[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Attachment: HDFS-13984.003.patch
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch, HDFS-13984.002.patch,
> HDFS-13984.003.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*.
> *FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Attachment: HDFS-13984.002.patch
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch, HDFS-13984.002.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*.
> *FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Attachment: (was: HDFS-13984.002.patch)
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch, HDFS-13984.002.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*.
> *FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
--
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Attachment: HDFS-13984.002.patch
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch, HDFS-13984.002.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*.
> *FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
--
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Description:
getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
*FileSystem#getFileStatus*. *FileSystem#exists* also call
*FileSystem#getFileStatus*, just as follows:
{code:java}
public boolean exists(Path f) throws IOException {
try {
return getFileStatus(f) != null;
} catch (FileNotFoundException e) {
return false;
}
}
{code}
and finally this leads to call NameNodeRpcServer#getFileInfo twice.
Actually we can implement by calling once.
was:
getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
*FileSystem#getFileStatus*. *FileSystem#exists* also call
*FileSystem#getFileStatus, just as follows:
{code:java}
public boolean exists(Path f) throws IOException {
try {
return getFileStatus(f) != null;
} catch (FileNotFoundException e) {
return false;
}
}
{code}
and finally this leads to call NameNodeRpcServer#getFileInfo twice.
Actually we can implement by calling once.
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*. *FileSystem#exists* also call
> *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
--
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Description:
getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
*FileSystem#getFileStatus*.
*FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
{code:java}
public boolean exists(Path f) throws IOException {
try {
return getFileStatus(f) != null;
} catch (FileNotFoundException e) {
return false;
}
}
{code}
and finally this leads to call NameNodeRpcServer#getFileInfo twice.
Actually we can implement by calling once.
was:
getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
*FileSystem#getFileStatus*. *FileSystem#exists* also call
*FileSystem#getFileStatus*, just as follows:
{code:java}
public boolean exists(Path f) throws IOException {
try {
return getFileStatus(f) != null;
} catch (FileNotFoundException e) {
return false;
}
}
{code}
and finally this leads to call NameNodeRpcServer#getFileInfo twice.
Actually we can implement by calling once.
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*.
> *FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
--
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Status: Patch Available (was: Open)
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*. *FileSystem#exists* also call
> *FileSystem#getFileStatus, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
--
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[jira] [Updated] (HDFS-13984) getFileInfo of libhdfs call NameNode#getFileStatus twice
[
https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiandan Yang updated HDFS-13984:
-
Attachment: HDFS-13984.001.patch
> getFileInfo of libhdfs call NameNode#getFileStatus twice
>
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
>Reporter: Jiandan Yang
>Assignee: Jiandan Yang
>Priority: Major
> Attachments: HDFS-13984.001.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*. *FileSystem#exists* also call
> *FileSystem#getFileStatus, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
--
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