Anonymous
Anonymous Asked in Cars &Transportation · 2 weeks ago

Can multiple processes write to SQLite?

Contents
  1. Can SQLite handle concurrent writes?
  2. What are the limitations of SQLite?
  3. Why is SQLite not good for production?
  4. Can I use SQLite for production?
SQLite allows multiple processes to have the database file open at once, and for multiple processes to read the database at once. When any process wants to write, it must lock the entire database file for the duration of its update. But that normally only takes a few milliseconds.


Can SQLite handle concurrent writes?

Overview. Usually, SQLite allows at most one writer to proceed concurrently. The BEGIN CONCURRENT enhancement allows multiple writers to process write transactions simultanously if the database is in "wal" or "wal2" mode, although the system still serializes COMMIT commands.

What are the limitations of SQLite?

An SQLite database is limited in size to 281 terabytes (248 bytes, 256 tibibytes). And even if it could handle larger databases, SQLite stores the entire database in a single disk file and many filesystems limit the maximum size of files to something less than this.

Why is SQLite not good for production?

Long answer: It is said you can't use SQLite in production because it doesn't support concurrency (no more than one user can be writing to the database at the same time) and it can't scale.

Can I use SQLite for production?

SQLite works great as the database engine for most low to medium traffic websites (which is to say, most websites). The amount of web traffic that SQLite can handle depends on how heavily the website uses its database. Generally speaking, any site that gets fewer than 100K hits/day should work fine with SQLite.

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