Processing Skew 924 Avoiding an Extreme Skew Warning 924 Checking for and Terminating Overflowed Backends 925 Steps 925 Viewing Metadata Information about Database Objects 926 Viewing the Last Operation system view and supporting administration functions report memory contexts and usage for arbitrary backends. See Viewing and Logging Per- Process Memory Usage Information for more information. Greenplum Checking Disk Space Usage Checking for Data Distribution Skew Checking for and Terminating Overflowed Backends Viewing Metadata Information about Database Objects Viewing Session Memory Usage Information

Processing Skew 1144 Avoiding an Extreme Skew Warning 1144 Checking for and Terminating Overflowed Backends 1145 Logging Statements that Cause Overflowed Subtransactions 1146 Viewing Metadata Information backend process latch during the backend initialization with backend teardown, which could cause backends to fail with latch already owned by pid. N/A Resolves CVE-2023-5869: Buffer overrun from integer backend process latch during the backend initialization with backend teardown, which could cause backends to fail with latch already owned by pid. 371708 Resolves an issue with a race condition between

Processing Skew 1127 Avoiding an Extreme Skew Warning 1128 Checking for and Terminating Overflowed Backends 1128 Logging Statements that Cause Overflowed Subtransactions 1129 Viewing Metadata Information to help users query for suboverflowed backends. Users can use segment id and process id information reported in the view to terminate the offending backends, thereby preventing degradation of performance Checking Disk Space Usage Checking for Data Distribution Skew Checking for and Terminating Overflowed Backends Viewing Metadata Information about Database Objects Viewing Session Memory Usage Information

Processing Skew 1093 Avoiding an Extreme Skew Warning 1094 Checking for and Terminating Overflowed Backends 1094 Logging Statements that Cause Overflowed Subtransactions 1095 Viewing Metadata Information to help users query for suboverflowed backends. Users can use segment id and process id information reported in the view to terminate the offending backends, thereby preventing degradation of performance Checking Disk Space Usage Checking for Data Distribution Skew Checking for and Terminating Overflowed Backends Viewing Metadata Information about Database Objects Viewing Session Memory Usage Information

Processing Skew 1089 Avoiding an Extreme Skew Warning 1089 Checking for and Terminating Overflowed Backends 1090 Logging Statements that Cause Overflowed Subtransactions 1091 Viewing Metadata Information to help users query for suboverflowed backends. Users can use segment id and process id information reported in the view to terminate the offending backends, thereby preventing degradation of performance Checking Disk Space Usage Checking for Data Distribution Skew Checking for and Terminating Overflowed Backends VMware Tanzu Greenplum 6 Documentation VMware, Inc. 1085 Viewing Metadata Information about Database

Processing Skew 1112 Avoiding an Extreme Skew Warning 1112 Checking for and Terminating Overflowed Backends 1113 Logging Statements that Cause Overflowed Subtransactions 1114 Viewing Metadata Information to help users query for suboverflowed backends. Users can use segment id and process id information reported in the view to terminate the offending backends, thereby preventing degradation of performance Checking Disk Space Usage Checking for Data Distribution Skew Checking for and Terminating Overflowed Backends Viewing Metadata Information about Database Objects Note The gpcopy utility is available as a

bgw_restart_time, or immediately if the postmaster reinitializes the cluster due to a backend failure. Backends which need to suspend execution only temporarily should use an interruptible sleep rather than the backend performing the registration to obtain information regarding the status of the worker. Backends wishing to do this should pass the address of a BackgroundWorkerHandle * as the second argument

bgw_restart_time, or immediately if the postmaster reinitializes the cluster due to a backend failure. Backends which need to suspend execution only temporarily should use an interruptible sleep rather than the backend performing the registration to obtain information regarding the status of the worker. Backends wishing to do this should pass the address of a BackgroundWorkerHandle * as the second argument

bgw_restart_time, or immediately if the postmaster reinitializes the cluster due to a backend failure. Backends which need to suspend execution only temporarily should use an interruptible sleep rather than the backend performing the registration to obtain information regarding the status of the worker. Backends wishing to do this should pass the address of a BackgroundWorkerHandle * as the second argument

bgw_restart_time, or immediately if the postmaster reinitializes the cluster due to a backend failure. Backends which need to suspend execution only temporarily should use an interruptible sleep rather than the backend performing the registration to obtain information regarding the status of the worker. Backends wishing to do this should pass the address of a BackgroundWorkerHandle * as the second argument