From fa0a7330462f8c5d9bc9483b5233ebe6bd9925b2 Mon Sep 17 00:00:00 2001
From: Chris Gavin <chris@chrisgavin.me>
Date: Thu, 14 May 2020 17:23:34 +0100
Subject: [PATCH] Use the full amount of memory available when running queries.

---
 analyze/action.yml     |  3 +++
 lib/finalize-db.js     | 19 +++++++++++++++++++
 lib/finalize-db.js.map |  2 +-
 src/finalize-db.ts     | 19 +++++++++++++++++++
 4 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/analyze/action.yml b/analyze/action.yml
index f2083cc82..17a374299 100644
--- a/analyze/action.yml
+++ b/analyze/action.yml
@@ -12,6 +12,9 @@ inputs:
     description: Upload the SARIF file
     required: false
     default: true
+  ram:
+    description: Override the amount of memory in MB to be used by CodeQL. By default, almost all the memory of the machine is used.
+    required: false
   token:
     default: ${{ github.token }}
   matrix:
diff --git a/lib/finalize-db.js b/lib/finalize-db.js
index 8baea6a93..f66d8bd5f 100644
--- a/lib/finalize-db.js
+++ b/lib/finalize-db.js
@@ -11,12 +11,30 @@ const core = __importStar(require("@actions/core"));
 const exec = __importStar(require("@actions/exec"));
 const io = __importStar(require("@actions/io"));
 const fs = __importStar(require("fs"));
+const os = __importStar(require("os"));
 const path = __importStar(require("path"));
 const configUtils = __importStar(require("./config-utils"));
 const externalQueries = __importStar(require("./external-queries"));
 const sharedEnv = __importStar(require("./shared-environment"));
 const upload_lib = __importStar(require("./upload-lib"));
 const util = __importStar(require("./util"));
+function getMemoryFlag() {
+    let memoryToUseMegaBytes;
+    const memoryToUseString = core.getInput("ram");
+    if (memoryToUseString) {
+        memoryToUseMegaBytes = Number(memoryToUseString);
+        if (Number.isNaN(memoryToUseMegaBytes)) {
+            throw new Error("Invalid RAM setting \"" + memoryToUseString + "\", specified.");
+        }
+    }
+    else {
+        const totalMemoryBytes = os.totalmem();
+        const totalMemoryMegaBytes = totalMemoryBytes / (1024 * 1024);
+        const systemReservedMemoryMegaBytes = 256;
+        memoryToUseMegaBytes = totalMemoryMegaBytes - systemReservedMemoryMegaBytes;
+    }
+    return "--ram=" + Math.floor(memoryToUseMegaBytes);
+}
