 4648,
"cursorLedgerLastEntry" : 0,
"individuallyDeletedMessages" : "[]",
"lastLedgerSwitchTimestamp" : "2020-06-23T22:14:16.447+08:00",
"state" : "Open",
"numberOfEntriesSinceFirstNotAckedMessage" : 1,
"totalNonContiguousDeletedMessagesRange" : 0,
"properties" : { }
}
}
}
`
The `msg = consumer.receive() ` is block.
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