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Cassandra – Unknown property exception while recreating table schema

Solved946 views5th January 2022backup restore Cassandra
1
Jens Vandewalle [SLC] [DevOps Enabler]9.44K 4th January 2022 0 Comments

Hi Dojo,

I'm trying to recreate my Cassandra table schema on another server by following the steps mentioned in another post: Cassandra - Restore backup : How to recreate the table schema?

Problem is that I get an unknown property exception:

Below an example of one of the tables that I need to add containing this property

CREATE TABLE "SLDMADB".analytics_alarmfocus (
di int,
ei int,
pi int,
i text,
dn text,
fd text,
PRIMARY KEY (( di, ei ), pi, i)
) WITH CLUSTERING ORDER BY ( pi ASC, i ASC )
AND bloom_filter_fp_chance = 0.01
AND comment = ''
AND crc_check_chance = 1.0
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'
AND caching = {
'keys' : 'ALL',
'rows_per_partition' : 'NONE'
}
AND compression = {
'chunk_length_in_kb' : 64,
'class' : 'LZ4Compressor',
'enabled' : true
}
AND compaction = {
'class' : 'SizeTieredCompactionStrategy',
'max_threshold' : 32,
'min_threshold' : 4
};

What can I do to make this work?

Jens Vandewalle [SLC] [DevOps Enabler] Selected answer as best 5th January 2022

1 Answer

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2
Wale Oguntoyinbo [SLC] [DevOps Advocate]3.35K Posted 4th January 2022 1 Comment

Not 100% cartain but I think there might be incompatibilities in Schemas between 3.x (where your export was done) and 4.x

The error might be due to the fact that some table properties are no longer supported or at least I cant find this specific property in Cassandra 4.x

Table properties 3.x: https://docs.datastax.com/en/cqloss/3.x/cql/cql_reference/cqlCreateTable.html#table_optionshttps://docs.datastax.com/en/cql-oss/3.1/cql/cql_reference/tabProp.html

Table properties 4.x : https://cassandra.apache.org/doc/latest/cassandra/cql/ddl.html (I cant find 'dclocal_read_repair_chance ' property here)

....but maybe there is a way to override it.

Jens Vandewalle [SLC] [DevOps Enabler] Selected answer as best 5th January 2022
Jens Vandewalle [SLC] [DevOps Enabler] commented 5th January 2022

Hi Wale,
Downgrading my Cassandra to version 3.11 did the trick. Thank you!

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