table: snapshot_on_all_shards: take snapshot_options

And pass the use_sstable_identifier down the stack
to the sstables layer.

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
This commit is contained in:
Benny Halevy
2025-11-23 14:40:59 +02:00
parent 420fb1fd53
commit 9b3fbedc8c
3 changed files with 16 additions and 12 deletions

View File

@@ -2815,7 +2815,7 @@ future<> database::snapshot_table_on_all_shards(sharded<database>& sharded_db, t
co_await flush_table_on_all_shards(sharded_db, uuid);
}
auto table_shards = co_await get_table_on_all_shards(sharded_db, uuid);
co_await table::snapshot_on_all_shards(sharded_db, table_shards, tag);
co_await table::snapshot_on_all_shards(sharded_db, table_shards, tag, opts);
}
future<> database::snapshot_tables_on_all_shards(sharded<database>& sharded_db, std::string_view ks_name, std::vector<sstring> table_names, sstring tag, db::snapshot_options opts) {
@@ -2951,7 +2951,8 @@ future<> database::truncate_table_on_all_shards(sharded<database>& sharded_db, s
auto truncated_at = truncated_at_opt.value_or(db_clock::now());
auto name = snapshot_name_opt.value_or(
format("{:d}-{}", truncated_at.time_since_epoch().count(), cf.schema()->cf_name()));
co_await table::snapshot_on_all_shards(sharded_db, table_shards, name);
auto opts = db::snapshot_options{}; // FIXME: use_sstable_identifier
co_await table::snapshot_on_all_shards(sharded_db, table_shards, name, opts);
}
co_await sharded_db.invoke_on_all([&] (database& db) {

View File

@@ -1040,12 +1040,12 @@ public:
private:
using snapshot_file_set = foreign_ptr<std::unique_ptr<std::unordered_set<sstring>>>;
future<snapshot_file_set> take_snapshot(sstring jsondir);
future<snapshot_file_set> take_snapshot(sstring jsondir, db::snapshot_options opts);
// Writes the table schema and the manifest of all files in the snapshot directory.
future<> finalize_snapshot(const global_table_ptr& table_shards, sstring jsondir, std::vector<snapshot_file_set> file_sets);
static future<> seal_snapshot(sstring jsondir, std::vector<snapshot_file_set> file_sets);
public:
static future<> snapshot_on_all_shards(sharded<database>& sharded_db, const global_table_ptr& table_shards, sstring name);
static future<> snapshot_on_all_shards(sharded<database>& sharded_db, const global_table_ptr& table_shards, sstring name, db::snapshot_options opts);
future<std::unordered_map<sstring, snapshot_details>> get_snapshot_details();
static future<snapshot_details> get_snapshot_details(std::filesystem::path snapshot_dir, std::filesystem::path datadir);

View File

@@ -3268,7 +3268,7 @@ future<> table::write_schema_as_cql(const global_table_ptr& table_shards, sstrin
}
// Runs the orchestration code on an arbitrary shard to balance the load.
future<> table::snapshot_on_all_shards(sharded<database>& sharded_db, const global_table_ptr& table_shards, sstring name) {
future<> table::snapshot_on_all_shards(sharded<database>& sharded_db, const global_table_ptr& table_shards, sstring name, db::snapshot_options opts) {
auto* so = std::get_if<storage_options::local>(&table_shards->get_storage_options().value);
if (so == nullptr) {
throw std::runtime_error("Snapshotting non-local tables is not implemented");
@@ -3291,7 +3291,7 @@ future<> table::snapshot_on_all_shards(sharded<database>& sharded_db, const glob
co_await io_check([&jsondir] { return recursive_touch_directory(jsondir); });
co_await coroutine::parallel_for_each(smp::all_cpus(), [&] (unsigned shard) -> future<> {
file_sets.emplace_back(co_await smp::submit_to(shard, [&] {
return table_shards->take_snapshot(jsondir);
return table_shards->take_snapshot(jsondir, opts);
}));
});
co_await io_check(sync_directory, jsondir);
@@ -3300,19 +3300,22 @@ future<> table::snapshot_on_all_shards(sharded<database>& sharded_db, const glob
});
}
future<table::snapshot_file_set> table::take_snapshot(sstring jsondir) {
tlogger.trace("take_snapshot {}", jsondir);
future<table::snapshot_file_set> table::take_snapshot(sstring jsondir, db::snapshot_options opts) {
tlogger.trace("take_snapshot {}: use_sstable_identifier={}", jsondir, opts.use_sstable_identifier);
auto sstable_deletion_guard = co_await get_sstable_list_permit();
auto tables = *_sstables->all() | std::ranges::to<std::vector<sstables::shared_sstable>>();
auto table_names = std::make_unique<std::unordered_set<sstring>>();
co_await _sstables_manager.dir_semaphore().parallel_for_each(tables, [&jsondir, &table_names] (sstables::shared_sstable sstable) {
table_names->insert(sstable->component_basename(sstables::component_type::Data));
return io_check([sstable, &dir = jsondir] {
return sstable->snapshot(dir);
auto& ks_name = schema()->ks_name();
auto& cf_name = schema()->cf_name();
co_await _sstables_manager.dir_semaphore().parallel_for_each(tables, [&, opts] (sstables::shared_sstable sstable) -> future<> {
auto gen = co_await io_check([sstable, &dir = jsondir, opts] {
return sstable->snapshot(dir, opts.use_sstable_identifier);
});
auto fname = sstable->component_basename(ks_name, cf_name, sstable->get_version(), gen, sstable->get_format(), sstables::component_type::Data);
table_names->insert(fname);
});
co_return make_foreign(std::move(table_names));
}