diff options
Diffstat (limited to 'src/main/java/com')
3 files changed, 59 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/actions/cache/StubActionCache.java b/src/main/java/com/google/devtools/build/lib/actions/cache/StubActionCache.java new file mode 100644 index 0000000000..9e1cdd3663 --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/actions/cache/StubActionCache.java @@ -0,0 +1,40 @@ +// Copyright 2017 The Bazel Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package com.google.devtools.build.lib.actions.cache; + +import java.io.PrintStream; + +/** An {@link ActionCache} which does not store entries. */ +public class StubActionCache implements ActionCache { + + @Override + public void put(String key, Entry entry) {} + + @Override + public Entry get(String key) { + return null; + } + + @Override + public void remove(String key) {} + + @Override + public long save() { + return 0; + } + + @Override + public void dump(PrintStream out) {} +} diff --git a/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java b/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java index fe4fe8cfe1..3f6bcf1dc5 100644 --- a/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java +++ b/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java @@ -298,4 +298,12 @@ public class BlazeServerStartupOptions extends OptionsBase { + "Please do not use this flag." ) public boolean useCustomExitCodeOnAbruptExit; + + @Option( + name = "use_action_cache", + defaultValue = "true", + category = "server startup", + help = "Whether to use the action cache" + ) + public boolean useActionCache; } diff --git a/src/main/java/com/google/devtools/build/lib/runtime/BlazeWorkspace.java b/src/main/java/com/google/devtools/build/lib/runtime/BlazeWorkspace.java index 98c56c48c8..e2d08b1298 100644 --- a/src/main/java/com/google/devtools/build/lib/runtime/BlazeWorkspace.java +++ b/src/main/java/com/google/devtools/build/lib/runtime/BlazeWorkspace.java @@ -21,6 +21,7 @@ import com.google.common.eventbus.EventBus; import com.google.common.eventbus.SubscriberExceptionHandler; import com.google.devtools.build.lib.actions.cache.ActionCache; import com.google.devtools.build.lib.actions.cache.CompactPersistentActionCache; +import com.google.devtools.build.lib.actions.cache.StubActionCache; import com.google.devtools.build.lib.analysis.BlazeDirectories; import com.google.devtools.build.lib.analysis.WorkspaceStatusAction; import com.google.devtools.build.lib.analysis.config.BinTools; @@ -219,6 +220,16 @@ public final class BlazeWorkspace { */ public ActionCache getPersistentActionCache(Reporter reporter) throws IOException { if (actionCache == null) { + boolean useActionCache = + runtime + .getStartupOptionsProvider() + .getOptions(BlazeServerStartupOptions.class) + .useActionCache; + if (!useActionCache) { + reporter.handle(Event.info("Action cache disabled")); + actionCache = new StubActionCache(); + return actionCache; + } try (AutoProfiler p = profiledAndLogged("Loading action cache", ProfilerTask.INFO, LOG)) { try { actionCache = new CompactPersistentActionCache(getCacheDirectory(), runtime.getClock()); |