[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Alex Sorokoumov updated CASSANDRA-15215: Source Control Link: [35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02|https://github.com/apache/cassandra/commit/35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02], [5cd012736e4680bbb25928ee7fbcea4859878fff|https://github.com/apache/cassandra/commit/5cd012736e4680bbb25928ee7fbcea4859878fff] (was: [35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02|https://github.com/apache/cassandra/commit/35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02],) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Alex Sorokoumov >Priority: Normal > Fix For: 4.1-alpha1, 4.1 > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 1h 20m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Alex Sorokoumov updated CASSANDRA-15215: Source Control Link: [35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02|https://github.com/apache/cassandra/commit/35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02], (was: [35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02|https://github.com/apache/cassandra/commit/35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02]) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Alex Sorokoumov >Priority: Normal > Fix For: 4.1-alpha1, 4.1 > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 1h 20m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benedict Elliott Smith updated CASSANDRA-15215: --- Fix Version/s: 4.1 (was: 3.0.x) (was: 4.x) (was: 3.11.x) Since Version: 4.1 Source Control Link: [35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02|https://github.com/apache/cassandra/commit/35dbcc2c2dbe1c826fd6ecd6e8357f0f5a9bab02] Resolution: Fixed Status: Resolved (was: Ready to Commit) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 4.1 > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benedict Elliott Smith updated CASSANDRA-15215: --- Status: Ready to Commit (was: Review In Progress) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benedict Elliott Smith updated CASSANDRA-15215: --- Reviewers: Benedict Elliott Smith, Branimir Lambov, Benedict Elliott Smith (was: Benedict Elliott Smith, Branimir Lambov) Benedict Elliott Smith, Branimir Lambov, Benedict Elliott Smith (was: Benedict Elliott Smith, Branimir Lambov) Status: Review In Progress (was: Patch Available) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aleksandr Sorokoumov updated CASSANDRA-15215: - Reviewers: Benedict Elliott Smith, Branimir Lambov (was: Benedict Elliott Smith) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Josh McKenzie updated CASSANDRA-15215: -- Reviewers: Benedict Elliott Smith > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aleksandr Sorokoumov updated CASSANDRA-15215: - Test and Documentation Plan: Added unit tests for new methods and benchmarks to show performance improvements. Status: Patch Available (was: In Progress) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aleksandr Sorokoumov updated CASSANDRA-15215: - Attachment: testWriteRandomLongDOP_final.png > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: testWriteRandomLongDOP_final.png, > writeUnsignedVInt_megamorphic_BB.png, writeUnsignedVInt_megamorphic_DOP.png > > Time Spent: 40m > Remaining Estimate: 0h > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aleksandr Sorokoumov updated CASSANDRA-15215: - Attachment: writeUnsignedVInt_megamorphic_BB.png writeUnsignedVInt_megamorphic_DOP.png > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Assignee: Aleksandr Sorokoumov >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > Attachments: writeUnsignedVInt_megamorphic_BB.png, > writeUnsignedVInt_megamorphic_DOP.png > > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Michael Shuler updated CASSANDRA-15215: --- Fix Version/s: (was: 4.0.x) 4.x > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict Elliott Smith >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.x > > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benedict updated CASSANDRA-15215: - Fix Version/s: 3.0.x > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict >Priority: Normal > Fix For: 3.0.x > > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benedict updated CASSANDRA-15215: - Severity: Normal Complexity: Normal Discovered By: Code Inspection Bug Category: Parent values: Degradation(12984)Level 1 values: Performance Bug/Regression(12997) Status: Open (was: Triage Needed) > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict >Priority: Normal > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-15215) VIntCoding should read and write more efficiently
[ https://issues.apache.org/jira/browse/CASSANDRA-15215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benedict updated CASSANDRA-15215: - Fix Version/s: 4.0.x 3.11.x > VIntCoding should read and write more efficiently > - > > Key: CASSANDRA-15215 > URL: https://issues.apache.org/jira/browse/CASSANDRA-15215 > Project: Cassandra > Issue Type: Bug > Components: Local/Compaction, Local/SSTable >Reporter: Benedict >Priority: Normal > Fix For: 3.0.x, 3.11.x, 4.0.x > > > Most vints occupy significantly fewer than 8 bytes, and most buffers have >= > 8 bytes spare, in which case we can construct the relevant bytes in a > register and memcpy them to the correct position. Since we read and write a > lot of vints, this waste is probably measurable, particularly during > compaction and flush, and can probably be considered a performance bug. -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
