[
https://issues.apache.org/jira/browse/HAWQ-592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chunling Wang updated HAWQ-592:
---
Description:
We first run a query to get some QEs. Then we kill one and run "set
log_min_messages=DEBUG1" to let QD get executormgr_allocate_any_executor(). We
find QD failed.
1. Run query to get some QEs.
{code}
dispatch=# select count(*) from test_dispatch as t1, test_dispatch as t2,
test_dispatch as t3 where t1.id *2 = t2.id and t1.id < t3.id;
count
---
3725
(1 row)
{code}
{code}
$ ps -ef|grep postgres
501 12817 1 0 4:41下午 ?? 0:00.36 /usr/local/hawq/bin/postgres
-D /Users/wangchunling/hawq-data-directory/masterdd -i -M master -p 5432
--silent-mode=true
501 12818 12817 0 4:41下午 ?? 0:00.01 postgres: port 5432, master
logger process
501 12821 12817 0 4:41下午 ?? 0:00.00 postgres: port 5432, stats
collector process
501 12822 12817 0 4:41下午 ?? 0:00.03 postgres: port 5432, writer
process
501 12823 12817 0 4:41下午 ?? 0:00.00 postgres: port 5432,
checkpoint process
501 12824 12817 0 4:41下午 ?? 0:00.00 postgres: port 5432,
seqserver process
501 12825 12817 0 4:41下午 ?? 0:00.00 postgres: port 5432, WAL Send
Server process
501 12826 12817 0 4:41下午 ?? 0:00.00 postgres: port 5432, DFS
Metadata Cache process
501 12827 12817 0 4:41下午 ?? 0:00.16 postgres: port 5432, master
resource manager
501 12844 1 0 4:41下午 ?? 0:00.57 /usr/local/hawq/bin/postgres
-D /Users/wangchunling/hawq-data-directory/segmentdd -i -M segment -p 4
--silent-mode=true
501 12845 12844 0 4:41下午 ?? 0:00.01 postgres: port 4, logger
process
501 12856 12862 0 4:42下午 ?? 0:00.05 postgres: port 5432,
wangchunling dispatch [local] con13 cmd10 idle [local]
501 12872 12844 0 4:42下午 ?? 0:00.00 postgres: port 4, stats
collector process
501 12873 12844 0 4:42下午 ?? 0:00.01 postgres: port 4, writer
process
501 12874 12844 0 4:42下午 ?? 0:00.00 postgres: port 4,
checkpoint process
501 12875 12844 0 4:42下午 ?? 0:00.03 postgres: port 4, segment
resource manager
{code}
2. Kill -9 some QE and wait segment up.
{code}
$ ps -ef|grep postgres
501 12817 1 0 4:41下午 ?? 0:00.91 /usr/local/hawq/bin/postgres
-D /Users/wangchunling/hawq-data-directory/masterdd -i -M master -p 5432
--silent-mode=true
501 12818 12817 0 4:41下午 ?? 0:00.05 postgres: port 5432, master
logger process
501 12844 1 0 4:41下午 ?? 0:01.52 /usr/local/hawq/bin/postgres
-D /Users/wangchunling/hawq-data-directory/segmentdd -i -M segment -p 4
--silent-mode=true
501 12845 12844 0 4:41下午 ?? 0:00.04 postgres: port 4, logger
process
501 12872 12844 0 4:42下午 ?? 0:00.02 postgres: port 4, stats
collector process
501 12873 12844 0 4:42下午 ?? 0:00.19 postgres: port 4, writer
process
501 12874 12844 0 4:42下午 ?? 0:00.03 postgres: port 4,
checkpoint process
501 12875 12844 0 4:42下午 ?? 0:00.41 postgres: port 4, segment
resource manager
501 12932 12817 0 4:52下午 ?? 0:00.00 postgres: port 5432, stats
collector process
501 12933 12817 0 4:52下午 ?? 0:00.01 postgres: port 5432, writer
process
501 12934 12817 0 4:52下午 ?? 0:00.00 postgres: port 5432,
checkpoint process
501 12935 12817 0 4:52下午 ?? 0:00.00 postgres: port 5432,
seqserver process
501 12936 12817 0 4:52下午 ?? 0:00.00 postgres: port 5432, WAL Send
Server process
501 12937 12817 0 4:52下午 ?? 0:00.00 postgres: port 5432, DFS
Metadata Cache process
501 12938 12817 0 4:52下午 ?? 0:00.04 postgres: port 5432, master
resource manager
501 12952 12817 0 4:53下午 ?? 0:00.00 postgres: port 5432,
wangchunling dispatch [local] con30 idle [local]
{code}
{code}
dispatch=# select * from gp_segment_configuration;
registration_order | role | status | port | hostname |
address |description
+--++---+-+-+
0 | m| u | 5432 | ChunlingdeMacBook-Pro.local |
ChunlingdeMacBook-Pro.local |
1 | p| d | 4 | localhost |
127.0.0.1 | resource manager process was reset
(2 rows)
dispatch=# select * from gp_segment_configuration;
registration_order | role | status | port | hostname |
address | description
+--++---+-+-+-
0 | m| u | 5432 |
