Parse metadata in parallel when loading tables#12045
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alexey-milovidov merged 1 commit intomasterfrom Jun 30, 2020
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| $CLICKHOUSE_CLIENT -q "CREATE TABLE $db.table_merge (i UInt64, d Date, s String, n Nested(i UInt8, f Float32)) ENGINE=Merge('$db', '^table_')" | ||
| #FIXME the following query leads to segfault |
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Maybe create an issue about that?
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Ok, though I did not see this test before as flaky. |
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Parse metadata in parallel when loading tables (cherry picked from commit 948af0b)
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…ables (#12233) Co-authored-by: Alexander Tokmakov <avtokmakov@sandbox-407922969>
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Parse metadata in parallel when loading tables (cherry picked from commit 948af0b)
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Parse tables metadata in parallel when loading database. This fixes slow server startup when there are large number of tables.
Fixes #11943