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https://issues.apache.org/jira/browse/CASSANDRA-9934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648912#comment-14648912
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Ahmed ELJAMI commented on CASSANDRA-9934:
-----------------------------------------
Yes!
keySpace with RF = 1
My Key exists on node node002(ip 192.168.1.2)
When I stop the node, to be sur:
cqlsh> select * from myks.mytable where id = 1745;
Unable to complete request: one or more nodes were unavailable.
When I start my node002 with survey mode = true
INFO [main] 2015-07-31 09:13:40,448 StorageService.java (line 853) Startup
complete, but write survey mode is active, not becoming an active ring member.
Use JMX (StorageService->joinRing()) to finalize ring joining.
cqlsh> select * from myks.mytable where id = 1745;
id | fname | lname
------+-------+-------
1745 | john | smith
Tracing:
tracing session: cddd4bb0-3758-11e5-bc8a-95336b038b5d
(192.168.1.1 is the coordinator, 192.168.1.2 is the node with survey mode =
true and key = 1745)
activity |
timestamp | source | source_elapsed
---------------------------------------------------------------------------+--------------+-------------+----------------
execute_cql3_query |
09:50:25,515 | 192.168.1.1 | 0
Message received from /192.168.1.1 |
09:50:25,515 | 192.168.1.2 | 69
Executing single-partition query on cf1 |
09:50:25,516 | 192.168.1.2 | 1132
Parsing select * from myks.mytable where id = 1745 LIMIT 10000; |
09:50:25,516 | 192.168.1.2 | 56
Acquiring sstable references |
09:50:25,516 | 192.168.1.2 | 1224
Preparing statement |
09:50:25,516 | 192.168.1.1 | 135
Merging memtable tombstones |
09:50:25,516 | 192.168.1.2 | 1294
Executing single-partition query on users |
09:50:25,516 | 192.168.1.1 | 368
........
> Read authorized with write survey
> ---------------------------------
>
> Key: CASSANDRA-9934
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9934
> Project: Cassandra
> Issue Type: Bug
> Components: Config, Core
> Environment: Cassandra 2.0.10
> Reporter: Ahmed ELJAMI
> Priority: Minor
>
> I start a node with the write survey = true
> -Dcassandra.write_survey=true
> Log:
> INFO [main] 2015-07-29 15:29:35,697 StorageService.java (line 853) Startup
> complete, but write survey mode is active, not becoming an active ring
> member. Use JMX (StorageService->joinRing()) to finalize ring joining.
> but the node allows read:
> cqlsh> select * from myTable where id = 1745;
> id | fname | lname
> ------+-------+-------
> 1745 | john | smith
> (Key 1745 exists on node with the the write survey = true)
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