 async function createdDBForScannedLanguages(codeqlCmd, databaseFolder) {
     const scannedLanguages = process.env[sharedEnv.CODEQL_ACTION_SCANNED_LANGUAGES];
     if (scannedLanguages) {
@@ -97,6 +115,7 @@ async function runQueries(codeqlCmd, databaseFolder, sarifFolder, config) {
         await exec.exec(codeqlCmd, [
             'database',
             'analyze',
+            getMemoryFlag(),
             path.join(databaseFolder, database),
             '--format=sarif-latest',
             '--output=' + sarifFile,
diff --git a/lib/finalize-db.js.map b/lib/finalize-db.js.map
index 68aebece7..814f50fd4 100644
--- a/lib/finalize-db.js.map
+++ b/lib/finalize-db.js.map
@@ -1 +1 @@
-{"version":3,"file":"finalize-db.js","sourceRoot":"","sources":["../src/finalize-db.ts"],"names":[],"mappings":";;;;;;;;;AAAA,oDAAsC;AACtC,oDAAsC;AACtC,gDAAkC;AAClC,uCAAyB;AACzB,2CAA6B;AAE7B,4DAA8C;AAC9C,oEAAsD;AACtD,gEAAkD;AAClD,yDAA2C;AAC3C,6CAA+B;AAE/B,KAAK,UAAU,4BAA4B,CAAC,SAAiB,EAAE,cAAsB;IACnF,MAAM,gBAAgB,GAAG,OAAO,CAAC,GAAG,CAAC,SAAS,CAAC,+BAA+B,CAAC,CAAC;IAChF,IAAI,gBAAgB,EAAE;QACpB,KAAK,MAAM,QAAQ,IAAI,gBAAgB,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE;YAClD,IAAI,CAAC,UAAU,CAAC,aAAa,GAAG,QAAQ,CAAC,CAAC;YAE1C,yBAAyB;YACzB,IAAI,aAAa,GAAG,EAAE,CAAC;YACvB,MAAM,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,SAAS,EAAE,WAAW,EAAE,eAAe,EAAE,aAAa,GAAG,QAAQ,CAAC,EAAE;gBAC9F,MAAM,EAAE,IAAI;gBACZ,SAAS,EAAE;oBACT,MAAM,EAAE,CAAC,IAAI,EAAE,EAAE,GAAG,aAAa,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC,CAAC,CAAC;oBACvD,MAAM,EAAE,CAAC,IAAI,EAAE,EAAE,GAAG,OAAO,CAAC,MAAM,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;iBAClD;aACF,CAAC,CAAC;YAEH,oBAAoB;YACpB,MAAM,GAAG,GAAG,OAAO,CAAC,QAAQ,KAAK,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,KAAK,CAAC;YAC1D,MAAM,YAAY,GAAG,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,KAAK,CAAC,aAAa,CAAC,EAAE,OAAO,EAAE,WAAW,GAAG,GAAG,CAAC,CAAC;YAEzF,oBAAoB;YACpB,MAAM,IAAI,CAAC,IAAI,CACb,SAAS,EACT,CAAC,UAAU,EAAE,eAAe,EAAE,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC,EAAE,IAAI,EAAE,YAAY,CAAC,CAAC,CAAC;YAE1F,IAAI,CAAC,QAAQ,EAAE,CAAC;SACjB;KACF;AACH,CAAC;AAED,KAAK,UAAU,wBAAwB,CAAC,SAAiB,EAAE,cAAsB;IAC/E,MAAM,4BAA4B,CAAC,SAAS,EAAE,cAAc,CAAC,CAAC;IAE9D,MAAM,SAAS,GAAG,OAAO,CAAC,GAAG,CAAC,SAAS,CAAC,uBAAuB,CAAC,IAAI,EAAE,CAAC;IACvE,KAAK,MAAM,QAAQ,IAAI,SAAS,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE;QAC3C,IAAI,CAAC,UAAU,CAAC,aAAa,GAAG,QAAQ,CAAC,CAAC;QAC1C,MAAM,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,UAAU,EAAE,UAAU,EAAE,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC,CAAC,CAAC,CAAC;QAC1F,IAAI,CAAC,QAAQ,EAAE,CAAC;KACjB;AACH,CAAC;AAED,KAAK,UAAU,qBAAqB,CAAC,SAAiB,EAAE,MAA0B;IAChF,IAAI,GAAG,GAAG,IAAI,GAAG,EAAE,CAAC;IAEpB,IAAI,MAAM,CAAC,iBAAiB,CAAC,MAAM,KAAK,CAAC,EAAE;QACzC,IAAI,oBAAoB,GAAG,EAAE,CAAC;QAC9B,MAAM,OAAO,GAAG;YACd,SAAS,EAAE;gBACT,MAAM,EAAE,CAAC,IAAY,EAAE,EAAE;oBACvB,oBAAoB,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;gBAC1C,CAAC;aACF;SACF,CAAC;QAEF,MAAM,IAAI,CAAC,IAAI,CACb,SAAS,EAAE;YACT,SAAS;YACT,SAAS;YACT,GAAG,MAAM,CAAC,iBAAiB;YAC3B,qBAAqB;SACtB,EACD,OAAO,CAAC,CAAC;QAEX,MAAM,0BAA0B,GAAG,IAAI,CAAC,KAAK,CAAC,oBAAoB,CAAC,CAAC;QAEpE,KAAK,MAAM,CAAC,QAAQ,EAAE,OAAO,CAAC,IAAI,MAAM,CAAC,OAAO,CAAC,0BAA0B,CAAC,UAAU,CAAC,EAAE;YACvF,GAAG,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,IAAI,CAAM,OAAO,CAAC,CAAC;SAC3C;QAED,MAAM,kBAAkB,GAAG,0BAA0B,CAAC,kBAAkB,CAAC;QACzE,MAAM,yBAAyB,GAAG,MAAM,CAAC,IAAI,CAAC,kBAAkB,CAAC,CAAC;QAClE,IAAI,yBAAyB,CAAC,MAAM,KAAK,CAAC,EAAE;YAC1C,MAAM,IAAI,KAAK,CAAC,wFAAwF,CAAC,CAAC;SAC3G;QAED,MAAM,yBAAyB,GAAG,0BAA0B,CAAC,yBAAyB,CAAC;QACvF,MAAM,gCAAgC,GAAG,MAAM,CAAC,IAAI,CAAC,yBAAyB,CAAC,CAAC;QAChF,IAAI,gCAAgC,CAAC,MAAM,KAAK,CAAC,EAAE;YACjD,MAAM,IAAI,KAAK,CAAC,yFAAyF,CAAC,CAAC;SAC5G;KACF;IAED,OAAO,GAAG,CAAC;AACb,CAAC;AAED,2DAA2D;AAC3D,KAAK,UAAU,UAAU,CAAC,SAAiB,EAAE,cAAsB,EAAE,WAAmB,EAAE,MAA0B;IAClH,MAAM,kBAAkB,GAAG,MAAM,qBAAqB,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;IAE1E,KAAK,IAAI,QAAQ,IAAI,EAAE,CAAC,WAAW,CAAC,cAAc,CAAC,EAAE;QACnD,IAAI,CAAC,UAAU,CAAC,YAAY,GAAG,QAAQ,CAAC,CAAC;QAEzC,MAAM,OAAO,GAAa,EAAE,CAAC;QAC7B,IAAI,CAAC,MAAM,CAAC,qBAAqB,EAAE;YACjC,OAAO,CAAC,IAAI,CAAC,QAAQ,GAAG,oBAAoB,CAAC,CAAC;SAC/C;QACD,OAAO,CAAC,IAAI,CAAC,GAAG,CAAC,kBAAkB,CAAC,QAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;QAEtD,MAAM,SAAS,GAAG,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE,QAAQ,GAAG,QAAQ,CAAC,CAAC;QAE9D,MAAM,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;YACzB,UAAU;YACV,SAAS;YACT,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC;YACnC,uBAAuB;YACvB,WAAW,GAAG,SAAS;YACvB,yBAAyB;YACzB,GAAG,OAAO;SACX,CAAC,CAAC;QAEH,IAAI,CAAC,KAAK,CAAC,6BAA6B,GAAG,QAAQ,GAAG,eAAe,GAAG,SAAS,GAAG,GAAG,CAAC,CAAC;QACzF,IAAI,CAAC,QAAQ,EAAE