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Control memory growth from slow writes

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* Don't allow a write batch to grow without bound
* Don't fetch history if write load is high
This commit is contained in:
JoelKatz
2018-10-11 11:11:17 -07:00
committed by Nik Bougalis
parent 265f5f1fb1
commit 0d2b2923da
3 changed files with 18 additions and 3 deletions
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6
src/ripple/app/ledger/impl/LedgerMaster.cpp
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@@ -59,6 +59,9 @@ using namespace std::chrono_literals;
// Don't acquire history if ledger is too old
auto constexpr MAX_LEDGER_AGE_ACQUIRE = 1min;
// Don't acquire history if write load is too high
auto constexpr MAX_WRITE_LOAD_ACQUIRE = 8192;
LedgerMaster::LedgerMaster (Application& app, Stopwatch& stopwatch,
Stoppable& parent,
beast::insight::Collector::ptr const& collector, beast::Journal journal)
@@ -1680,7 +1683,8 @@ void LedgerMaster::doAdvance (ScopedLockType& sl)
if (!standalone_ && !app_.getFeeTrack().isLoadedLocal() &&
(app_.getJobQueue().getJobCount(jtPUBOLDLEDGER) < 10) &&
(mValidLedgerSeq == mPubLedgerSeq) &&
(getValidatedLedgerAge() < MAX_LEDGER_AGE_ACQUIRE))
(getValidatedLedgerAge() < MAX_LEDGER_AGE_ACQUIRE) &&
(app_.getNodeStore().getWriteLoad() < MAX_WRITE_LOAD_ACQUIRE))
{
// We are in sync, so can acquire
InboundLedger::Reason reason = InboundLedger::Reason::HISTORY;