Wasil Shaikh created CASSANDRA-14622:
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Summary: Run compaction on cluster
Key: CASSANDRA-14622
URL: https://issues.apache.org/jira/browse/CASSANDRA-14622
Project: Cassandra
Issue Type: Bug
Components: CQL
Environment: CentOS Linux release 7.1.1503 (Core)
Reporter: Wasil Shaikh
Fix For: 2.2.1
Dear Team,
I have setup a cassandra cluster for 3 m/c.
[root@ip-172-31-21-222 ~]# nodetool status
Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID Rack
UN 172.31.21.223 4.01 TB 256 ? 9d2a408a-264f-423f-8af2-e1d4cb608998 rack1
UN 172.31.21.222 4.5 TB 256 ? c3d24437-3e03-41d7-a2af-2ed53bcf2dfc rack1
UN 172.31.21.221 4.26 TB 256 ? aaf4fbaf-837b-44e2-98ba-5eb2b3e6b62b rack1
Note: Non-system keyspaces don't have the same replication settings, effective
ownership information is meaningless
[root@ip-172-31-21-222 ~]#
Now i have deleted around 40-45 GB data but space seems is not vacant.
I'm using SizeTieredCompactionStrategy and below is my table defination.
CREATE TABLE test.att_103 (
md5 text PRIMARY KEY,
arcsize int,
att_str blob,
attsize int,
udate timestamp
) WITH bloom_filter_fp_chance = 0.01
AND caching = '\{"keys":"ALL", "rows_per_partition":"NONE"}'
AND comment = ''
AND compaction = \{'class':
'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy'}
AND compression = \{'sstable_compression':
'org.apache.cassandra.io.compress.LZ4Compressor'}
AND dclocal_read_repair_chance = 0.1
AND default_time_to_live = 0
AND gc_grace_seconds = 864000
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair_chance = 0.0
AND speculative_retry = '99.0PERCENTILE';
I have dumped data using sstable2json command to verify whether my column data
is deleted or not.
e.g
{"key": "9b7937de43aa22fc3bf18ec72d86140b",
"cells": [["att_str",1533305633,1533305633552000,"d"],
["udate","2018-08-03 14:13Z",1533305633552000]]}
Now can you help me here regarding how to run compaction manually instead of
waiting for 10 days of grace period.
Thanks
Wasil.
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