,CAAC;KACjB;AACH,CAAC;AAED,KAAK,UAAU,GAAG;IAChB,IAAI;QACF,IAAI,IAAI,CAAC,YAAY,CAAC,QAAQ,EAAE,IAAI,CAAC,IAAI,CAAC,MAAM,IAAI,CAAC,oBAAoB,CAAC,QAAQ,CAAC,EAAE;YACnF,OAAO;SACR;QACD,MAAM,MAAM,GAAG,MAAM,WAAW,CAAC,UAAU,EAAE,CAAC;QAE9C,IAAI,CAAC,cAAc,CAAC,SAAS,CAAC,0BAA0B,EAAE,EAAE,CAAC,CAAC;QAC9D,OAAO,OAAO,CAAC,GAAG,CAAC,SAAS,CAAC,0BAA0B,CAAC,CAAC;QAEzD,MAAM,SAAS,GAAG,IAAI,CAAC,mBAAmB,CAAC,SAAS,CAAC,iBAAiB,CAAC,CAAC;QACxE,MAAM,cAAc,GAAG,IAAI,CAAC,mBAAmB,CAAC,SAAS,CAAC,0BAA0B,CAAC,CAAC;QAEtF,MAAM,WAAW,GAAG,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC;QAC5C,MAAM,EAAE,CAAC,MAAM,CAAC,WAAW,CAAC,CAAC;QAE7B,IAAI,CAAC,IAAI,CAAC,8BAA8B,CAAC,CAAC;QAC1C,MAAM,wBAAwB,CAAC,SAAS,EAAE,cAAc,CAAC,CAAC;QAE1D,MAAM,eAAe,CAAC,uBAAuB,CAAC,MAAM,CAAC,CAAC;QAEtD,IAAI,CAAC,IAAI,CAAC,oBAAoB,CAAC,CAAC;QAChC,MAAM,UAAU,CAAC,SAAS,EAAE,cAAc,EAAE,WAAW,EAAE,MAAM,CAAC,CAAC;QAEjE,IAAI,MAAM,KAAK,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,EAAE;YACtC,IAAI,CAAC,MAAM,UAAU,CAAC,MAAM,CAAC,WAAW,CAAC,EAAE;gBACzC,MAAM,IAAI,CAAC,kBAAkB,CAAC,QAAQ,EAAE,QAAQ,CAAC,CAAC;gBAClD,OAAO;aACR;SACF;KAEF;IAAC,OAAO,KAAK,EAAE;QACd,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;QAC9B,MAAM,IAAI,CAAC,kBAAkB,CAAC,QAAQ,EAAE,KAAK,CAAC,OAAO,EAAE,KAAK,CAAC,KAAK,CAAC,CAAC;QACpE,OAAO;KACR;IAED,MAAM,IAAI,CAAC,qBAAqB,CAAC,QAAQ,CAAC,CAAC;AAC7C,CAAC;AAED,GAAG,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE;IACd,IAAI,CAAC,SAAS,CAAC,yBAAyB,GAAG,CAAC,CAAC,CAAC;IAC9C,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;AACjB,CAAC,CAAC,CAAC"}
\ No newline at end of file
+{"version":3,"file":"finalize-db.js","sourceRoot":"","sources":["../src/finalize-db.ts"],"names":[],"mappings":";;;;;;;;;AAAA,oDAAsC;AACtC,oDAAsC;AACtC,gDAAkC;AAClC,uCAAyB;AACzB,uCAAyB;AACzB,2CAA6B;AAE7B,4DAA8C;AAC9C,oEAAsD;AACtD,gEAAkD;AAClD,yDAA2C;AAC3C,6CAA+B;AAE/B,SAAS,aAAa;IACpB,IAAI,oBAA4B,CAAC;IACjC,MAAM,iBAAiB,GAAG,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;IAC/C,IAAI,iBAAiB,EAAE;QACrB,oBAAoB,GAAG,MAAM,CAAC,iBAAiB,CAAC,CAAC;QACjD,IAAI,MAAM,CAAC,KAAK,CAAC,oBAAoB,CAAC,EAAE;YACtC,MAAM,IAAI,KAAK,CAAC,wBAAwB,GAAG,iBAAiB,GAAG,gBAAgB,CAAC,CAAC;SAClF;KACF;SAAM;QACL,MAAM,gBAAgB,GAAG,EAAE,CAAC,QAAQ,EAAE,CAAC;QACvC,MAAM,oBAAoB,GAAG,gBAAgB,GAAG,CAAC,IAAI,GAAG,IAAI,CAAC,CAAC;QAC9D,MAAM,6BAA6B,GAAG,GAAG,CAAC;QAC1C,oBAAoB,GAAG,oBAAoB,GAAG,6BAA6B,CAAC;KAC7E;IACD,OAAO,QAAQ,GAAG,IAAI,CAAC,KAAK,CAAC,oBAAoB