awitt
No user record in our sample, but awitt has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
No user record in our sample, but awitt has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
Yes, that's true. And not even ClickHouse considers their MergeTree engine to be an LSM-tree (see https://github.com/ClickHouse/ClickHouse/blob/bfc0260f359a0c...). That doesn't make it wrong, or a bad architecture. It…
I actually think you're describing a WAL.
The original purpose of an LSM-tree is to take I/O off the critical path of a write (there are other reasons to use them though, for example reducing space amplification). I would argue that by definition an LSM-tree…
LSM-trees do need a WAL. The entire idea of LSM-trees is that writes are buffered in memory and written out all at once. But a particular write doesn't wait for the memtable to be flushed. For that reason you still need…