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Posted to commits@cassandra.apache.org by "Cathy Daw (JIRA)" <ji...@apache.org> on 2013/06/20 03:17:20 UTC
[jira] [Updated] (CASSANDRA-5670) running compact on an index did
not compact two index files into one
[ https://issues.apache.org/jira/browse/CASSANDRA-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Cathy Daw updated CASSANDRA-5670:
---------------------------------
Description:
With a data directory containing secondary index files ending in -1 and -2, I expected that when I ran compact against the index that they would compact down to a set of -3 files. This column family uses SizeTieredCompactionStrategy.
Using our standard CQL example, the compact command used was:
$ ./nodetool compact test1 test1-playlists.playlists_artist_idx
Please note: reproducing this test on 1.1.12 (using a single primary key), you will see that running compact on the keyspace also does not compact the index file. There is no option to compact the index, so I could not compare that.
{noformat}
CREATE KEYSPACE test1 WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};
use test1;
CREATE TABLE playlists (
id uuid,
song_order int,
song_id uuid,
title text,
album text,
artist text,
PRIMARY KEY (id, song_order ) );
INSERT INTO playlists (id, song_order, song_id, title, artist, album)
VALUES (62c36092-82a1-3a00-93d1-46196ee77204, 1,
a3e64f8f-bd44-4f28-b8d9-6938726e34d4, 'La Grange', 'ZZ Top', 'Tres Hombres');
select * from playlists;
=====================================
./nodetool flush test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-1-CompressionInfo.db
test1-playlists-ic-1-Data.db
test1-playlists-ic-1-Filter.db
test1-playlists-ic-1-Index.db
test1-playlists-ic-1-Statistics.db
test1-playlists-ic-1-Summary.db
test1-playlists-ic-1-TOC.txt
=====================================
CREATE INDEX ON playlists(artist );
select * from playlists;
select * from playlists where artist = 'ZZ Top';
=====================================
$ ./nodetool flush test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-1-CompressionInfo.db
test1-playlists-ic-1-Data.db
test1-playlists-ic-1-Filter.db
test1-playlists-ic-1-Index.db
test1-playlists-ic-1-Statistics.db
test1-playlists-ic-1-Summary.db
test1-playlists-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
=====================================
delete artist from playlists where id = 62c36092-82a1-3a00-93d1-46196ee77204 and song_order = 1;
select * from playlists;
select * from playlists where artist = 'ZZ Top';
=====================================
$ ./nodetool flush test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-1-CompressionInfo.db
test1-playlists-ic-1-Data.db
test1-playlists-ic-1-Filter.db
test1-playlists-ic-1-Index.db
test1-playlists-ic-1-Statistics.db
test1-playlists-ic-1-Summary.db
test1-playlists-ic-1-TOC.txt
test1-playlists-ic-2-CompressionInfo.db
test1-playlists-ic-2-Data.db
test1-playlists-ic-2-Filter.db
test1-playlists-ic-2-Index.db
test1-playlists-ic-2-Statistics.db
test1-playlists-ic-2-Summary.db
test1-playlists-ic-2-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-2-Data.db
test1-playlists.playlists_artist_idx-ic-2-Filter.db
test1-playlists.playlists_artist_idx-ic-2-Index.db
test1-playlists.playlists_artist_idx-ic-2-Statistics.db
test1-playlists.playlists_artist_idx-ic-2-Summary.db
test1-playlists.playlists_artist_idx-ic-2-TOC.txt
=====================================
./nodetool compact test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-3-CompressionInfo.db
test1-playlists-ic-3-Data.db
test1-playlists-ic-3-Filter.db
test1-playlists-ic-3-Index.db
test1-playlists-ic-3-Statistics.db
test1-playlists-ic-3-Summary.db
test1-playlists-ic-3-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-2-Data.db
test1-playlists.playlists_artist_idx-ic-2-Filter.db
