James Pang <jamespang886@xxxxxxxxx> writes: > PGv14, it's a time range partition table, we first create index ... on > ONLY parent table and it's done very fast, then we are doing "create index > concurrently ... on each partition table", then we saw it blocked by some > other sessopm "select on other tables" , is it expected ? Yes, read the documentation. CONCURRENTLY avoids blocking other transactions, at the cost of being easily blocked itself. regards, tom lane
