when i enter kraken2-build --build --threads 14 --db /mnt/shujuku/krakencustom --max-db-size 58 for a custom database(archaea, bacteria, viral, fungi, protozoa), i just build a very small custom database.
Creating sequence ID to taxonomy ID map (step 1)...
Sequence ID to taxonomy ID map complete. [0.380s]
Estimating required capacity (step 2)...
Estimated hash table requirement: 68276765256 bytes
Specifying lower maximum hash table size of 58 bytes
Capacity estimation complete. [38m57.160s]
Building database files (step 3)...
Taxonomy parsed and converted.
CHT created with 16 bits reserved for taxid.
Completed processing of 114931 sequences, 155072479111 bp
Writing data to disk... complete.
Database files completed. [2h12m18.045s]
Database construction complete. [Total: 2h51m15.644s]
when i enter
kraken2-build --build --threads 14 --db /mnt/shujuku/krakencustom --max-db-size 58
for a custom database(archaea, bacteria, viral, fungi, protozoa), i just build a very small custom database.Creating sequence ID to taxonomy ID map (step 1)... Sequence ID to taxonomy ID map complete. [0.380s] Estimating required capacity (step 2)... Estimated hash table requirement: 68276765256 bytes Specifying lower maximum hash table size of 58 bytes Capacity estimation complete. [38m57.160s] Building database files (step 3)... Taxonomy parsed and converted. CHT created with 16 bits reserved for taxid. Completed processing of 114931 sequences, 155072479111 bp Writing data to disk... complete. Database files completed. [2h12m18.045s] Database construction complete. [Total: 2h51m15.644s]