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(Reverted by #4882) Asynchronously write batches to NuDB. #4503

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merged 2 commits into from
Sep 11, 2023
Merged

(Reverted by #4882) Asynchronously write batches to NuDB. #4503

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dd53d45
Asynchronously write batches to NuDB.
mtrippled Apr 20, 2023
b1048fb
Merge branch 'develop' into batch-write
manojsdoshi Aug 18, 2023
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3 changes: 2 additions & 1 deletion src/ripple/nodestore/Types.h
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Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,9 @@ enum {
// This sets a limit on the maximum number of writes
// in a batch. Actual usage can be twice this since
// we have a new batch growing as we write the old.
// The main goal is to avoid delays while persisting the ledger.
//
batchWriteLimitSize = 65536
batchWriteLimitSize = 262144
};

/** Return codes from Backend operations. */
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22 changes: 13 additions & 9 deletions src/ripple/nodestore/backend/NuDBFactory.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
#include <ripple/basics/contract.h>
#include <ripple/nodestore/Factory.h>
#include <ripple/nodestore/Manager.h>
#include <ripple/nodestore/impl/BatchWriter.h>
#include <ripple/nodestore/impl/DecodedBlob.h>
#include <ripple/nodestore/impl/EncodedBlob.h>
#include <ripple/nodestore/impl/codec.h>
Expand All @@ -35,7 +36,7 @@
namespace ripple {
namespace NodeStore {

class NuDBBackend : public Backend
class NuDBBackend : public Backend, public BatchWriter::Callback
{
public:
static constexpr std::uint64_t currentType = 1;
Expand All @@ -46,6 +47,7 @@ class NuDBBackend : public Backend

beast::Journal const j_;
size_t const keyBytes_;
BatchWriter batch_;
std::size_t const burstSize_;
std::string const name_;
nudb::store db_;
Expand All @@ -60,6 +62,7 @@ class NuDBBackend : public Backend
beast::Journal journal)
: j_(journal)
, keyBytes_(keyBytes)
, batch_(*this, scheduler)
, burstSize_(burstSize)
, name_(get(keyValues, "path"))
, deletePath_(false)
Expand All @@ -79,6 +82,7 @@ class NuDBBackend : public Backend
beast::Journal journal)
: j_(journal)
, keyBytes_(keyBytes)
, batch_(*this, scheduler)
, burstSize_(burstSize)
, name_(get(keyValues, "path"))
, db_(context)
Expand Down Expand Up @@ -262,13 +266,7 @@ class NuDBBackend : public Backend
void
store(std::shared_ptr<NodeObject> const& no) override
{
BatchWriteReport report;
report.writeCount = 1;
auto const start = std::chrono::steady_clock::now();
do_insert(no);
report.elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - start);
scheduler_.onBatchWrite(report);
batch_.store(no);
}

void
Expand Down Expand Up @@ -329,7 +327,7 @@ class NuDBBackend : public Backend
int
getWriteLoad() override
{
return 0;
return batch_.getWriteLoad();
}

void
Expand Down Expand Up @@ -357,6 +355,12 @@ class NuDBBackend : public Backend
Throw<nudb::system_error>(ec);
}

void
writeBatch(Batch const& batch) override
{
storeBatch(batch);
}

int
fdRequired() const override
{
Expand Down