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62 | 62 | # (change requires restart)
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63 | 63 | #port = 5432 # (change requires restart)
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64 | 64 | #max_connections = 100 # (change requires restart)
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65 |
| -# Note: Increasing max_connections costs ~400 bytes of shared memory per |
66 |
| -# connection slot, plus lock space (see max_locks_per_transaction). |
67 | 65 | #superuser_reserved_connections = 3 # (change requires restart)
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68 | 66 | #unix_socket_directories = '/tmp' # comma-separated list of directories
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69 | 67 | # (change requires restart)
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119 | 117 | #temp_buffers = 8MB # min 800kB
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120 | 118 | #max_prepared_transactions = 0 # zero disables the feature
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121 | 119 | # (change requires restart)
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122 |
| -# Note: Increasing max_prepared_transactions costs ~600 bytes of shared memory |
123 |
| -# per transaction slot, plus lock space (see max_locks_per_transaction). |
124 |
| -# It is not advisable to set max_prepared_transactions nonzero unless you |
125 |
| -# actively intend to use prepared transactions. |
| 120 | +# Caution: it is not advisable to set max_prepared_transactions nonzero unless |
| 121 | +# you actively intend to use prepared transactions. |
126 | 122 | #work_mem = 4MB # min 64kB
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127 | 123 | #maintenance_work_mem = 64MB # min 1MB
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128 | 124 | #replacement_sort_tuples = 150000 # limits use of replacement selection sort
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593 | 589 | #deadlock_timeout = 1s
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594 | 590 | #max_locks_per_transaction = 64 # min 10
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595 | 591 | # (change requires restart)
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596 |
| -# Note: Each lock table slot uses ~270 bytes of shared memory, and there are |
597 |
| -# max_locks_per_transaction * (max_connections + max_prepared_transactions) |
598 |
| -# lock table slots. |
599 | 592 | #max_pred_locks_per_transaction = 64 # min 10
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600 | 593 | # (change requires restart)
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601 | 594 |
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