[jira] [Assigned] (HIVE-20801) ACID: Allow DbTxnManager to ignore non-ACID table locking
[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Denys Kuzmenko reassigned HIVE-20801: - Assignee: Gopal Vijayaraghavan (was: Denys Kuzmenko) > ACID: Allow DbTxnManager to ignore non-ACID table locking > - > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions >Affects Versions: 4.0.0 >Reporter: Gopal Vijayaraghavan >Assignee: Gopal Vijayaraghavan >Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.patch, HIVE-20801.3.patch, HIVE-20801.4.patch > > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Assigned] (HIVE-20801) ACID: Allow DbTxnManager to ignore non-ACID table locking
[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Denys Kuzmenko reassigned HIVE-20801: - Assignee: Denys Kuzmenko (was: Gopal Vijayaraghavan) > ACID: Allow DbTxnManager to ignore non-ACID table locking > - > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions >Affects Versions: 4.0.0 >Reporter: Gopal Vijayaraghavan >Assignee: Denys Kuzmenko >Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.patch, HIVE-20801.3.patch, HIVE-20801.4.patch > > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Assigned] (HIVE-20801) ACID: Allow DbTxnManager to ignore non-ACID table locking
[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gopal Vijayaraghavan reassigned HIVE-20801: --- Assignee: Gopal Vijayaraghavan (was: Gopal V) > ACID: Allow DbTxnManager to ignore non-ACID table locking > - > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions >Affects Versions: 4.0.0 >Reporter: Gopal Vijayaraghavan >Assignee: Gopal Vijayaraghavan >Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.patch, HIVE-20801.3.patch > > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Assigned] (HIVE-20801) ACID: Allow DbTxnManager to ignore non-ACID table locking
[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Laszlo Bodor reassigned HIVE-20801: --- Assignee: Gopal V (was: Laszlo Bodor) > ACID: Allow DbTxnManager to ignore non-ACID table locking > - > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions >Affects Versions: 4.0.0 >Reporter: Gopal V >Assignee: Gopal V >Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.patch, HIVE-20801.3.patch > > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian JIRA (v7.6.14#76016)
[jira] [Assigned] (HIVE-20801) ACID: Allow DbTxnManager to ignore non-ACID table locking
[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Laszlo Bodor reassigned HIVE-20801: --- Assignee: Laszlo Bodor (was: Gopal V) > ACID: Allow DbTxnManager to ignore non-ACID table locking > - > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions >Affects Versions: 4.0.0 >Reporter: Gopal V >Assignee: Laszlo Bodor >Priority: Major > Labels: Branch3Candidate, TODOC > Attachments: HIVE-20801.1.patch, HIVE-20801.2.patch, > HIVE-20801.2.patch, HIVE-20801.3.patch, HIVE-20801.3.patch > > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian JIRA (v7.6.14#76016)
[jira] [Assigned] (HIVE-20801) ACID: Allow DbTxnManager to ignore non-ACID table locking
[ https://issues.apache.org/jira/browse/HIVE-20801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gopal V reassigned HIVE-20801: -- Assignee: Gopal V > ACID: Allow DbTxnManager to ignore non-ACID table locking > - > > Key: HIVE-20801 > URL: https://issues.apache.org/jira/browse/HIVE-20801 > Project: Hive > Issue Type: Bug > Components: Locking, Transactions >Affects Versions: 4.0.0 >Reporter: Gopal V >Assignee: Gopal V >Priority: Major > Labels: Branch3Candidate > > Enabling ACIDv1 on a cluster produces a central locking bottleneck for all > table types, which is not always the intention. > The Hive locking for non-acid tables are advisory (i.e a client can > write/read without locking), which means that the implementation does not > offer strong consistency despite the lock manager consuming resources > centrally. > Disabling this lock acquisition would improve the performance of non-ACID > tables co-existing with a globally configured DbTxnManager implementation. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
