[jira] [Commented] (HADOOP-13057) Async IPC server support
[
https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15257619#comment-15257619
]
Siddharth Seth commented on HADOOP-13057:
-
It would - this is long pending. I don't think I'll be able to update the patch
for the next several weeks. If anyone want to take a shot meanwhile, feel free
to.
> Async IPC server support
>
>
> Key: HADOOP-13057
> URL: https://issues.apache.org/jira/browse/HADOOP-13057
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
>Affects Versions: 2.6.0
>Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many
> blocking I/O operations during processing of each call (e.g. calling another
> service, etc.). A viable solution is increasing number of handlers.
> But this faces the problem that large amount of threads will consume much
> memory (stack, etc.), and performance issues either.
> After HADOOP-12909, work on asynchronization has been done on caller-side.
> This is a similar proposal on server-side.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of
> immediate value. Then sends response to client in {{onSuccess}} or
> {{onFailed}} callbacks.
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[jira] [Commented] (HADOOP-13057) Async IPC server support
[
https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15255911#comment-15255911
]
He Tianyi commented on HADOOP-13057:
BTW, would be really appreciate to see further updates on HADOOP-11552.
> Async IPC server support
>
>
> Key: HADOOP-13057
> URL: https://issues.apache.org/jira/browse/HADOOP-13057
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
>Affects Versions: 2.6.0
>Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many
> blocking I/O operations during processing of each call (e.g. calling another
> service, etc.). A viable solution is increasing number of handlers.
> But this faces the problem that large amount of threads will consume much
> memory (stack, etc.), and performance issues either.
> After HADOOP-12909, work on asynchronization has been done on caller-side.
> This is a similar proposal on server-side.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of
> immediate value. Then sends response to client in {{onSuccess}} or
> {{onFailed}} callbacks.
--
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[jira] [Commented] (HADOOP-13057) Async IPC server support
[
https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15255907#comment-15255907
]
He Tianyi commented on HADOOP-13057:
Thanks, [~sseth].
Marked as duplicate.
> Async IPC server support
>
>
> Key: HADOOP-13057
> URL: https://issues.apache.org/jira/browse/HADOOP-13057
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
>Affects Versions: 2.6.0
>Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many
> blocking I/O operations during processing of each call (e.g. calling another
> service, etc.). A viable solution is increasing number of handlers.
> But this faces the problem that large amount of threads will consume much
> memory (stack, etc.), and performance issues either.
> After HADOOP-12909, work on asynchronization has been done on caller-side.
> This is a similar proposal on server-side.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of
> immediate value. Then sends response to client in {{onSuccess}} or
> {{onFailed}} callbacks.
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[jira] [Commented] (HADOOP-13057) Async IPC server support
[
https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15255896#comment-15255896
]
Siddharth Seth commented on HADOOP-13057:
-
HADOOP-11552 targets the same.
> Async IPC server support
>
>
> Key: HADOOP-13057
> URL: https://issues.apache.org/jira/browse/HADOOP-13057
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
>Affects Versions: 2.6.0
>Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many
> blocking I/O operations during processing of each call (e.g. calling another
> service, etc.). A viable solution is increasing number of handlers.
> But this faces the problem that large amount of threads will consume much
> memory (stack, etc.), and performance issues either.
> After HADOOP-12909, work on asynchronization has been done on caller-side.
> This is a similar proposal on server-side.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of
> immediate value. Then sends response to client in {{onSuccess}} or
> {{onFailed}} callbacks.
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[jira] [Commented] (HADOOP-13057) Async IPC server support
[
https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15255868#comment-15255868
]
He Tianyi commented on HADOOP-13057:
Sure, added links and description.
> Async IPC server support
>
>
> Key: HADOOP-13057
> URL: https://issues.apache.org/jira/browse/HADOOP-13057
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
>Affects Versions: 2.6.0
>Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many
> blocking I/O operations during processing of each call (e.g. calling another
> service, etc.). A viable solution is increasing number of handlers.
> But this faces the problem that large amount of threads will consume much
> memory (stack, etc.), and performance issues either.
> After HADOOP-12909, work on asynchronization has been done on caller-side.
> This is a similar proposal on server-side.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of
> immediate value. Then sends response to client in {{onSuccess}} or
> {{onFailed}} callbacks.
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[jira] [Commented] (HADOOP-13057) Async IPC server support
[
https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15255864#comment-15255864
]
Mingliang Liu commented on HADOOP-13057:
Can you refer to [HDFS-9924] and [ HADOOP-12909] and describe the difference
from here? Thanks.
> Async IPC server support
>
>
> Key: HADOOP-13057
> URL: https://issues.apache.org/jira/browse/HADOOP-13057
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
>Affects Versions: 2.6.0
>Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many
> blocking I/O operations during processing of each call (e.g. calling another
> service, etc.). A viable solution is increasing number of handlers.
> But this faces the problem that large amount of threads will consume much
> memory (stack, etc.), and performance issues either.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of
> immediate value. Then sends response to client in {{onSuccess}} or
> {{onFailed}} callbacks.
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