test1-playlists.playlists_artist_idx-ic-2-Index.db
test1-playlists.playlists_artist_idx-ic-2-Statistics.db
test1-playlists.playlists_artist_idx-ic-2-Summary.db
test1-playlists.playlists_artist_idx-ic-2-TOC.txt
=====================================
$ ./nodetool compact test1 test1-playlists.playlists_artist_idx
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-3-CompressionInfo.db
test1-playlists-ic-3-Data.db
test1-playlists-ic-3-Filter.db
test1-playlists-ic-3-Index.db
test1-playlists-ic-3-Statistics.db
test1-playlists-ic-3-Summary.db
test1-playlists-ic-3-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-2-Data.db
test1-playlists.playlists_artist_idx-ic-2-Filter.db
test1-playlists.playlists_artist_idx-ic-2-Index.db
test1-playlists.playlists_artist_idx-ic-2-Statistics.db
test1-playlists.playlists_artist_idx-ic-2-Summary.db
test1-playlists.playlists_artist_idx-ic-2-TOC.txt
=====================================
cqlsh:test1> describe keyspace test1;
CREATE KEYSPACE test1 WITH replication = {
'class': 'SimpleStrategy',
'replication_factor': '1'
};
USE test1;
CREATE TABLE playlists (
id uuid,
song_order int,
album text,
artist text,
song_id uuid,
title text,
PRIMARY KEY (id, song_order)
) WITH
bloom_filter_fp_chance=0.010000 AND
caching='KEYS_ONLY' AND
comment='' AND
dclocal_read_repair_chance=0.000000 AND
gc_grace_seconds=864000 AND
read_repair_chance=0.100000 AND
replicate_on_write='true' AND
populate_io_cache_on_flush='false' AND
compaction={'class': 'SizeTieredCompactionStrategy'} AND
compression={'sstable_compression': 'SnappyCompressor'};
CREATE INDEX playlists_artist_idx ON playlists (artist);
{noformat}
was:
With a data directory containing secondary index files ending in -1 and -2, I expected that when I ran compact against the index that they would compact down to a set of -3 files. This column family uses SizeTieredCompactionStrategy.
Using our standard CQL example, the compact command used was:
$ ./nodetool compact test1 test1-playlists.playlists_artist_idx
Please note: reproducing this test on 1.1.12 (using a single primary key), you will see that running compact on the keyspace also does not compact the index file. There is no option to compact the index, so I could not compare that.
{noformat}
CREATE KEYSPACE test1 WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};
use test1;
CREATE TABLE playlists (
id uuid,
song_order int,
song_id uuid,
title text,
album text,
artist text,
PRIMARY KEY (id, song_order ) );
INSERT INTO playlists (id, song_order, song_id, title, artist, album)
VALUES (62c36092-82a1-3a00-93d1-46196ee77204, 1,
a3e64f8f-bd44-4f28-b8d9-6938726e34d4, 'La Grange', 'ZZ Top', 'Tres Hombres');
select * from playlists;
=====================================
./nodetool flush test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-1-CompressionInfo.db
test1-playlists-ic-1-Data.db
test1-playlists-ic-1-Filter.db
test1-playlists-ic-1-Index.db
test1-playlists-ic-1-Statistics.db
test1-playlists-ic-1-Summary.db
test1-playlists-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
=====================================
CREATE INDEX ON playlists(artist );
select * from playlists;
select * from playlists where artist = 'ZZ Top';
=====================================
$ ./nodetool flush test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-1-CompressionInfo.db
test1-playlists-ic-1-Data.db
test1-playlists-ic-1-Filter.db
test1-playlists-ic-1-Index.db
test1-playlists-ic-1-Statistics.db
test1-playlists-ic-1-Summary.db
test1-playlists-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
=====================================
delete artist from playlists where id = 62c36092-82a1-3a00-93d1-46196ee77204 and song_order = 1;
select * from playlists;
select * from playlists where artist = 'ZZ Top';
=====================================
