Re: Request for feedback: cost-based optimizer

Daniel, thanks for the information, this is useful. On Wed, Sep 2, 2009 at 2:06 PM, Jianyong Daijiany...@yahoo-inc.com wrote: Yes, physical properties is important for an optimizer. To optimize Pig well, we need to know the underlying hadoop execution environment, such as # of map-reduce

[jira] Updated: (PIG-578) join ... outer, ... outer semantics are a no-ops, should produce corresponding null values

[ https://issues.apache.org/jira/browse/PIG-578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-578: --- Fix Version/s: 0.4.0 Assignee: Pradeep Kamath Status: Patch Available (was: Open)

[jira] Commented: (PIG-578) join ... outer, ... outer semantics are a no-ops, should produce corresponding null values

[ https://issues.apache.org/jira/browse/PIG-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12751136#action_12751136 ] Hadoop QA commented on PIG-578: --- -1 overall. Here are the results of testing the latest

[jira] Created: (PIG-944) Zebra schema is taken from Pig through TableStorer's construct

Zebra schema is taken from Pig through TableStorer's construct -- Key: PIG-944 URL: https://issues.apache.org/jira/browse/PIG-944 Project: Pig Issue Type: Bug Affects Versions:

[jira] Commented: (PIG-943) Pig crash when it cannot get counter from hadoop

[ https://issues.apache.org/jira/browse/PIG-943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12751210#action_12751210 ] Daniel Dai commented on PIG-943: Hi, Dmitriy, All this patch does is checking for nulls. The

[jira] Created: (PIG-945) [Zebra] Column Security feature for Zebra

[Zebra] Column Security feature for Zebra - Key: PIG-945 URL: https://issues.apache.org/jira/browse/PIG-945 Project: Pig Issue Type: New Feature Affects Versions: 0.4.0 Reporter:

[jira] Updated: (PIG-578) join ... outer, ... outer semantics are a no-ops, should produce corresponding null values

[ https://issues.apache.org/jira/browse/PIG-578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-578: --- Attachment: PIG-578-2.patch Addressed the javadoc warning and 4 of the findbugs. There will still be 1

[jira] Assigned: (PIG-918) [zebra] LOAD call will hang if only the first column group is queried

[ https://issues.apache.org/jira/browse/PIG-918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raghu Angadi reassigned PIG-918: Assignee: Yan Zhou [zebra] LOAD call will hang if only the first column group is queried

[jira] Commented: (PIG-578) join ... outer, ... outer semantics are a no-ops, should produce corresponding null values

[ https://issues.apache.org/jira/browse/PIG-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12751224#action_12751224 ] Pradeep Kamath commented on PIG-578: Correction to previous comment: At some point we

[jira] Commented: (PIG-578) join ... outer, ... outer semantics are a no-ops, should produce corresponding null values

[ https://issues.apache.org/jira/browse/PIG-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12751263#action_12751263 ] Hadoop QA commented on PIG-578: --- -1 overall. Here are the results of testing the latest