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Chris LuandClaude Opus 5.5
aa901b7ac7
* s3tables: create a missing directory exclusively in ensureDirectory ensureDirectory looked the path up and, when it was missing, created it with a plain CreateEntry. A table create that lost the lookup race then replaced the directory another create had made, claimed and confirmed since, erasing that table's record, so a third create could claim the name and win as well. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * iceberg: create missing metadata parent directories exclusively saveMetadataBlob created each missing directory on the way to the metadata directory with a plain CreateEntry after a lookup. A table directory another create had made and written its record onto since the lookup was replaced by a bare directory, erasing that record. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * iceberg: create missing stage-create marker directories exclusively The marker path starts at the table bucket directory, which carries the bucket record; a plain create after a missed lookup replaces a directory another writer made in between, with whatever it carries. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>