From eb3079e2ec2969829cbc5b6921575d53df351f0f Mon Sep 17 00:00:00 2001 From: Dan Engelbrecht Date: Tue, 24 Feb 2026 16:10:36 +0100 Subject: use partial blocks for oplog import (#780) Feature: Add --allow-partial-block-requests to zen oplog-import Improvement: zen oplog-import now uses partial block requests to reduce download size Improvement: Use latency to Cloud Storage host and Zen Cache host when calculating partial block requests --- src/zenremotestore/partialblockrequestmode.cpp | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/zenremotestore/partialblockrequestmode.cpp (limited to 'src/zenremotestore/partialblockrequestmode.cpp') diff --git a/src/zenremotestore/partialblockrequestmode.cpp b/src/zenremotestore/partialblockrequestmode.cpp new file mode 100644 index 000000000..b3edf515b --- /dev/null +++ b/src/zenremotestore/partialblockrequestmode.cpp @@ -0,0 +1,27 @@ +// Copyright Epic Games, Inc. All Rights Reserved. + +#include + +#include + +namespace zen { + +EPartialBlockRequestMode +PartialBlockRequestModeFromString(const std::string_view ModeString) +{ + switch (HashStringAsLowerDjb2(ModeString)) + { + case HashStringDjb2("false"): + return EPartialBlockRequestMode::Off; + case HashStringDjb2("zencacheonly"): + return EPartialBlockRequestMode::ZenCacheOnly; + case HashStringDjb2("mixed"): + return EPartialBlockRequestMode::Mixed; + case HashStringDjb2("true"): + return EPartialBlockRequestMode::All; + default: + return EPartialBlockRequestMode::Invalid; + } +} + +} // namespace zen -- cgit v1.2.3