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mysql 5.7 查看事务的阻塞关系 SELECT r.trx_id waiting_trx_id, r.trx_mysql_thread_id waiting_thread, r.trx_query waiting_query, b.trx_id blocking_trx_id, b.trx_mysql_thread_id blocking_thread, b.trx_query blocking_query FROM information_sch...

K8s 1.18.3 Chart: grafana-8.6.4.tgz Image: 11.4.0 seccompProfile is not support on k8s 1.18.3： Error: unable to build kubernetes objects from release manifest: error validating "": error validating data: ValidationError(Deployment.spec.template.spec.contain...

Grafana v11 Background Filter(exported_namespace) is not work with old prometheus in grafana 11. label_values(kube_pod_info{exported_namespace="$namespace"},exported_pod) INFOHello, and thank you for letting us know! Please see this change in Grafana v11. We...

MySQL 监控 - MySQL 查询数 没有图表 - MySQL Temporary Objects 没有图表 - MySQL 查询类型(范围/全表) 没有图表 需要设置 interval 变量为 auto，不能为 1s。 表格 Value 字段改名 Grafana 11 表格的 Value 字段改名为指标的名字，需要在 Transformations 里面修改。 Add Series to Rows Merge series/tables 检查所有纵坐标的单位 Standard options...

Error: JMX connector server communication error: service:jmx:rmi://kafka-broker-0:5555 jdk.internal.agent.AgentConfigurationError: java.rmi.server.ExportException: Port already in use: 5555; nested exception is: java.net.BindException: Address already ...

Leader Parition Error [Producer ] Could not connect to leader for partition CodeWallEEvent/1: Kafka::LeaderNotAvailable Describe Topic Stat kafka-topics.sh --bootstrap-server localhost:9092 --describe --topic CodeWallEEvent Topic: CodeWallEEvent TopicId:...

Errors Source[open-telemetry-trace-id:,span-id:] 2025-03-31 17:01:32.553 ERROR 7 --- [at-handler-2591] o.s.k.support.LoggingProducerListener : Exception thrown when sending a message with key='null' and payload='{"notifyRole":"user","internal":{"isHtml":fa...

Errors [2025-04-28 08:22:01,606] INFO [MetadataLoader id=100] initializeNewPublishers: the loader is still catching up because we still don't know the high water mark yet. (org.apache.kafka.image.loader.MetadataLoader) [2025-04-28 08:22:01,706] INFO [Metadata...

Errors HTTP 5022025/02/12 11:10:57 [crit] 27#27: *3710624 connect() to 10.1.114.15:8080 failed (99: Cannot assign requested address) while connecting to upstream, client: 10.244.71.211, server: foo, request: "POST /api/gateway/login/123 HTTP/1.1", upstream: "...

Disk Watermark flood stage disk watermark [95%] exceeded on ... Launch Params --storage.tsdb.retention.time=7d --storage.tsdb.retention.size=50GB --storage.tsdb.wal-compression WAL 目录不受 tsdb.retention.size 控制 WAL 目录会定期自动压缩到 block 重启会强制压缩 WAL 数据 --storage....

K8s 1.18.3 Can't install because the k8s version is too old. 0.50.0 Failed Chart: victoria-metrics-operator-0.39.1.tgz Image: 0.50.0 values.yaml: global.image.registry: “foo.example.com/prod” image.tag: “0.50.0” crds.enabled: false 0.35.0 Success Chart:...

Errors 422: error when executing query="sum(rate(container_cpu_usage_seconds_total{namespace=\"foo\",container!=\"POD\",container!=\"\",pod=~\"(agent-client-demo-54f8d....too long query; got 34101 bytes; mustn't exceed `-search.maxQueryLen=16384` bytes Conf...

Errors promscrape.maxScrapeSize is too small exceeds -promscrape.maxScrapeSize=16777216; either reduce the response size for the target or increase -promscrape.maxScrapeSize Configuration Update vmagent deployment, add --promscrape.maxScrapeSize: 128MB. spe...

Errors 时间：2025-03-28T07:29:53.959Z 等级：WARN 调用位置：VictoriaMetrics/lib/timeserieslimits/timeseries_limits.go:72 消息：忽略具有 41 个标签的时序数据。 原因：超出了 -maxLabelsPerTimeseries=40 的限制。 建议：减少该指标的标签数量，或提高命令行参数 -maxLabelsPerTimeseries 的值。 Source{"ts":"2025-03-28T07:29:53.959Z...

Errors Tabcannot create temp file for here-document: No space left on device docker exec -it f1ad998136ed /bin/bashfailed to create runc console socket: mkdir /tmp/pty359234715: no space left on device: unknown Solutions rm -rf /tmp/*

某些 ARM 机器的内存分页为 64K，会导致 C 语言编写的程序无法运行，因为一般编译的时候宿主机器的分页为 4K，可以使用下面的命令查看。 getconf PAGESIZE macOS 也是 4K

AWS NLB Troubleshooting Connections time out for requests from a target to its load balancer. Check whether client IP preservation is enabled on your target group. NAT loopback, also known as hairpinning, is not supported when client IP preservation is enabled...

背景 香蕉集群的 PV 持载 NFS 192.168.80.50 失败，报错。 Mounting arguments: -t nfs 192.168.80.50:/scan-download-custom-data-pvc /var/lib/kubelet/pods/45c7c6e4-d9de-4c3c-8e6e-41cc1d7ed036/volumes/kubernetes.io~nfs/pvc-minsheng-bank-scan-download-custom-data Output: mount: wro...

Invalid entry in /var/log/containers while fluent-bit pods start https://github.com/fluent/fluent-bit/issues/2676 Volume mount symlink should mount the link target too

Errors Events: Type Reason Age From Message ---- ------ ---- ---- ------- Warning Unhealthy 3m18s (x9121 over 25h) kubelet, instance-smuk9oo0-2 ...