,CAAC,CAAC;AACrD,CAAC;AAED,KAAK,UAAU,4BAA4B,CAAC,SAAiB,EAAE,cAAsB;IACnF,MAAM,gBAAgB,GAAG,OAAO,CAAC,GAAG,CAAC,SAAS,CAAC,+BAA+B,CAAC,CAAC;IAChF,IAAI,gBAAgB,EAAE;QACpB,KAAK,MAAM,QAAQ,IAAI,gBAAgB,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE;YAClD,IAAI,CAAC,UAAU,CAAC,aAAa,GAAG,QAAQ,CAAC,CAAC;YAE1C,yBAAyB;YACzB,IAAI,aAAa,GAAG,EAAE,CAAC;YACvB,MAAM,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,SAAS,EAAE,WAAW,EAAE,eAAe,EAAE,aAAa,GAAG,QAAQ,CAAC,EAAE;gBAC9F,MAAM,EAAE,IAAI;gBACZ,SAAS,EAAE;oBACT,MAAM,EAAE,CAAC,IAAI,EAAE,EAAE,GAAG,aAAa,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC,CAAC,CAAC;oBACvD,MAAM,EAAE,CAAC,IAAI,EAAE,EAAE,GAAG,OAAO,CAAC,MAAM,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;iBAClD;aACF,CAAC,CAAC;YAEH,oBAAoB;YACpB,MAAM,GAAG,GAAG,OAAO,CAAC,QAAQ,KAAK,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,KAAK,CAAC;YAC1D,MAAM,YAAY,GAAG,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,KAAK,CAAC,aAAa,CAAC,EAAE,OAAO,EAAE,WAAW,GAAG,GAAG,CAAC,CAAC;YAEzF,oBAAoB;YACpB,MAAM,IAAI,CAAC,IAAI,CACb,SAAS,EACT,CAAC,UAAU,EAAE,eAAe,EAAE,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC,EAAE,IAAI,EAAE,YAAY,CAAC,CAAC,CAAC;YAE1F,IAAI,CAAC,QAAQ,EAAE,CAAC;SACjB;KACF;AACH,CAAC;AAED,KAAK,UAAU,wBAAwB,CAAC,SAAiB,EAAE,cAAsB;IAC/E,MAAM,4BAA4B,CAAC,SAAS,EAAE,cAAc,CAAC,CAAC;IAE9D,MAAM,SAAS,GAAG,OAAO,CAAC,GAAG,CAAC,SAAS,CAAC,uBAAuB,CAAC,IAAI,EAAE,CAAC;IACvE,KAAK,MAAM,QAAQ,IAAI,SAAS,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE;QAC3C,IAAI,CAAC,UAAU,CAAC,aAAa,GAAG,QAAQ,CAAC,CAAC;QAC1C,MAAM,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,UAAU,EAAE,UAAU,EAAE,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC,CAAC,CAAC,CAAC;QAC1F,IAAI,CAAC,QAAQ,EAAE,CAAC;KACjB;AACH,CAAC;AAED,KAAK,UAAU,qBAAqB,CAAC,SAAiB,EAAE,MAA0B;IAChF,IAAI,GAAG,GAAG,IAAI,GAAG,EAAE,CAAC;IAEpB,IAAI,MAAM,CAAC,iBAAiB,CAAC,MAAM,KAAK,CAAC,EAAE;QACzC,IAAI,oBAAoB,GAAG,EAAE,CAAC;QAC9B,MAAM,OAAO,GAAG;YACd,SAAS,EAAE;gBACT,MAAM,EAAE,CAAC,IAAY,EAAE,EAAE;oBACvB,oBAAoB,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;gBAC1C,CAAC;aACF;SACF,CAAC;QAEF,MAAM,IAAI,CAAC,IAAI,CACb,SAAS,EAAE;YACT,SAAS;YACT,SAAS;YACT,GAAG,MAAM,CAAC,iBAAiB;YAC3B,qBAAqB;SACtB,EACD,OAAO,CAAC,CAAC;QAEX,MAAM,0BAA0B,GAAG,IAAI,CAAC,KAAK,CAAC,oBAAoB,CAAC,CAAC;QAEpE,KAAK,MAAM,CAAC,QAAQ,EAAE,OAAO,CAAC,IAAI,MAAM,CAAC,OAAO,CAAC,0BAA0B,CAAC,UAAU,CAAC,EAAE;YACvF,GAAG,