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https://issues.apache.org/jira/browse/HDDS-12645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17937040#comment-17937040
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Attila Doroszlai commented on HDDS-12645:
-----------------------------------------
"volume/bucket/key" in the description is intended to represent the path to an
actual key, not three different kind of items. I guess all of these could be
improved to clarify that (e.g. by removing the prefix part, and keeping only
"URI of the key" etc.):
{code}
hadoop-ozone/cli-shell/src/main/java/org/apache/hadoop/ozone/shell/bucket/BucketUri.java
31: "URI of the volume/bucket.\n" + Shell.OZONE_URI_DESCRIPTION;
hadoop-ozone/cli-shell/src/main/java/org/apache/hadoop/ozone/shell/common/VolumeBucketUri.java
32: "URI of the volume or bucket.\n" + Shell.OZONE_URI_DESCRIPTION;
hadoop-ozone/cli-shell/src/main/java/org/apache/hadoop/ozone/shell/keys/KeyUri.java
31: "URI of the volume/bucket/key.\n" + Shell.OZONE_URI_DESCRIPTION;
hadoop-ozone/cli-shell/src/main/java/org/apache/hadoop/ozone/shell/prefix/PrefixUri.java
31: "URI of the volume/bucket/prefix.\n" + Shell.OZONE_URI_DESCRIPTION;
hadoop-ozone/cli-shell/src/main/java/org/apache/hadoop/ozone/shell/snapshot/SnapshotUri.java
30: "URI of the volume/bucket/snapshot.\n" + Shell.OZONE_URI_DESCRIPTION;
{code}
> Improve output of `ozone debug replicas chunk-info`
> ---------------------------------------------------
>
> Key: HDDS-12645
> URL: https://issues.apache.org/jira/browse/HDDS-12645
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Ethan Rose
> Assignee: Sarveksha Yeshavantha Raju
> Priority: Major
>
> Current output of {{ozone debug chunk-info}} looks like this:
> {code}
> $ ozone debug replicas chunk-info /vol/bucket/HISTORY.md
>
>
> {
>
>
> "KeyLocations" : [ [ {
>
>
> "Locations" : {
>
>
> "files" : [
> "/data/hdds/hdds/CID-f16eb9db-90cb-4764-8a2a-dff0a0243bd7/current/containerDir0/1/chunks/115816896921600001.block"
> ],
> "pipelineID" : "24fc450c-dc54-4a1c-a9e0-07d7fd86fa7e"
>
>
> },
>
>
> "Datanode-HostName" : "ha-dn2-1.ha_net",
>
>
> "Datanode-IP" : "10.9.0.18",
>
>
> "Container-ID" : 1,
>
>
> "Block-ID" : 115816896921600001
>
>
> }, {
>
>
> "Locations" : {
>
>
> "files" : [
> "/data/hdds/hdds/CID-f16eb9db-90cb-4764-8a2a-dff0a0243bd7/current/containerDir0/1/chunks/115816896921600001.block"
> ],
> "pipelineID" : "24fc450c-dc54-4a1c-a9e0-07d7fd86fa7e"
>
>
> },
>
>
> "Datanode-HostName" : "ha-dn5-1.ha_net",
>
>
> "Datanode-IP" : "10.9.0.21",
>
>
> "Container-ID" : 1,
>
>
> "Block-ID" : 115816896921600001
>
>
> }, {
>
>
> "Locations" : {
>
>
> "files" : [
> "/data/hdds/hdds/CID-f16eb9db-90cb-4764-8a2a-dff0a0243bd7/current/containerDir0/1/chunks/115816896921600001.block"
> ],
> "pipelineID" : "24fc450c-dc54-4a1c-a9e0-07d7fd86fa7e"
>
>
> },
>
>
> "Datanode-HostName" : "ha-dn3-1.ha_net",
>
>
> "Datanode-IP" : "10.9.0.19",
>
>
> "Container-ID" : 1,
>
>
> "Block-ID" : 115816896921600001
>
>
> } ] ]
>
>
> }
> {code}
> This doesn't actually show any information about the chunks. We can make this
> command dump the {{BlockData}} retrieved from the {{getBlock}} call with some
> additional details about the replica, and clean up the json structure.
> The command only works for single key, which is probably fine given that we
> plan to have fairly verbose output, but the help message needs to be fixed
> because it says that the URI says that volumes and buckets are also valid,
> and directory handling is unspecified.
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