[BUG] Bulk loading SF300 takes >4h and causes OOM when open the graph

[liulx20]

• Run Bulk Loader

./tools/utils/bulk_loader -g graph.yaml -l import.yaml -d db-sf300 -p 192

• Log output:

W20260402 20:17:58.853390 2581016 types.h:559] var_char is deprecated, use long_text instead.
I20260402 21:40:30.373515 2581016 abstract_property_graph_loader.cc:182] Finished loading edges
I20260402 21:44:08.669917 2581016 property_graph.cc:973] Compaction completed.
I20260403 00:14:23.269536 2581016 property_graph.cc:1050] Dump graph to /data/0107/db-sf300-4/checkpoint/
I20260403 00:20:57.535560 2581016 bulk_loader.cc:191] Finished bulk loading in 14578.7 seconds.

• Start the server

./bin/rt_server -d $DATA_DIR -m 3 -s 192 --host 0.0.0.0 

• Log output:

W20260403 10:12:27.061918 2627327 anon_mmap_container.cc:134] Failed to allocate hugepages, falling back to regular mmap
E20260403 10:12:27.062142 2627327 neug_db.cc:222] Exception: Runtime exception: Failed to allocate memory at /data/0107/overflow/src/storages/container/anon_mmap_container.cc:139 func: try_allocate_hugepages, Error Code: 1012
terminate called after throwing an instance of 'neug::exception::InternalException'
  what():  Runtime exception: Failed to allocate memory at /data/0107/overflow/src/storages/container/anon_mmap_container.cc:139 func: try_allocate_hugepages, Error Code: 1012 at /data/0107/overflow/src/main/neug_db.cc:223 func: openGraphAndSchema, Error Code: 1012

Thread 1 "rt_server" received signal SIGABRT, Aborted.

[zhanglei1949]

I20260403 20:10:42.546255 2883252 bulk_loader.cc:191] Finished bulk loading in 5504.4 seconds.

[zhanglei1949]

Current main:

I20260407 19:45:24.384658 3332325 bulk_loader.cc:191] Finished bulk loading in 13160.9 seconds.