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,IAAI,CAAM,OAAO,CAAC,CAAC;SAC3C;QAED,MAAM,kBAAkB,GAAG,0BAA0B,CAAC,kBAAkB,CAAC;QACzE,MAAM,yBAAyB,GAAG,MAAM,CAAC,IAAI,CAAC,kBAAkB,CAAC,CAAC;QAClE,IAAI,yBAAyB,CAAC,MAAM,KAAK,CAAC,EAAE;YAC1C,MAAM,IAAI,KAAK,CAAC,wFAAwF,CAAC,CAAC;SAC3G;QAED,MAAM,yBAAyB,GAAG,0BAA0B,CAAC,yBAAyB,CAAC;QACvF,MAAM,gCAAgC,GAAG,MAAM,CAAC,IAAI,CAAC,yBAAyB,CAAC,CAAC;QAChF,IAAI,gCAAgC,CAAC,MAAM,KAAK,CAAC,EAAE;YACjD,MAAM,IAAI,KAAK,CAAC,yFAAyF,CAAC,CAAC;SAC5G;KACF;IAED,OAAO,GAAG,CAAC;AACb,CAAC;AAED,2DAA2D;AAC3D,KAAK,UAAU,UAAU,CAAC,SAAiB,EAAE,cAAsB,EAAE,WAAmB,EAAE,MAA0B;IAClH,MAAM,kBAAkB,GAAG,MAAM,qBAAqB,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;IAE1E,KAAK,IAAI,QAAQ,IAAI,EAAE,CAAC,WAAW,CAAC,cAAc,CAAC,EAAE;QACnD,IAAI,CAAC,UAAU,CAAC,YAAY,GAAG,QAAQ,CAAC,CAAC;QAEzC,MAAM,OAAO,GAAa,EAAE,CAAC;QAC7B,IAAI,CAAC,MAAM,CAAC,qBAAqB,EAAE;YACjC,OAAO,CAAC,IAAI,CAAC,QAAQ,GAAG,oBAAoB,CAAC,CAAC;SAC/C;QACD,OAAO,CAAC,IAAI,CAAC,GAAG,CAAC,kBAAkB,CAAC,QAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;QAEtD,MAAM,SAAS,GAAG,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE,QAAQ,GAAG,QAAQ,CAAC,CAAC;QAE9D,MAAM,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;YACzB,UAAU;YACV,SAAS;YACT,aAAa,EAAE;YACf,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE,QAAQ,CAAC;YACnC,uBAAuB;YACvB,WAAW,GAAG,SAAS;YACvB,yBAAyB;YACzB,GAAG,OAAO;SACX,CAAC,CAAC;QAEH,IAAI,CAAC,KAAK,CAAC,6BAA6B,GAAG,QAAQ,GAAG,eAAe,GAAG,SAAS,GAAG,GAAG,CAAC,CAAC;QACzF,IAAI,CAAC,QAAQ,EAAE,CAAC;KACjB;AACH,CAAC;AAED,KAAK,UAAU,GAAG;IAChB,IAAI;QACF,IAAI,IAAI,CAAC,YAAY,CAAC,QAAQ,EAAE,IAAI,CAAC,IAAI,CAAC,MAAM,IAAI,CAAC,oBAAoB,CAAC,QAAQ,CAAC,EAAE;YACnF,OAAO;SACR;QACD,MAAM,MAAM,GAAG,MAAM,WAAW,CAAC,UAAU,EAAE,CAAC;QAE9C,IAAI,CAAC,cAAc,CAAC,SAAS,CAAC,0BAA0B,EAAE,EAAE,CAAC,CAAC;QAC9D,OAAO,OAAO,CAAC,GAAG,CAAC,SAAS,CAAC,0BAA0B,CAAC,CAAC;QAEzD,MAAM,SAAS,GAAG,IAAI,CAAC,mBAAmB,CAAC,SAAS,CAAC,iBAAiB,CAAC,CAAC;QACxE,MAAM,cAAc,GAAG,IAAI,CAAC,mBAAmB,CAAC,SAAS,CAAC,0BAA0B,CAAC,CAAC;QAEtF,MAAM,WAAW,GAAG,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC;QAC5C,MAAM,EAAE,CAAC,MAAM,CAAC,WAAW,CAAC,CAAC;QAE7B,IAAI,CAAC,IAAI,CAAC,8BAA8B,CAAC,CAAC;QAC1C,MAAM,wBAAwB,CAAC,SAAS,EAAE,cAAc,CAAC,CAAC;QAE1D,MAAM,eAAe,CAAC,uBAAuB,CAAC,MAAM,CAAC,CAAC;QAEtD,IAAI,CAAC,IAAI,CAAC,oBAAoB,CAAC,CAAC;QAChC,MAAM,UAAU,CAAC,SAAS,EAAE,cAAc,EAAE,WAAW,EAAE,MAAM,CAAC,CAAC;QAEjE,IAAI,MAAM,KAAK,