Hello Aaron. Thanks for your answer
Jira ticket 4597 created : https://issues.apache.org/jira/browse/CASSANDRA-4597 Jean-Armel 2012/8/31 aaron morton <aa...@thelastpickle.com> > Looks like a bug. > > Can you please create a ticket on > https://issues.apache.org/jira/browse/CASSANDRA and update the email > thread ? > > Can you include this: CFPropDefs.applyToCFMetadata() does not set the > compaction class on CFM > > Thanks > > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 31/08/2012, at 7:05 AM, Jean-Armel Luce <jaluc...@gmail.com> wrote: > > I tried as you said with cassandra-cli, and still unsuccessfully > > [default@unknown] use test1; > Authenticated to keyspace: test1 > [default@test1] UPDATE COLUMN FAMILY pns_credentials with > compaction_strategy='LeveledCompactionStrategy'; > 8ed12919-ef2b-327f-8f57-4c2de26c9d51 > Waiting for schema agreement... > ... schemas agree across the cluster > > And then, when I check the compaction strategy, it is still > SizeTieredCompactionStrategy > [default@test1] describe pns_credentials; > ColumnFamily: pns_credentials > Key Validation Class: org.apache.cassandra.db.marshal.UTF8Type > Default column value validator: > org.apache.cassandra.db.marshal.UTF8Type > Columns sorted by: org.apache.cassandra.db.marshal.UTF8Type > GC grace seconds: 864000 > Compaction min/max thresholds: 4/32 > Read repair chance: 0.1 > DC Local Read repair chance: 0.0 > Replicate on write: true > Caching: KEYS_ONLY > Bloom Filter FP chance: default > Built indexes: [] > Column Metadata: > Column Name: isnew > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Column Name: ts > Validation Class: org.apache.cassandra.db.marshal.DateType > Column Name: mergestatus > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Column Name: infranetaccount > Validation Class: org.apache.cassandra.db.marshal.UTF8Type > Column Name: user_level > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Column Name: msisdn > Validation Class: org.apache.cassandra.db.marshal.LongType > Column Name: mergeusertype > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Compaction Strategy: > org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy > Compression Options: > sstable_compression: > org.apache.cassandra.io.compress.SnappyCompressor > > > > I tried also to create a new table with LeveledCompactionStrategy (using > cqlsh), and when I check the compaction strategy, the > SizeTieredCompactionStrategy is set for this table. > > cqlsh:test1> CREATE TABLE pns_credentials3 ( > ... ise text PRIMARY KEY, > ... isnew int, > ... ts timestamp, > ... mergestatus int, > ... infranetaccount text, > ... user_level int, > ... msisdn bigint, > ... mergeusertype int > ... ) WITH > ... comment='' AND > ... read_repair_chance=0.100000 AND > ... gc_grace_seconds=864000 AND > ... compaction_strategy_class='LeveledCompactionStrategy' AND > ... > compression_parameters:sstable_compression='SnappyCompressor'; > cqlsh:test1> describe table pns_credentials3 > > CREATE TABLE pns_credentials3 ( > ise text PRIMARY KEY, > isnew int, > ts timestamp, > mergestatus int, > infranetaccount text, > user_level int, > msisdn bigint, > mergeusertype int > ) WITH > comment='' AND > comparator=text AND > read_repair_chance=0.100000 AND > gc_grace_seconds=864000 AND > default_validation=text AND > min_compaction_threshold=4 AND > max_compaction_threshold=32 AND > replicate_on_write='true' AND > compaction_strategy_class='SizeTieredCompactionStrategy' AND > compression_parameters:sstable_compression='SnappyCompressor'; > > Maybe something is wrong in my server. > Any idea ? > > Thanks. > Jean-Armel > > > 2012/8/30 feedly team <feedly...@gmail.com> > >> in cassandra-cli, i did something like: >> >> update column family xyz with >> compaction_strategy='LeveledCompactionStrategy' >> >> >> On Thu, Aug 30, 2012 at 5:20 AM, Jean-Armel Luce <jaluc...