$ ./nodetool flush test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-1-CompressionInfo.db
test1-playlists-ic-1-Data.db
test1-playlists-ic-1-Filter.db
test1-playlists-ic-1-Index.db
test1-playlists-ic-1-Statistics.db
test1-playlists-ic-1-Summary.db
test1-playlists-ic-1-TOC.txt
test1-playlists-ic-2-CompressionInfo.db
test1-playlists-ic-2-Data.db
test1-playlists-ic-2-Filter.db
test1-playlists-ic-2-Index.db
test1-playlists-ic-2-Statistics.db
test1-playlists-ic-2-Summary.db
test1-playlists-ic-2-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-2-Data.db
test1-playlists.playlists_artist_idx-ic-2-Filter.db
test1-playlists.playlists_artist_idx-ic-2-Index.db
test1-playlists.playlists_artist_idx-ic-2-Statistics.db
test1-playlists.playlists_artist_idx-ic-2-Summary.db
test1-playlists.playlists_artist_idx-ic-2-TOC.txt
=====================================
./nodetool compact test1
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-3-CompressionInfo.db
test1-playlists-ic-3-Data.db
test1-playlists-ic-3-Filter.db
test1-playlists-ic-3-Index.db
test1-playlists-ic-3-Statistics.db
test1-playlists-ic-3-Summary.db
test1-playlists-ic-3-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-2-Data.db
test1-playlists.playlists_artist_idx-ic-2-Filter.db
test1-playlists.playlists_artist_idx-ic-2-Index.db
test1-playlists.playlists_artist_idx-ic-2-Statistics.db
test1-playlists.playlists_artist_idx-ic-2-Summary.db
test1-playlists.playlists_artist_idx-ic-2-TOC.txt
=====================================
$ ./nodetool compact test1 test1-playlists.playlists_artist_idx
$ ls /var/lib/cassandra/data/test1/playlists
test1-playlists-ic-3-CompressionInfo.db
test1-playlists-ic-3-Data.db
test1-playlists-ic-3-Filter.db
test1-playlists-ic-3-Index.db
test1-playlists-ic-3-Statistics.db
test1-playlists-ic-3-Summary.db
test1-playlists-ic-3-TOC.txt
test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-1-Data.db
test1-playlists.playlists_artist_idx-ic-1-Filter.db
test1-playlists.playlists_artist_idx-ic-1-Index.db
test1-playlists.playlists_artist_idx-ic-1-Statistics.db
test1-playlists.playlists_artist_idx-ic-1-Summary.db
test1-playlists.playlists_artist_idx-ic-1-TOC.txt
test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
test1-playlists.playlists_artist_idx-ic-2-Data.db
test1-playlists.playlists_artist_idx-ic-2-Filter.db
test1-playlists.playlists_artist_idx-ic-2-Index.db
test1-playlists.playlists_artist_idx-ic-2-Statistics.db
test1-playlists.playlists_artist_idx-ic-2-Summary.db
test1-playlists.playlists_artist_idx-ic-2-TOC.txt
=====================================
cqlsh:test1> describe keyspace test1;
CREATE KEYSPACE test1 WITH replication = {
'class': 'SimpleStrategy',
'replication_factor': '1'
};
USE test1;
CREATE TABLE playlists (
id uuid,
song_order int,
album text,
artist text,
song_id uuid,
title text,
PRIMARY KEY (id, song_order)
) WITH
bloom_filter_fp_chance=0.010000 AND
caching='KEYS_ONLY' AND
comment='' AND
dclocal_read_repair_chance=0.000000 AND
gc_grace_seconds=864000 AND
read_repair_chance=0.100000 AND
replicate_on_write='true' AND
populate_io_cache_on_flush='false' AND
compaction={'class': 'SizeTieredCompactionStrategy'} AND
compression={'sstable_compression': 'SnappyCompressor'};
CREATE INDEX playlists_artist_idx ON playlists (artist);
{noformat}
> running compact on an index did not compact two index files into one
> --------------------------------------------------------------------
>
> Key: CASSANDRA-5670
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5670
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.2.5
> Reporter: Cathy Daw
> Priority: Minor
>
> With a data directory containing secondary index files ending in -1 and -2, I expected that when I ran compact against the index that they would compact down to a set of -3 files. This column family uses SizeTieredCompactionStrategy.
