The sstables write path has been partially de-futurized, but now creates a
ton of threads, and yet does not exploit this as everything is serialized.
Remove those extra threads and futures and use a single thread to write
everything. If needed, we'll employ write-behind in output_stream to
increase parallelism.
Reviewed-by: Nadav Har'El <nyh@cloudius-systems.com>
All sharded services "should" define a stop method. Calling them is also
a good practice. For this one specifically, though, we will not call stop.
We miss a good way to add a Deleter to a shared_ptr class, and that would
be the only reliable way to tie into its lifetime.
Signed-off-by: Glauber Costa <glommer@cloudius-systems.com>
Use the provided filter instead of always returning true. For existing tables,
this arrives from the bloom filter file. We don't yet fully write a bloom
filter file.
Signed-off-by: Glauber Costa <glommer@cloudius-systems.com>
