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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "feedstates.h"
#include "feedconfigstore.h"
#include "ifeedview.h"
#include "ireplayconfig.h"
#include "replaypacketdispatcher.h"
#include "replay_throttling_policy.h"
#include <vespa/searchcore/proton/bucketdb/ibucketdbhandler.h>
#include <vespa/searchcore/proton/feedoperation/operations.h>
#include <vespa/searchcore/proton/common/eventlogger.h>
#include <vespa/searchcore/proton/common/replay_feed_token_factory.h>
#include <vespa/vespalib/util/idestructorcallback.h>
#include <vespa/vespalib/util/lambdatask.h>
#include <vespa/vespalib/util/shared_operation_throttler.h>
#include <cassert>
#include <vespa/log/log.h>
LOG_SETUP(".proton.server.feedstates");
using search::transactionlog::Packet;
using search::transactionlog::client::RPC;
using search::SerialNum;
using vespalib::Executor;
using vespalib::makeLambdaTask;
using vespalib::IDestructorCallback;
using vespalib::SharedOperationThrottler;
using vespalib::make_string;
using proton::bucketdb::IBucketDBHandler;
namespace proton {
namespace {
const search::SerialNum REPLAY_PROGRESS_INTERVAL = 50000;
void
handleProgress(TlsReplayProgress &progress, SerialNum currentSerial)
{
progress.updateCurrent(currentSerial);
if (LOG_WOULD_LOG(event) && (LOG_WOULD_LOG(debug) ||
(progress.getCurrent() % REPLAY_PROGRESS_INTERVAL == 0)))
{
EventLogger::transactionLogReplayProgress(progress.getDomainName(),
progress.getProgress(),
progress.getFirst(),
progress.getLast(),
progress.getCurrent());
}
}
class TransactionLogReplayPacketHandler : public IReplayPacketHandler {
IFeedView *& _feed_view_ptr; // Pointer can be changed in executor thread.
IBucketDBHandler &_bucketDBHandler;
IReplayConfig &_replay_config;
FeedConfigStore &_config_store;
IIncSerialNum &_inc_serial_num;
CommitTimeTracker _commitTimeTracker;
std::unique_ptr<SharedOperationThrottler> _throttler;
std::unique_ptr<feedtoken::ReplayFeedTokenFactory> _replay_feed_token_factory;
static std::unique_ptr<SharedOperationThrottler> make_throttler(const ReplayThrottlingPolicy& replay_throttling_policy) {
auto& params = replay_throttling_policy.get_params();
if (!params.has_value()) {
return SharedOperationThrottler::make_unlimited_throttler();
}
return SharedOperationThrottler::make_dynamic_throttler(params.value());
}
public:
TransactionLogReplayPacketHandler(IFeedView *& feed_view_ptr,
IBucketDBHandler &bucketDBHandler,
IReplayConfig &replay_config,
FeedConfigStore &config_store,
const ReplayThrottlingPolicy& replay_throttling_policy,
IIncSerialNum &inc_serial_num)
: _feed_view_ptr(feed_view_ptr),
_bucketDBHandler(bucketDBHandler),
_replay_config(replay_config),
_config_store(config_store),
_inc_serial_num(inc_serial_num),
_commitTimeTracker(5ms),
_throttler(make_throttler(replay_throttling_policy)),
_replay_feed_token_factory(std::make_unique<feedtoken::ReplayFeedTokenFactory>(true))
{ }
~TransactionLogReplayPacketHandler() override = default;
FeedToken make_replay_feed_token(const FeedOperation& op) {
SharedOperationThrottler::Token throttler_token = _throttler->blocking_acquire_one();
return _replay_feed_token_factory->make_replay_feed_token(std::move(throttler_token), op);
}
void replay(const PutOperation &op) override {
_feed_view_ptr->handlePut(make_replay_feed_token(op), op);
}
void replay(const RemoveOperation &op) override {
_feed_view_ptr->handleRemove(make_replay_feed_token(op), op);
}
void replay(const UpdateOperation &op) override {
_feed_view_ptr->handleUpdate(make_replay_feed_token(op), op);
}
void replay(const NoopOperation &) override {} // ignored
