blob: 18e40b156e0d437afff7e2eb0faa07ec52bc0feb (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/storage/distributor/maintenance/prioritizedbucket.h>
#include <vespa/storage/distributor/maintenance/simplemaintenancescanner.h>
#include <vespa/storage/distributor/operationstarter.h>
namespace storage::distributor {
class MaintenanceOperationGenerator;
class BucketPriorityDatabase;
class PendingWindowChecker;
class MaintenanceScheduler
{
public:
enum SchedulingMode {
RECOVERY_SCHEDULING_MODE,
NORMAL_SCHEDULING_MODE
};
using WaitTimeMs = int;
MaintenanceScheduler(MaintenanceOperationGenerator& operationGenerator,
BucketPriorityDatabase& priorityDb,
const PendingWindowChecker& pending_window_checker,
OperationStarter& operationStarter);
WaitTimeMs tick(SchedulingMode currentMode);
void set_implicitly_clear_priority_on_schedule(bool implicitly_clear) noexcept {
_implicitly_clear_priority_on_schedule = implicitly_clear;
}
[[nodiscard]] bool implicitly_clear_priority_on_schedule() const noexcept {
return _implicitly_clear_priority_on_schedule;
}
private:
MaintenanceScheduler(const MaintenanceScheduler&);
MaintenanceScheduler& operator=(const MaintenanceScheduler&);
PrioritizedBucket getMostImportantBucket();
bool possibleToSchedule(const PrioritizedBucket& bucket, SchedulingMode currentMode) const;
bool possibleToScheduleInEmergency(const PrioritizedBucket& bucket) const;
void clearPriority(const PrioritizedBucket& bucket);
bool startOperation(const PrioritizedBucket& bucket);
OperationStarter::Priority convertToOperationPriority(MaintenancePriority::Priority priority) const;
bool has_bucket_activation_priority(const PrioritizedBucket&) const noexcept;
MaintenanceOperationGenerator& _operationGenerator;
BucketPriorityDatabase& _priorityDb;
const PendingWindowChecker& _pending_window_checker;
OperationStarter& _operationStarter;
bool _implicitly_clear_priority_on_schedule;
};
}
|