It sounds like you have done some concurrent table creation/deletion in
the past (e.g. CREATE TABLE IF NOT EXISTS from multiple clients), which
resulted in this mismatch. After you restarted the node, Cassandra
corrected it by discarding the old table ID and any data associated with
it. This is the expected behaviour. This issue has already been fixed,
and you can safely delete the data directory with the incorrect table ID
as it is no longer used by Cassandra. You should now run a full repair
on this node to ensure it has all the data it owns. If you are
/absolutely/ certain that the table with different IDs have identical
schema, and the gc_grace_seconds hasn't past, you may move the data from
the wrong data directory to the correct data directory, and then restart
the node or run "nodetool refresh <keyspace> <table>" on the node before
running the full repair, this may save you some streaming time. However,
if the table schema is different, this may cause a havoc.
On 18/01/2024 05:21, ENES ATABERK wrote:
Hi all,
we have detected that table-uuid in linux file directory is different
from system_schema.tables id.
I have executed nodetool describe cluster and see only one schema
version in the cluster.
How we can fix this issue do anyone has any idea? Restarting the nodes
only create a new empty directory with name system_schema.tables id
directory but in this case i have two directories old one has sstables
with incorrect uuid new one has correct uuid but empty.
thanks in advance
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