arizn-network/arizndb

Parity DB

Fast and reliable database, optimised for read operations.

Database options

• journal eras (usize)
• preallocated memory (u64)
• extend threshold in % (u8)

Database properties

• version (u32)
• used memory (u64)

get operation

• check cache
• check journal
• read from memmap

commit operation

• create and push new journal era

flush operation

• create virtual commit from final journal eras
• delete journal eras
• copy content of virtual commit to memmap
• delete virtual commit

rollback operation

• pop and delete journal era

recover operation

• if valid virtual commit exists copy it to memmap and delete
• delete all invalid journal eras