[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-15039:
---
Fix Version/s: (was: 3.4.0)
3.3.0
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Fix For: 3.3.0
>
> Attachments: HDFS-15039.006.patch, HDFS-15039.patch,
> HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-15039:
---
Fix Version/s: 3.4.0
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Fix For: 3.4.0
>
> Attachments: HDFS-15039.006.patch, HDFS-15039.patch,
> HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.006.patch, HDFS-15039.patch,
> HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-15039:
---
Attachment: HDFS-15039.006.patch
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.006.patch, HDFS-15039.patch,
> HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Attachment: HDFS-15039.patch
Status: Patch Available (was: Open)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch,
> HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Status: Open (was: Patch Available)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch,
> HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Attachment: HDFS-15039.patch
Status: Patch Available (was: Open)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch,
> HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Status: Open (was: Patch Available)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Attachment: HDFS-15039.patch
Status: Patch Available (was: Open)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch, HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Attachment: HDFS-15039.patch
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch, HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Status: Open (was: Patch Available)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
--
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[jira] [Updated] (HDFS-15039) Cache meta file length of FinalizedReplica to reduce call File.length()
[
https://issues.apache.org/jira/browse/HDFS-15039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Yun updated HDFS-15039:
Attachment: HDFS-15039.patch
Status: Patch Available (was: Open)
> Cache meta file length of FinalizedReplica to reduce call File.length()
> ---
>
> Key: HDFS-15039
> URL: https://issues.apache.org/jira/browse/HDFS-15039
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
>Reporter: Yang Yun
>Assignee: Yang Yun
>Priority: Minor
> Attachments: HDFS-15039.patch
>
>
> When use ReplicaCachingGetSpaceUsed to get the volume space used. It will
> call File.length() for every meta file of replica. That add more disk IO, we
> found the slow log as below. For finalized replica, the size of meta file is
> not changed, i think we can cache the value.
> {code:java}
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ReplicaCachingGetSpaceUsed:
> Refresh dfs used, bpid: BP-898717543-10.75.1.240-1519386995727 replicas
> size: 1166 dfsUsed: 72227113183 on volume:
> DS-3add8d62-d69a-4f5a-a29f-b7bbb400af2e duration: 17206ms{code}
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