void replay(const NewConfigOperation &op) override {
_replay_config.replayConfig(op.getSerialNum());
}
void replay(const DeleteBucketOperation &op) override {
_feed_view_ptr->handleDeleteBucket(op, make_replay_feed_token(op));
}
void replay(const SplitBucketOperation &op) override {
_bucketDBHandler.handleSplit(op.getSerialNum(), op.getSource(),
op.getTarget1(), op.getTarget2());
}
void replay(const JoinBucketsOperation &op) override {
_bucketDBHandler.handleJoin(op.getSerialNum(), op.getSource1(),
op.getSource2(), op.getTarget());
}
void replay(const PruneRemovedDocumentsOperation &op) override {
_feed_view_ptr->handlePruneRemovedDocuments(op, make_replay_feed_token(op));
}
void replay(const MoveOperation &op) override {
_feed_view_ptr->handleMove(op, make_replay_feed_token(op));
}
void replay(const CreateBucketOperation &) override {
}
void replay(const CompactLidSpaceOperation &op) override {
_feed_view_ptr->handleCompactLidSpace(op, make_replay_feed_token(op));
}
NewConfigOperation::IStreamHandler &getNewConfigStreamHandler() override {
return _config_store;
}
const document::DocumentTypeRepo &getDeserializeRepo() override {
return *_feed_view_ptr->getDocumentTypeRepo();
}
void check_serial_num(search::SerialNum serial_num) override {
auto exp_serial_num = _inc_serial_num.inc_serial_num();
if (exp_serial_num != serial_num) {
LOG(warning, "Expected replay serial number %" PRIu64 ", got serial number %" PRIu64, exp_serial_num, serial_num);
assert(exp_serial_num == serial_num);
}
}
void optionalCommit(search::SerialNum serialNum) override {
if (_commitTimeTracker.needCommit()) {
_feed_view_ptr->forceCommit(serialNum);
}
}
};
class PacketDispatcher {
public:
PacketDispatcher(IReplayPacketHandler *packet_handler)
: _packet_handler(packet_handler)
{}
void handlePacket(PacketWrapper & wrap);
private:
void handleEntry(const Packet::Entry &entry);
IReplayPacketHandler *_packet_handler;
};
void
PacketDispatcher::handlePacket(PacketWrapper & wrap)
{
vespalib::nbostream_longlivedbuf handle(wrap.packet.getHandle().data(), wrap.packet.getHandle().size());
while ( !handle.empty() ) {
Packet::Entry entry;
entry.deserialize(handle);
handleEntry(entry);
if (wrap.progress != nullptr) {
handleProgress(*wrap.progress, entry.serial());
}
}
wrap.result = RPC::OK;
wrap.gate.countDown();
}
void
PacketDispatcher::handleEntry(const Packet::Entry &entry) {
// Called by handlePacket() in executor thread.
LOG(spam, "replay packet entry: entrySerial(%" PRIu64 "), entryType(%u)", entry.serial(), entry.type());
auto entry_serial_num = entry.serial();
_packet_handler->check_serial_num(entry_serial_num);
ReplayPacketDispatcher dispatcher(*_packet_handler);
dispatcher.replayEntry(entry);
_packet_handler->optionalCommit(entry_serial_num);
}
} // namespace
ReplayTransactionLogState::ReplayTransactionLogState(
const vespalib::string &name,
IFeedView *& feed_view_ptr,
IBucketDBHandler &bucketDBHandler,
IReplayConfig &replay_config,
FeedConfigStore &config_store,
const ReplayThrottlingPolicy &replay_throttling_policy,
IIncSerialNum& inc_serial_num)
: FeedState(REPLAY_TRANSACTION_LOG),
_doc_type_name(name),
_packet_handler(std::make_unique<TransactionLogReplayPacketHandler>(feed_view_ptr, bucketDBHandler, replay_config, config_store, replay_throttling_policy, inc_serial_num))
{ }
ReplayTransactionLogState::~ReplayTransactionLogState() = default;
void
ReplayTransactionLogState::receive(const PacketWrapper::SP &wrap, Executor &executor) {
executor.execute(makeLambdaTask([this, wrap = wrap] () {
PacketDispatcher dispatcher(_packet_handler.get());
dispatcher.handlePacket(*wrap);
}));
}
} // namespace proton
|
