gpdb

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Get streaming hash aggregate back

2

In multi-phase aggregate, this feature streams entries of the bottom phase when out of memory instead of spilling to disk, it avoids the disk I/O and roughly deduplicates to save...

adam8157

ERROR: failed to acquire resources - cdbgang_async.c

4

## Bug Report ERROR: CLI execute error: [SAS][ODBC Greenplum Wire Protocol driver][Greenplum]ERROR: failed to acquire resources on one or more segments(Detail server closed the connection unexpectedly This probably means the...

miklnx

(WIP) Add zstd compression support when data transfer

3

I just changed the gpfdist.c file and completed the demo test with the execute external table: 1, compile and generate executable file 2, create a shell script file named [gcurl.sh],...

water32

[7X] pg_resgroup_move_query() improvements.

37

The pg_resgroup_move_query() function implemented in 51ee26b has several disadvantages: 1) Slot leaking. The slot acquired in initiator process doesn't free if target process isn't alive, didn't receive a signal, or...

InnerLife0

COPY/CLUSTER: Use ntuples for gp_fastsequence allocation

2

For multi-insert, our insert workflow already supports batched WAL and there is no page locking by virtue of buffer cache bypass for AO/CO relations. So there is not much to...

soumyadeep2007

[6X] Using postgres query optimizer instead of ORCA to run resgroup group pipeline tests

6

This is the backport of #13974. The resource group pipeline uses ORCA as an optimizer by default. But as a resource management tool, it's unimportant which optimizer we use. So...

SmartKeyerror

## Bug Report ### Greenplum version or build master branch with top commit (86d7da285c3fdd95d458d6a77b929c7d42220253) ``` gpadmin@mdw:~/benchmarks/tpcds/sql$ psql tpcds Timing is on. psql (12beta2) Type "help" for help. tpcds=# \i 116.sql...

kainwen

gpssh-exkeys succeeds but gpssh reports Error: No user name available to Login method

3

I use docker to deploy the greenplum cluster, use the docker image of centos7, the rpm package is greenplum-db-6.16.3-rhel7-x86_64.rpm, during the deployment process, I encountered the situation that gpssh-exkeys succeeded...

yst001

Handle ICProxy addresses during gpexpand

4

This PR ported https://github.com/greenplum-db/gpdb/pull/16861 to 6x. ---- Current gpexpand doesn't handle the ICProxy addresses. So, if we are in icproxy mode: the proxy addresses of newly added segments are still...

interma

Consider MPP FDW LIMIT pushdown when both offset and limit clause are specified

3

### What this PR does Before this PR, GPDB won't push OFFSET/LIMIT in the remote servers for MPP FDW when both offset and limit clause are specified. Because it's **unsafe**...

jingwen-yang-yjw