bchapuis commented on issue #688:
URL: 
https://github.com/apache/incubator-baremaps/issues/688#issuecomment-1596268452

   I have been able to export all the tiles in a MBTiles file (~150GB). I 
believe this issue may be related to the configuration of postgresql. Here are 
some of the custom settings configured in the postgres.conf files:
   
   ```
   work_mem = 4GB
   shared_buffers = 4GB maintenance_work_mem = 16GB autovacuum_work_mem = 4GB 
max_worker_processes = 16 max_parallel_workers_per_gather = 8
   max_parallel_workers = 16 wal_level = minimal
   checkpoint_timeout = 10min max_wal_size = 20GB
   min_wal_size = 80MB
   checkpoint_completion_target = 0.9 max_wal_senders = 0
   ```


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