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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "shared_threading_service.h"
#include <vespa/vespalib/util/blockingthreadstackexecutor.h>
#include <vespa/vespalib/util/threadstackexecutor.h>
#include <vespa/vespalib/util/cpu_usage.h>
#include <vespa/vespalib/util/sequencedtaskexecutor.h>
#include <vespa/vespalib/util/invokeserviceimpl.h>
#include <vespa/vespalib/util/nice.h>
using vespalib::CpuUsage;
using vespalib::steady_time;
VESPA_THREAD_STACK_TAG(proton_field_writer_executor)
VESPA_THREAD_STACK_TAG(proton_shared_executor)
VESPA_THREAD_STACK_TAG(proton_warmup_executor)
namespace proton {
SharedThreadingService::SharedThreadingService(const SharedThreadingServiceConfig& cfg,
FNET_Transport& transport,
storage::spi::BucketExecutor& bucket_executor)
: _transport(transport),
_warmup(std::make_unique<vespalib::ThreadStackExecutor>(cfg.warmup_threads(),
CpuUsage::wrap(proton_warmup_executor, CpuUsage::Category::COMPACT),
cfg.shared_task_limit())),
_shared(std::make_shared<vespalib::BlockingThreadStackExecutor>(cfg.shared_threads(),
cfg.shared_task_limit(), vespalib::be_nice(proton_shared_executor, cfg.feeding_niceness()))),
_field_writer(),
_invokeService(std::make_unique<vespalib::InvokeServiceImpl>(std::max(vespalib::adjustTimeoutByDetectedHz(1ms),
cfg.field_writer_config().reactionTime()))),
_invokeRegistrations(),
_bucket_executor(bucket_executor),
_clock(dynamic_cast<const vespalib::InvokeServiceImpl &>(*_invokeService).nowRef())
{
const auto& fw_cfg = cfg.field_writer_config();
_field_writer = vespalib::SequencedTaskExecutor::create(vespalib::be_nice(CpuUsage::wrap(proton_field_writer_executor, CpuUsage::Category::WRITE), cfg.feeding_niceness()),
cfg.field_writer_threads(),
fw_cfg.defaultTaskLimit(),
fw_cfg.is_task_limit_hard(),
fw_cfg.optimize(),
fw_cfg.kindOfwatermark());
if (fw_cfg.optimize() == vespalib::Executor::OptimizeFor::THROUGHPUT) {
_invokeRegistrations.push_back(_invokeService->registerInvoke([executor = _field_writer.get()]() {
executor->wakeup();
}));
}
}
SharedThreadingService::~SharedThreadingService() = default;
void
SharedThreadingService::sync_all_executors() {
_warmup->sync();
_shared->sync();
if (_field_writer) {
_field_writer->sync_all();
}
}
}
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