diff options
| -rw-r--r-- | src/backend/commands/vacuumlazy.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/backend/commands/vacuumlazy.c b/src/backend/commands/vacuumlazy.c index 1951aa94fb1..881c7356db3 100644 --- a/src/backend/commands/vacuumlazy.c +++ b/src/backend/commands/vacuumlazy.c @@ -4,11 +4,10 @@ * Concurrent ("lazy") vacuuming. * * - * The major space usage for LAZY VACUUM is storage for the array of dead - * tuple TIDs, with the next biggest need being storage for per-disk-page - * free space info. We want to ensure we can vacuum even the very largest - * relations with finite memory space usage. To do that, we set upper bounds - * on the number of tuples and pages we will keep track of at once. + * The major space usage for LAZY VACUUM is storage for the array of dead tuple + * TIDs. We want to ensure we can vacuum even the very largest relations with + * finite memory space usage. To do that, we set upper bounds on the number of + * tuples we will keep track of at once. * * We are willing to use at most maintenance_work_mem (or perhaps * autovacuum_work_mem) memory space to keep track of dead tuples. We |