1 files changed, 0 insertions, 128 deletions
diff --git a/src/mongo/db/query/util/memory_util.cpp b/src/mongo/db/query/util/memory_util.cpp
deleted file mode 100644
index 8a206deb2b7..00000000000
--- a/src/mongo/db/query/util/memory_util.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-/**
- *    Copyright (C) 2021-present MongoDB, Inc.
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the Server Side Public License, version 1,
- *    as published by MongoDB, Inc.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    Server Side Public License for more details.
- *
- *    You should have received a copy of the Server Side Public License
- *    along with this program. If not, see
- *    <http://www.mongodb.com/licensing/server-side-public-license>.
- *
- *    As a special exception, the copyright holders give permission to link the
- *    code of portions of this program with the OpenSSL library under certain
- *    conditions as described in each individual source file and distribute
- *    linked combinations including the program with the OpenSSL library. You
- *    must comply with the Server Side Public License in all respects for
- *    all of the code used other than as permitted herein. If you modify file(s)
- *    with this exception, you may extend this exception to your version of the
- *    file(s), but you are not obligated to do so. If you do not wish to do so,
- *    delete this exception statement from your version. If you delete this
- *    exception statement from all source files in the program, then also delete
- *    it in the license file.
- */
-
-#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kQuery
-
-#include "mongo/db/query/util/memory_util.h"
-
-#include <cstddef>
-#include <pcrecpp.h>
-
-#include "mongo/logv2/log.h"
-#include "mongo/util/processinfo.h"
-
-
-namespace mongo::memory_util {
-
-StatusWith<MemoryUnits> parseUnitString(const std::string& strUnit) {
-    if (strUnit.empty()) {
-        return Status(ErrorCodes::Error{6007010}, "Unit value cannot be empty");
-    }
-
-    if (strUnit[0] == '%') {
-        return MemoryUnits::kPercent;
-    } else if (strUnit[0] == 'M' || strUnit[0] == 'm') {
-        return MemoryUnits::kMB;
-    } else if (strUnit[0] == 'G' || strUnit[0] == 'g') {
-        return MemoryUnits::kGB;
-    }
-
-    return Status(ErrorCodes::Error{6007011}, "Incorrect unit value");
-}
-
-StatusWith<MemorySize> MemorySize::parse(const std::string& str) {
-    pcrecpp::RE_Options opt;
-    opt.set_caseless(true);
-    // Looks for a floating point number with followed by a unit suffix (MB, GB, %).
-    pcrecpp::RE re("\\s*(\\d+\\.?\\d*)\\s*(MB|GB|%)\\s*", opt);
-
-    double size{};
-    std::string strUnit{};
-    if (!re.FullMatch(str, &size, &strUnit)) {
-        return {ErrorCodes::Error{6007012}, "Unable to parse memory size string"};
-    }
-
-    auto statusWithUnit = parseUnitString(strUnit);
-    if (!statusWithUnit.isOK()) {
-        return statusWithUnit.getStatus();
-    }
-    return MemorySize{size, statusWithUnit.getValue()};
-}
-
-size_t convertToSizeInBytes(const MemorySize& memSize) {
-    constexpr size_t kBytesInMB = 1024 * 1024;
-    constexpr size_t kMBytesInGB = 1024;
-
-    double sizeInMB = memSize.size;
-
-    switch (memSize.units) {
-        case MemoryUnits::kPercent:
-            sizeInMB *= ProcessInfo::getMemSizeMB() / 100.0;
-            break;
-        case MemoryUnits::kMB:
-            break;
-        case MemoryUnits::kGB:
-            sizeInMB *= kMBytesInGB;
-            break;
-    }
-
-    return static_cast<size_t>(sizeInMB * kBytesInMB);
-}
-
-size_t getRequestedMemSizeInBytes(const MemorySize& memSize) {
-    size_t planCacheSize = convertToSizeInBytes(memSize);
-    uassert(5968001,
-            "Cache size must be at least 1KB * number of cores",
-            planCacheSize >= 1024 * ProcessInfo::getNumCores());
-    return planCacheSize;
-}
-
-/**
- * Sets upper limit on a storage structure's size. Either that structure's maximumSize or to
- * percentage of the total system's memory (both known at call site), whichever is smaller.
- */
-size_t capMemorySize(size_t requestedSizeBytes,
-                     size_t maximumSizeGB,
-                     double percentTotalSystemMemory) {
-    constexpr size_t kBytesInGB = 1024 * 1024 * 1024;
-    // Express maximum size in bytes.
-    const size_t maximumSizeBytes = maximumSizeGB * kBytesInGB;
-    const memory_util::MemorySize limitToProcessSize{percentTotalSystemMemory,
-                                                     memory_util::MemoryUnits::kPercent};
-    const size_t limitToProcessSizeInBytes = convertToSizeInBytes(limitToProcessSize);
-
-    // The size will be capped by the minimum of the two values defined above.
-    const size_t upperLimit = std::min(maximumSizeBytes, limitToProcessSizeInBytes);
-
-    if (requestedSizeBytes > upperLimit) {
-        requestedSizeBytes = upperLimit;
-    }
-    return requestedSizeBytes;
-}
-}  // namespace mongo::memory_util