[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Guanghao Zhang updated HBASE-19164:
---
Fix Version/s: (was: 2.2.0)
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Fix For: 3.0.0, 2.1.0
>
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch, HBASE-19164.master.005.patch,
> HBASE-19164.master.006.patch, HBASE-19164.master.007.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Guanghao Zhang updated HBASE-19164:
---
Fix Version/s: 2.2.0
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Fix For: 3.0.0, 2.1.0, 2.2.0
>
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch, HBASE-19164.master.005.patch,
> HBASE-19164.master.006.patch, HBASE-19164.master.007.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mike Drob updated HBASE-19164:
--
Resolution: Fixed
Fix Version/s: 2.1.0
3.0.0
Status: Resolved (was: Patch Available)
Pushed to branch-2.1+ (fyi [~Apache9])
Thanks for the patch [~awked06]!
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Fix For: 3.0.0, 2.1.0
>
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch, HBASE-19164.master.005.patch,
> HBASE-19164.master.006.patch, HBASE-19164.master.007.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.007.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch, HBASE-19164.master.005.patch,
> HBASE-19164.master.006.patch, HBASE-19164.master.007.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.006.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch, HBASE-19164.master.005.patch,
> HBASE-19164.master.006.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.005.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch, HBASE-19164.master.005.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.004.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
>Priority: Major
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch,
> HBASE-19164.master.004.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Status: Open (was: Patch Available)
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Status: Patch Available (was: Open)
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.003.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch, HBASE-19164.master.003.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.002.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
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[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Status: Patch Available (was: Open)
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch,
> HBASE-19164.master.002.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sahil Aggarwal updated HBASE-19164:
---
Attachment: HBASE-19164.master.001.patch
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Assignee: Sahil Aggarwal
> Labels: beginner
> Attachments: HBASE-19164.master.001.patch
>
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
[jira] [Updated] (HBASE-19164) Avoid UUID.randomUUID in tests
[
https://issues.apache.org/jira/browse/HBASE-19164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sean Busbey updated HBASE-19164:
Issue Type: Improvement (was: Bug)
> Avoid UUID.randomUUID in tests
> --
>
> Key: HBASE-19164
> URL: https://issues.apache.org/jira/browse/HBASE-19164
> Project: HBase
> Issue Type: Improvement
> Components: test
>Reporter: Mike Drob
>Priority: Major
> Labels: beginner
>
> We have a lot of places in our test code where we use {{UUID.randomUUID}} to
> generate table names or paths for uniqueness. Unfortunately, this uses up a
> good chunk of system entropy, since Sun chose that random UUID's should use
> the NativePRNGBlocking implementation.
> We don't need to block on entropy for random bits to pick a random table name
> in a test, so we can use something that doesn't strain the system too much -
> secure random can be a source of problems on some VM or containers.
--
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(v6.4.14#64029)