@gmail.com>wrote: >> >>> >>> Hello, >>> >>> I am using Cassandra 1.1.1 and CQL3. >>> I have a cluster with 1 node (test environment) >>> Could you tell how to set the compaction strategy to Leveled Strategy >>> for an existing table ? >>> >>> I have a table pns_credentials >>> >>> jal@jal-VirtualBox:~/cassandra/apache-cassandra-1.1.1/bin$ ./cqlsh -3 >>> Connected to Test Cluster at localhost:9160. >>> [cqlsh 2.2.0 | Cassandra 1.1.1 | CQL spec 3.0.0 | Thrift protocol >>> 19.32.0] >>> Use HELP for help. >>> cqlsh> use test1; >>> cqlsh:test1> describe table pns_credentials; >>> >>> CREATE TABLE pns_credentials ( >>> ise text PRIMARY KEY, >>> isnew int, >>> ts timestamp, >>> mergestatus int, >>> infranetaccount text, >>> user_level int, >>> msisdn bigint, >>> mergeusertype int >>> ) WITH >>> comment='' AND >>> comparator=text AND >>> read_repair_chance=0.100000 AND >>> gc_grace_seconds=864000 AND >>> default_validation=text AND >>> min_compaction_threshold=4 AND >>> max_compaction_threshold=32 AND >>> replicate_on_write='true' AND >>> compaction_strategy_class='SizeTieredCompactionStrategy' AND >>> compression_parameters:sstable_compression='SnappyCompressor'; >>> >>> I want to set the LeveledCompaction strategy for this table, so I >>> execute the following ALTER TABLE : >>> >>> cqlsh:test1> alter table pns_credentials >>> ... WITH compaction_strategy_class='LeveledCompactionStrategy' >>> ... AND compaction_strategy_options:sstable_size_in_mb=10; >>> >>> In Cassandra logs, I see some informations : >>> INFO 10:23:52,532 Enqueuing flush of >>> Memtable-schema_columnfamilies@965212657(1391/1738 serialized/live >>> bytes, 20 ops) >>> INFO 10:23:52,533 Writing >>> Memtable-schema_columnfamilies@965212657(1391/1738 >>> serialized/live bytes, 20 ops) >>> INFO 10:23:52,629 Completed flushing >>> /var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-94-Data.db >>> (1442 bytes) for commitlog position ReplayPosition(segmentId=3556583843054, >>> position=1987) >>> >>> >>> However, when I look at the description of the table, the table is still >>> with the SizeTieredCompactionStrategy >>> cqlsh:test1> describe table pns_credentials ; >>> >>> CREATE TABLE pns_credentials ( >>> ise text PRIMARY KEY, >>> isnew int, >>> ts timestamp, >>> mergestatus int, >>> infranetaccount text, >>> user_level int, >>> msisdn bigint, >>> mergeusertype int >>> ) WITH >>> comment='' AND >>> comparator=text AND >>> read_repair_chance=0.100000 AND >>> gc_grace_seconds=864000 AND >>> default_validation=text AND >>> min_compaction_threshold=4 AND >>> max_compaction_threshold=32 AND >>> replicate_on_write='true' AND >>> compaction_strategy_class='SizeTieredCompactionStrategy' AND >>> compression_parameters:sstable_compression='SnappyCompressor'; >>> >>> In the schema_columnfamilies table (in system keyspace), the table >>> pns_credentials is still using the SizeTieredCompactionStrategy >>> cqlsh:test1> use system; >>> cqlsh:system> select * from schema_columnfamilies ; >>> ... >>> test1 | pns_credentials | null | KEYS_ONLY >>> | [] | | >>> org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy >>> | {} >>> | >>> org.apache.cassandra.db.marshal.UTF8Type | >>> {"sstable_compression":"org.apache.cassandra.io.compress.SnappyCompressor"} >>> | org.apache.cassandra.db.marshal.UTF8Type | 864000 | >>> 1029 | ise | org.apache.cassandra.db.marshal.UTF8Type >>> | 0 | 32 >>> | 4 | 0.1 | True >>> | null | Standard | null >>> ... >>> >>> >>> I stopped/started the Cassandra node, but the table is still with >>> SizeTieredCompactionStrategy >>> >>> I tried using cassandra-cli, but the alter is still unsuccessfull. >>> >>> Is there anything I am missing ? >>> >>> >>> Thanks. >>> >>> Jean-Armel >>> >> >> > >
