[jira] [Updated] (HBASE-5998) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request
[ https://issues.apache.org/jira/browse/HBASE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] rajeshbabu updated HBASE-5998: -- Attachment: HBASE-5998_94.patch Patch for 94. Please review and provide comments/suggestions. Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request -- Key: HBASE-5998 URL: https://issues.apache.org/jira/browse/HBASE-5998 Project: HBase Issue Type: Improvement Components: regionserver Affects Versions: 0.96.0 Reporter: nkeywal Assignee: nkeywal Priority: Minor Fix For: 0.96.0 Attachments: 5998.v2.patch, 5998.v3.patch, HBASE-5998_94.patch During the assignment, on the regionserver, before creating the handlers we load the table description. Even if there is a cache, we check the timestamps for each region, while it's not necessary. The test below is just with one node, with more nodes the benefit will improve. By limiting the time spent in HRegion#openRegion we increase the parallelization during cluster startup, as the master is using a pool of threads to call the RS. -- Without the fix 2012-05-14 11:40:52,501 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:41:09,947 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988444043 -- With the fix 2012-05-14 11:34:40,444 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:34:40,929 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988065948 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HBASE-5998) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request
[ https://issues.apache.org/jira/browse/HBASE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] nkeywal updated HBASE-5998: --- Resolution: Fixed Status: Resolved (was: Patch Available) depiste the failure mentionned by jenkins, the patch is visible in the source code. Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request -- Key: HBASE-5998 URL: https://issues.apache.org/jira/browse/HBASE-5998 Project: HBase Issue Type: Improvement Components: regionserver Affects Versions: 0.96.0 Reporter: nkeywal Assignee: nkeywal Priority: Minor Fix For: 0.96.0 Attachments: 5998.v2.patch, 5998.v3.patch During the assignment, on the regionserver, before creating the handlers we load the table description. Even if there is a cache, we check the timestamps for each region, while it's not necessary. The test below is just with one node, with more nodes the benefit will improve. By limiting the time spent in HRegion#openRegion we increase the parallelization during cluster startup, as the master is using a pool of threads to call the RS. -- Without the fix 2012-05-14 11:40:52,501 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:41:09,947 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988444043 -- With the fix 2012-05-14 11:34:40,444 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:34:40,929 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988065948 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HBASE-5998) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request
[ https://issues.apache.org/jira/browse/HBASE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] nkeywal updated HBASE-5998: --- Attachment: 5998.v2.patch Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request -- Key: HBASE-5998 URL: https://issues.apache.org/jira/browse/HBASE-5998 Project: HBase Issue Type: Improvement Components: regionserver Affects Versions: 0.96.0 Reporter: nkeywal Assignee: nkeywal Priority: Minor Attachments: 5998.v2.patch During the assignment, on the regionserver, before creating the handlers we load the table description. Even if there is a cache, we check the timestamps for each region, while it's not necessary. The test below is just with one node, with more nodes the benefit will improve. By limiting the time spent in HRegion#openRegion we increase the parallelization during cluster startup, as the master is using a pool of threads to call the RS. -- Without the fix 2012-05-14 11:40:52,501 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:41:09,947 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988444043 -- With the fix 2012-05-14 11:34:40,444 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:34:40,929 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988065948 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HBASE-5998) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request
[ https://issues.apache.org/jira/browse/HBASE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] nkeywal updated HBASE-5998: --- Fix Version/s: 0.96.0 Status: Patch Available (was: Open) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request -- Key: HBASE-5998 URL: https://issues.apache.org/jira/browse/HBASE-5998 Project: HBase Issue Type: Improvement Components: regionserver Affects Versions: 0.96.0 Reporter: nkeywal Assignee: nkeywal Priority: Minor Fix For: 0.96.0 Attachments: 5998.v2.patch During the assignment, on the regionserver, before creating the handlers we load the table description. Even if there is a cache, we check the timestamps for each region, while it's not necessary. The test below is just with one node, with more nodes the benefit will improve. By limiting the time spent in HRegion#openRegion we increase the parallelization during cluster startup, as the master is using a pool of threads to call the RS. -- Without the fix 2012-05-14 11:40:52,501 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:41:09,947 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988444043 -- With the fix 2012-05-14 11:34:40,444 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:34:40,929 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988065948 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HBASE-5998) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request
[ https://issues.apache.org/jira/browse/HBASE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] nkeywal updated HBASE-5998: --- Status: Patch Available (was: Open) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request -- Key: HBASE-5998 URL: https://issues.apache.org/jira/browse/HBASE-5998 Project: HBase Issue Type: Improvement Components: regionserver Affects Versions: 0.96.0 Reporter: nkeywal Assignee: nkeywal Priority: Minor Fix For: 0.96.0 Attachments: 5998.v2.patch, 5998.v3.patch During the assignment, on the regionserver, before creating the handlers we load the table description. Even if there is a cache, we check the timestamps for each region, while it's not necessary. The test below is just with one node, with more nodes the benefit will improve. By limiting the time spent in HRegion#openRegion we increase the parallelization during cluster startup, as the master is using a pool of threads to call the RS. -- Without the fix 2012-05-14 11:40:52,501 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:41:09,947 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988444043 -- With the fix 2012-05-14 11:34:40,444 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:34:40,929 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988065948 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HBASE-5998) Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request
[ https://issues.apache.org/jira/browse/HBASE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] nkeywal updated HBASE-5998: --- Attachment: 5998.v3.patch Bulk assignment: regionserver optimization by using a temporary cache for table descriptors when receveing an open regions request -- Key: HBASE-5998 URL: https://issues.apache.org/jira/browse/HBASE-5998 Project: HBase Issue Type: Improvement Components: regionserver Affects Versions: 0.96.0 Reporter: nkeywal Assignee: nkeywal Priority: Minor Fix For: 0.96.0 Attachments: 5998.v2.patch, 5998.v3.patch During the assignment, on the regionserver, before creating the handlers we load the table description. Even if there is a cache, we check the timestamps for each region, while it's not necessary. The test below is just with one node, with more nodes the benefit will improve. By limiting the time spent in HRegion#openRegion we increase the parallelization during cluster startup, as the master is using a pool of threads to call the RS. -- Without the fix 2012-05-14 11:40:52,501 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:41:09,947 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988444043 -- With the fix 2012-05-14 11:34:40,444 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1193 region(s) to localhost,11003,1336988444043 2012-05-14 11:34:40,929 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning done for localhost,11003,1336988065948 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