> Using our standard CQL example, the compact command used was:
> $ ./nodetool compact test1 test1-playlists.playlists_artist_idx
> Please note: reproducing this test on 1.1.12 (using a single primary key), you will see that running compact on the keyspace also does not compact the index file. There is no option to compact the index, so I could not compare that.
> {noformat}
> CREATE KEYSPACE test1 WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};
> use test1;
> CREATE TABLE playlists (
> id uuid,
> song_order int,
> song_id uuid,
> title text,
> album text,
> artist text,
> PRIMARY KEY (id, song_order ) );
> INSERT INTO playlists (id, song_order, song_id, title, artist, album)
> VALUES (62c36092-82a1-3a00-93d1-46196ee77204, 1,
> a3e64f8f-bd44-4f28-b8d9-6938726e34d4, 'La Grange', 'ZZ Top', 'Tres Hombres');
> select * from playlists;
> =====================================
> ./nodetool flush test1
> $ ls /var/lib/cassandra/data/test1/playlists
> test1-playlists-ic-1-CompressionInfo.db
> test1-playlists-ic-1-Data.db
> test1-playlists-ic-1-Filter.db
> test1-playlists-ic-1-Index.db
> test1-playlists-ic-1-Statistics.db
> test1-playlists-ic-1-Summary.db
> test1-playlists-ic-1-TOC.txt
> =====================================
> CREATE INDEX ON playlists(artist );
> select * from playlists;
> select * from playlists where artist = 'ZZ Top';
> =====================================
> $ ./nodetool flush test1
> $ ls /var/lib/cassandra/data/test1/playlists
> test1-playlists-ic-1-CompressionInfo.db
> test1-playlists-ic-1-Data.db
> test1-playlists-ic-1-Filter.db
> test1-playlists-ic-1-Index.db
> test1-playlists-ic-1-Statistics.db
> test1-playlists-ic-1-Summary.db
> test1-playlists-ic-1-TOC.txt
>
> test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-1-Data.db
> test1-playlists.playlists_artist_idx-ic-1-Filter.db
> test1-playlists.playlists_artist_idx-ic-1-Index.db
> test1-playlists.playlists_artist_idx-ic-1-Statistics.db
> test1-playlists.playlists_artist_idx-ic-1-Summary.db
> test1-playlists.playlists_artist_idx-ic-1-TOC.txt
> =====================================
> delete artist from playlists where id = 62c36092-82a1-3a00-93d1-46196ee77204 and song_order = 1;
> select * from playlists;
> select * from playlists where artist = 'ZZ Top';
> =====================================
> $ ./nodetool flush test1
> $ ls /var/lib/cassandra/data/test1/playlists
> test1-playlists-ic-1-CompressionInfo.db
> test1-playlists-ic-1-Data.db
> test1-playlists-ic-1-Filter.db
> test1-playlists-ic-1-Index.db
> test1-playlists-ic-1-Statistics.db
> test1-playlists-ic-1-Summary.db
> test1-playlists-ic-1-TOC.txt
> test1-playlists-ic-2-CompressionInfo.db
> test1-playlists-ic-2-Data.db
> test1-playlists-ic-2-Filter.db
> test1-playlists-ic-2-Index.db
> test1-playlists-ic-2-Statistics.db
> test1-playlists-ic-2-Summary.db
> test1-playlists-ic-2-TOC.txt
>
> test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-1-Data.db
> test1-playlists.playlists_artist_idx-ic-1-Filter.db
> test1-playlists.playlists_artist_idx-ic-1-Index.db
> test1-playlists.playlists_artist_idx-ic-1-Statistics.db
> test1-playlists.playlists_artist_idx-ic-1-Summary.db
> test1-playlists.playlists_artist_idx-ic-1-TOC.txt
> test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-2-Data.db
