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-rw-r--r--src/libstore/binary-cache-store.cc2
-rw-r--r--src/libstore/globals.hh3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/libstore/binary-cache-store.cc b/src/libstore/binary-cache-store.cc
index ab971dd8b..d34adbd60 100644
--- a/src/libstore/binary-cache-store.cc
+++ b/src/libstore/binary-cache-store.cc
@@ -149,7 +149,7 @@ void BinaryCacheStore::addToStore(const ValidPathInfo & info, const ref<std::str
/* Compress the NAR. */
narInfo->compression = compression;
auto now1 = std::chrono::steady_clock::now();
- auto narCompressed = compress(compression, *nar);
+ auto narCompressed = compress(compression, *nar, settings.parallelCompression);
auto now2 = std::chrono::steady_clock::now();
narInfo->fileHash = hashString(htSHA256, *narCompressed);
narInfo->fileSize = narCompressed->size();
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 20ac8fe4e..aafec2ea2 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -174,6 +174,9 @@ public:
"Whether to compress logs.",
{"build-compress-log"}};
+ Setting<bool> parallelCompression{this, false, "parallel-compression",
+ "Whether to enable parallel compression, only supported with xz currently"};
+
Setting<unsigned long> maxLogSize{this, 0, "max-build-log-size",
"Maximum number of bytes a builder can write to stdout/stderr "
"before being killed (0 means no limit).",