blob: 5a3a671553cdc2719da00d6b547771ae4b176991 (
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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/searchcorespi/flush/iflushtarget.h>
#include <vespa/searchlib/common/tunefileinfo.h>
#include <vespa/searchcore/proton/common/hw_info.h>
namespace search::common { class FileHeaderContext; }
namespace proton {
class AttributeDirectory;
class AttributeDiskLayout;
class DocumentMetaStore;
class ITlsSyncer;
class TransientResourceUsage;
/**
* Implementation of IFlushTarget interface for document meta store.
**/
class DocumentMetaStoreFlushTarget : public searchcorespi::LeafFlushTarget
{
private:
/**
* Task performing the actual flushing to disk.
**/
class Flusher;
using DocumentMetaStoreSP = std::shared_ptr<DocumentMetaStore>;
using FlushStats = searchcorespi::FlushStats;
DocumentMetaStoreSP _dms;
ITlsSyncer &_tlsSyncer;
vespalib::string _baseDir;
bool _cleanUpAfterFlush;
FlushStats _lastStats;
const search::TuneFileAttributes _tuneFileAttributes;
const search::common::FileHeaderContext &_fileHeaderContext;
HwInfo _hwInfo;
std::shared_ptr<AttributeDiskLayout> _diskLayout;
std::shared_ptr<AttributeDirectory> _dmsDir;
public:
using SP = std::shared_ptr<DocumentMetaStoreFlushTarget>;
/**
* Creates a new instance using the given attribute vector and the
* given base dir where all attribute vectors are located.
**/
DocumentMetaStoreFlushTarget(const DocumentMetaStoreSP dms, ITlsSyncer &tlsSyncer,
const vespalib::string &baseDir, const search::TuneFileAttributes &tuneFileAttributes,
const search::common::FileHeaderContext &fileHeaderContext, const HwInfo &hwInfo);
~DocumentMetaStoreFlushTarget() override;
void setCleanUpAfterFlush(bool cleanUp) { _cleanUpAfterFlush = cleanUp; }
TransientResourceUsage get_transient_resource_usage() const;
MemoryGain getApproxMemoryGain() const override;
DiskGain getApproxDiskGain() const override;
Time getLastFlushTime() const override;
SerialNum getFlushedSerialNum() const override;
Task::UP initFlush(SerialNum currentSerial, std::shared_ptr<search::IFlushToken> flush_token) override;
FlushStats getLastFlushStats() const override { return _lastStats; }
static void initCleanup(const vespalib::string &baseDir);
uint64_t getApproxBytesToWriteToDisk() const override;
};
} // namespace proton
|