> test1-playlists.playlists_artist_idx-ic-2-Filter.db
> test1-playlists.playlists_artist_idx-ic-2-Index.db
> test1-playlists.playlists_artist_idx-ic-2-Statistics.db
> test1-playlists.playlists_artist_idx-ic-2-Summary.db
> test1-playlists.playlists_artist_idx-ic-2-TOC.txt
> =====================================
> ./nodetool compact test1
> $ ls /var/lib/cassandra/data/test1/playlists
> test1-playlists-ic-3-CompressionInfo.db
> test1-playlists-ic-3-Data.db
> test1-playlists-ic-3-Filter.db
> test1-playlists-ic-3-Index.db
> test1-playlists-ic-3-Statistics.db
> test1-playlists-ic-3-Summary.db
> test1-playlists-ic-3-TOC.txt
> test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-1-Data.db
> test1-playlists.playlists_artist_idx-ic-1-Filter.db
> test1-playlists.playlists_artist_idx-ic-1-Index.db
> test1-playlists.playlists_artist_idx-ic-1-Statistics.db
> test1-playlists.playlists_artist_idx-ic-1-Summary.db
> test1-playlists.playlists_artist_idx-ic-1-TOC.txt
> test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-2-Data.db
> test1-playlists.playlists_artist_idx-ic-2-Filter.db
> test1-playlists.playlists_artist_idx-ic-2-Index.db
> test1-playlists.playlists_artist_idx-ic-2-Statistics.db
> test1-playlists.playlists_artist_idx-ic-2-Summary.db
> test1-playlists.playlists_artist_idx-ic-2-TOC.txt
> =====================================
> $ ./nodetool compact test1 test1-playlists.playlists_artist_idx
> $ ls /var/lib/cassandra/data/test1/playlists
> test1-playlists-ic-3-CompressionInfo.db
> test1-playlists-ic-3-Data.db
> test1-playlists-ic-3-Filter.db
> test1-playlists-ic-3-Index.db
> test1-playlists-ic-3-Statistics.db
> test1-playlists-ic-3-Summary.db
> test1-playlists-ic-3-TOC.txt
> test1-playlists.playlists_artist_idx-ic-1-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-1-Data.db
> test1-playlists.playlists_artist_idx-ic-1-Filter.db
> test1-playlists.playlists_artist_idx-ic-1-Index.db
> test1-playlists.playlists_artist_idx-ic-1-Statistics.db
> test1-playlists.playlists_artist_idx-ic-1-Summary.db
> test1-playlists.playlists_artist_idx-ic-1-TOC.txt
> test1-playlists.playlists_artist_idx-ic-2-CompressionInfo.db
> test1-playlists.playlists_artist_idx-ic-2-Data.db
> test1-playlists.playlists_artist_idx-ic-2-Filter.db
> test1-playlists.playlists_artist_idx-ic-2-Index.db
> test1-playlists.playlists_artist_idx-ic-2-Statistics.db
> test1-playlists.playlists_artist_idx-ic-2-Summary.db
> test1-playlists.playlists_artist_idx-ic-2-TOC.txt
> =====================================
> cqlsh:test1> describe keyspace test1;
> CREATE KEYSPACE test1 WITH replication = {
> 'class': 'SimpleStrategy',
> 'replication_factor': '1'
> };
> USE test1;
> CREATE TABLE playlists (
> id uuid,
> song_order int,
> album text,
> artist text,
> song_id uuid,
> title text,
> PRIMARY KEY (id, song_order)
> ) WITH
> bloom_filter_fp_chance=0.010000 AND
> caching='KEYS_ONLY' AND
> comment='' AND
> dclocal_read_repair_chance=0.000000 AND
> gc_grace_seconds=864000 AND
> read_repair_chance=0.100000 AND
> replicate_on_write='true' AND
> populate_io_cache_on_flush='false' AND
> compaction={'class': 'SizeTieredCompactionStrategy'} AND
> compression={'sstable_compression': 'SnappyCompressor'};
> CREATE INDEX playlists_artist_idx ON playlists (artist);
> {noformat}
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