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milvus/deployments/export-log/README.md
yellow-shine 241c71fdde
enhance: use docker compose instead of docker-compose (#35208) 
https://github.com/milvus-io/milvus/issues/35209

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Signed-off-by: Yellow Shine <sammy.huang@zilliz.com>
2024-08-02 19:32:32 +08:00

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README

Overview

For better tracking and debugging Milvus, the script export-milvus-log.sh is provided for exporting all Milvus logs at once. For those pods that have been restarted, this script can export the logs of the running pods and the logs of the previously pods.

Note: This script only works with Milvus installed on k8s cluster.

For milvus installed with helm-chart, if log.persistence.enabled is set to true (default false), the tool cannot be used to export milvus logs and the log files can be found directly under the path specified by log.persistence.mountPath.

For Milvus installed with docker-compose, you can use docker compose logs > milvus.log to export the logs.

Parameter Description

Parameters Description Default
i Specify the milvus instance name None
n Specify the namespace that milvus is installed in default
d Specify the log storage dir ./milvus-log
e Export etcd logs false
m Export Minio logs false
p Export pulsar logs false
k Export Kafka logs false
s Only return logs newer than a relative duration like 5s, 2m,or 3h. Defaults to all logs all
o If milvus installed by milvus-operator false

By default, the script only exports the logs of the Milvus component.

If you need to export the logs of etcd, minio, and pulsar components, you need to add the parameters -e, -m, -p.

Usage

  1. Milvus instance name is required to be specified If Milvus installed by helm, export logs by followings:
./export-milvus-log.sh -i my-release

If Milvus installed by Milvus operator, flag -o is required to export the logs:

./export-milvus-log.sh -i my-release -o

This command will generate a directory named milvus-log in the current directory. For a pod that have not been restarted, the command will generate a log named ${podname}.log for the pod and store it in milvus-log. For a pod that has been restarted, this command will generate a log named ${podname}.log and a log ${podname}-pre.log for the pod.

  1. If your milvus is not installed in the k8s default namespace, please specify namespace with -n. You can also customize the log storage path with -d.
./export-milvus-log.sh -i my-release -n milvus -d ./logs
  1. Export the logs of milvus, etcd, minio, and pulsar components.
./export-milvus-log.sh -i my-release -n milvus -d ./logs -e -m -p
  1. Export the logs of milvus and Kafka components.
./export-milvus-log.sh -i my-release -n milvus -d ./logs -k
  1. Export the logs for only latest 24h.
./export-milvus-log.sh -i my-release -s 24h