Files
scylladb/service/task_manager_module.hh
Nikos Dragazis 295e434781 distributed_loader: Link resharding tasks to migration virtual task
When a table is loaded on startup during a vnodes-to-tablets migration
(forward or rollback), the `table_populator` runs a resharding
compaction.

Set the migration virtual task as parent of the resharding task. This
enables users to easily find all node-local resharding tasks related to
a particular migration.

Make `migration_virtual_task::make_task_id()` public so that the
`distributed_loader` can compute the migration's task ID.

Signed-off-by: Nikos Dragazis <nikolaos.dragazis@scylladb.com>
2026-04-17 20:59:05 +03:00

125 lines
4.7 KiB
C++

/*
* Copyright (C) 2024-present ScyllaDB
*/
/*
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
*/
#pragma once
#include "schema/schema_fwd.hh"
#include "tasks/task_manager.hh"
namespace locator {
class tablet_id;
enum class tablet_task_type;
class tablet_replica;
}
namespace service {
class status_helper;
class storage_service;
class tablet_virtual_task : public tasks::task_manager::virtual_task::impl {
private:
storage_service& _ss;
private:
static constexpr auto TABLE_ID = "table_id";
public:
tablet_virtual_task(tasks::task_manager::module_ptr module,
service::storage_service& ss)
: tasks::task_manager::virtual_task::impl(std::move(module))
, _ss(ss)
{}
virtual tasks::task_manager::task_group get_group() const noexcept override;
virtual future<std::optional<tasks::virtual_task_hint>> contains(tasks::task_id task_id) const override;
virtual future<tasks::is_abortable> is_abortable(tasks::virtual_task_hint hint) const override;
virtual future<std::optional<tasks::task_status>> get_status(tasks::task_id id, tasks::virtual_task_hint hint) override;
virtual future<std::optional<tasks::task_status>> wait(tasks::task_id id, tasks::virtual_task_hint hint) override;
virtual future<> abort(tasks::task_id id, tasks::virtual_task_hint hint) noexcept override;
virtual future<std::vector<tasks::task_stats>> get_stats() override;
private:
std::vector<table_id> get_table_ids() const;
future<std::optional<status_helper>> get_status_helper(tasks::task_id id, tasks::virtual_task_hint hint);
};
class task_manager_module : public tasks::task_manager::module {
private:
service::storage_service& _ss;
public:
task_manager_module(tasks::task_manager& tm, service::storage_service& ss) noexcept;
std::set<locator::host_id> get_nodes() const override;
};
namespace topo {
class global_topology_request_virtual_task : public tasks::task_manager::virtual_task::impl {
private:
service::storage_service& _ss;
public:
global_topology_request_virtual_task(tasks::task_manager::module_ptr module,
service::storage_service& ss)
: tasks::task_manager::virtual_task::impl(std::move(module))
, _ss(ss)
{}
virtual tasks::task_manager::task_group get_group() const noexcept override;
virtual future<std::optional<tasks::virtual_task_hint>> contains(tasks::task_id task_id) const override;
virtual future<tasks::is_abortable> is_abortable(tasks::virtual_task_hint hint) const override;
virtual future<std::optional<tasks::task_status>> get_status(tasks::task_id id, tasks::virtual_task_hint hint) override;
virtual future<std::optional<tasks::task_status>> wait(tasks::task_id id, tasks::virtual_task_hint hint) override;
virtual future<> abort(tasks::task_id id, tasks::virtual_task_hint hint) noexcept override;
virtual future<std::vector<tasks::task_stats>> get_stats() override;
};
class task_manager_module : public tasks::task_manager::module {
public:
task_manager_module(tasks::task_manager& tm) noexcept;
};
}
namespace vnodes_to_tablets {
class migration_virtual_task : public tasks::task_manager::virtual_task::impl {
private:
service::storage_service& _ss;
public:
migration_virtual_task(tasks::task_manager::module_ptr module,
service::storage_service& ss)
: tasks::task_manager::virtual_task::impl(std::move(module))
, _ss(ss)
{}
virtual tasks::task_manager::task_group get_group() const noexcept override;
virtual future<std::optional<tasks::virtual_task_hint>> contains(tasks::task_id task_id) const override;
virtual future<std::optional<tasks::task_status>> get_status(tasks::task_id id, tasks::virtual_task_hint hint) override;
virtual future<std::optional<tasks::task_status>> wait(tasks::task_id id, tasks::virtual_task_hint hint) override;
virtual future<> abort(tasks::task_id id, tasks::virtual_task_hint hint) noexcept override;
virtual future<std::vector<tasks::task_stats>> get_stats() override;
static tasks::task_id make_task_id(const sstring& keyspace);
private:
std::optional<sstring> find_keyspace_for_task_id(tasks::task_id id) const;
static tasks::task_stats make_task_stats(tasks::task_id id, const sstring& keyspace);
static tasks::task_status make_task_status(tasks::task_id id, const sstring& keyspace,
tasks::task_manager::task_state state,
tasks::task_manager::task::progress progress);
};
class task_manager_module : public tasks::task_manager::module {
private:
service::storage_service& _ss;
public:
task_manager_module(tasks::task_manager& tm, service::storage_service& ss) noexcept;
std::set<locator::host_id> get_nodes() const override;
};
}
}