MongoDB支持多种读偏好设置,包括primary、secondary、nearest等。当应用程序尝试进行读操作时,如果读偏好设置与实际的MongoDB拓扑结构不匹配,就会报错"Could not find host matching read preference"。 例如,如果应用程序的读偏好设置为secondary,但实际上没有secondary节点可用,就会出现这个错误。 解决方法 要解决这个问题...
在解决问题之前,我们首先需要确定报错的原因。报错信息"code 133 could not find host matching read preference"表明在读取数据时,MongoDB找不到匹配读偏好设置的主机。这通常是由于读偏好设置与数据库连接不匹配所致。因此,我们需要检查读偏好设置并对其进行更改。 2.2 更改读偏好设置 为了更改读偏好设置,我们需要使用...
导致原因:集群有12w+的collection 需要尽快解决collection过多的问题方可解决
现象：报错Could not find host matching read preference { mode: "primary" } for set shard1' on...
Last reported error: Could not find host matchingreadpreference { mode:"primary"}forsetrs_shardsvr2 Time of reported error: Fri Feb 25 2022 22:00:25 GMT+0800 (CST) 注释: 从字面意思上看是连接不到rs_shardsrv2复制集的PRIMARY节点。
Set":"rs0","error":"FailedToSatisfyReadPreference: Could not find host matching read preference { mode: \"nearest\" } for set rs0"}} Error: connect failed to replica set rs0/percona-db-psmdb-db-rs0-0.percona-db-psmdb-db-rs0.default.svc.cluster.local:27017,percona-db-psmdb-d...
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(); conn->flags.readMoreRequests = false; @@ -2271,11 +2287,11 @@ request->flags.spoof_client_ip = conn->port->spoof_client_ip; } - if (internalCheck(request->urlpath.buf())) { + if (internalCheck(request->urlpath.termedBuf())) { if (internalHostnameIs(request->GetHost())...
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