{"push_id":2894217328,"size":3,"distinct_size":3,"ref":"refs/heads/DML_gather","head":"e218651290dc4f6e835067c68aaf508608ce5463","before":"6bfd467a0601a6df37b45865110c9de6fcc5a802","commits":[{"sha":"056edf479f0891f16854eb200428d95928bf71c5","author":{"name":"Sambitesh Dash","email":"0c774551a12bd2c108d5895626002000c1bb7d82@pivotal.io"},"message":"Introduce optimizer_enable_gather_on_segment_for_DML GUC\n\nWhen ON, ORCA will optimize DML queries by enforcing a non-master gather\nwhenever possible. When off, a gather on master will be enforced\ninstead.\n\nDefault value will be ON.\n\nAlso add new tests to ensure sane behavior when this optimization is\nturned on and fix the existing tests.\n\nSigned-off-by: Sambitesh Dash <sdash@pivotal.io>\nSigned-off-by: Dhanashree Kashid <dkashid@pivotal.io>","distinct":true,"url":"https://api.github.com/repos/dhanashreek89/gpdb/commits/056edf479f0891f16854eb200428d95928bf71c5"},{"sha":"61a39954cfa15a8e4ae634f34fcba8f1bb352d9b","author":{"name":"Sambitesh Dash","email":"0c774551a12bd2c108d5895626002000c1bb7d82@pivotal.io"},"message":"Randomize output segment for non-master gather motion\n\nVia https://github.com/greenplum-db/gporca/pull/400, ORCA will optimize\nDML queries by enforcing a gather on segment instead of master, whenever\npossible.\n\nPrevious to this commit, ORCA always picked the first segment to gather\non while translating the DXL-GatherMotion node to GPDB motion node.\n\nThis commit uses GPDB's hash function to select the segment to gather\non, in a round-robin fashion starting with a random segment index. This\nwill ensure that concurrent DML queries issued via a same session, will\nbe gathered on different segments to distribute the workload.\n\nSigned-off-by: Dhanashree Kashid <dkashid@pivotal.io>","distinct":true,"url":"https://api.github.com/repos/dhanashreek89/gpdb/commits/61a39954cfa15a8e4ae634f34fcba8f1bb352d9b"},{"sha":"e218651290dc4f6e835067c68aaf508608ce5463","author":{"name":"Sambitesh Dash","email":"0c774551a12bd2c108d5895626002000c1bb7d82@pivotal.io"},"message":"Bump ORCA version to 3.0.0\n\nSigned-off-by: Dhanashree Kashid <dkashid@pivotal.io>","distinct":true,"url":"https://api.github.com/repos/dhanashreek89/gpdb/commits/e218651290dc4f6e835067c68aaf508608ce5463"}]}
{"actor":{"display_login":"bhuvnesh2703"}}