Artem Chudinov created CASSANDRA-11618:
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Summary: Removing an element from map<any type, tinyint/smallint>
corrupts commitlog
Key: CASSANDRA-11618
URL: https://issues.apache.org/jira/browse/CASSANDRA-11618
Project: Cassandra
Issue Type: Bug
Components: Local Write-Read Paths
Environment: Fully updated CentOS 7.2 64-bit (ami-1f5dfe6c: "CentOS
7.2 x86_64 with cloud-init (HVM)") on Amazon's eu-west-1c t2.micro + OpenJDK
1.8.0_77
Arch Linux 32-bit + OpenJDK 8.u77-1
Reporter: Artem Chudinov
Priority: Critical
Fix For: 3.6, 3.0.6, 3.5
Attachments: cassandra-trunk-0541597e7-failedlaunch.log,
cassandra-trunk-0541597e7-mutation279088679553718337dat
2.2.6 has no this bug.
I've tried 3.0 alpha 1, 3.0 beta 1, 3.0 beta 2, 3.0.0, 3.0.6, 3.5, datastax-ddc
3.5.0 (from repo), and trunk (3.6) - all of them have this bug.
I've found that the error is thrown since
d12d2d496540c698f30e9b528b66e8f6636842d3, which is included in 3.0 beta 1 (but
*not* in the alpha 1).
Cassandra 3.0 alpha 1 does not throw the error, but forgets about the changes
after shutting down.
Only after rm ./data/commitlog/* , Cassandra starts fine.
By the way, map<int, boolean> works fine.
Steps to reproduce:
{code}
$ ant build
$ ./bin/cassandra
$ ./bin/cqlsh
{code}
{code:sql}
CREATE KEYSPACE bugs
WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}
AND durable_writes = true;
CREATE TABLE bugs.bug1 (
id int,
m map<int, tinyint or smallint>, -- key can be any type
PRIMARY KEY (id)
);
INSERT INTO bugs.bug1 (id, m) VALUES (1, {0: 4, 4: 3});
UPDATE bugs.bug1 SET m[0]=NULL WHERE id=1;
-- and/or UPDATE bugs.bug1 SET m[1]=NULL WHERE id=1;
SELECT * FROM bugs.bug1;
{code}
{code}
id | m
----+--------
1 | {4: 3}
(1 rows)
{code}
{code}
$ ./bin/nodetool stopdaemon
$ ./bin/cassandra
{code}
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