Dmitry Konstantinov created CASSANDRA-20649:
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Summary: io.sstable.Descriptor#SSTABLE_DIR_PATTERN does not allow
non-word symbols in snapshot names
Key: CASSANDRA-20649
URL: https://issues.apache.org/jira/browse/CASSANDRA-20649
Project: Apache Cassandra
Issue Type: Bug
Components: Local/SSTable
Reporter: Dmitry Konstantinov
Assignee: Dmitry Konstantinov
org.apache.cassandra.io.sstable.Descriptor#SSTABLE_DIR_PATTERN
{code:java}
static final Pattern SSTABLE_DIR_PATTERN =
Pattern.compile(".*/(?<keyspace>\\w+)/" +
"(?<tableName>\\w+)-(?<tableId>[0-9a-f]{32})/" +
"(backups/|snapshots/(?<tag>[\\w-]+)/)?" +
"(\\.(?<indexName>[\\w-]+)/)?" +
"(?<component>[\\w-\\+]+)\\.(?<ext>[\\w]+)$"); {code}
tag part of the regexp is too limited.
Example:
{code}
2025-05-14 09:42:09,681 Descriptor.java:333 - Could not extract keyspace/table
info from sstable directory
/some_directory/cassandra/data/system_schema/views-9786ac1cdd583201a7cdad556410c985/snapshots/1747088279773-upgrade-from-4.1.4-to-5.0.4/nb-1-big-CompressionInfo.db
{code}
it affects retrieval of MBeans like:
org.apache.cassandra.metrics:*,name=SnapshotsSize - debug log is flooded with
"Could not extract keyspace/table info from sstable directory" messages
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