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,EAAE;YACtC,IAAI,CAAC,MAAM,UAAU,CAAC,MAAM,CAAC,WAAW,CAAC,EAAE;gBACzC,MAAM,IAAI,CAAC,kBAAkB,CAAC,QAAQ,EAAE,QAAQ,CAAC,CAAC;gBAClD,OAAO;aACR;SACF;KAEF;IAAC,OAAO,KAAK,EAAE;QACd,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;QAC9B,MAAM,IAAI,CAAC,kBAAkB,CAAC,QAAQ,EAAE,KAAK,CAAC,OAAO,EAAE,KAAK,CAAC,KAAK,CAAC,CAAC;QACpE,OAAO;KACR;IAED,MAAM,IAAI,CAAC,qBAAqB,CAAC,QAAQ,CAAC,CAAC;AAC7C,CAAC;AAED,GAAG,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE;IACd,IAAI,CAAC,SAAS,CAAC,yBAAyB,GAAG,CAAC,CAAC,CAAC;IAC9C,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;AACjB,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/src/finalize-db.ts b/src/finalize-db.ts
index f58ab6c1c..b4836e6b3 100644
--- a/src/finalize-db.ts
+++ b/src/finalize-db.ts
@@ -2,6 +2,7 @@ import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 import * as io from '@actions/io';
 import * as fs from 'fs';
+import * as os from 'os';
 import * as path from 'path';
 
 import * as configUtils from './config-utils';
@@ -10,6 +11,23 @@ import * as sharedEnv from './shared-environment';
 import * as upload_lib from './upload-lib';
 import * as util from './util';
 
+function getMemoryFlag(): string {
+  let memoryToUseMegaBytes: number;
+  const memoryToUseString = core.getInput("ram");
+  if (memoryToUseString) {
+    memoryToUseMegaBytes = Number(memoryToUseString);
+    if (Number.isNaN(memoryToUseMegaBytes)) {
+      throw new Error("Invalid RAM setting \"" + memoryToUseString + "\", specified.");
+    }
+  } else {
+    const totalMemoryBytes = os.totalmem();
+    const totalMemoryMegaBytes = totalMemoryBytes / (1024 * 1024);
+    const systemReservedMemoryMegaBytes = 256;
+    memoryToUseMegaBytes = totalMemoryMegaBytes - systemReservedMemoryMegaBytes;
+  }
+  return "--ram=" + Math.floor(memoryToUseMegaBytes);
+}
+
 async function createdDBForScannedLanguages(codeqlCmd: string, databaseFolder: string) {
   const scannedLanguages = process.env[sharedEnv.CODEQL_ACTION_SCANNED_LANGUAGES];
   if (scannedLanguages) {
@@ -113,6 +131,7 @@ async function runQueries(codeqlCmd: string, databaseFolder: string, sarifFolder
     await exec.exec(codeqlCmd, [
       'database',
       'analyze',
+      getMemoryFlag(),
       path.join(databaseFolder, database),
       '--format=sarif-latest',
       '--output=' + sarifFile,