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| author | Ben Caimano <ben.caimano@10gen.com> | 2018-09-04 16:35:29 -0400 |
|---|---|---|
| committer | Ben Caimano <ben.caimano@10gen.com> | 2018-09-06 13:11:13 -0400 |
| commit | a54264b53097556622e5e8e823bfacabd39ee1e7 (patch) | |
| tree | 3e5018e653bdb0d37da81174449523945496a604 /src | |
| parent | 8aadacefd8c3f3507d519e60c2e7d8ef7f2f29bb (diff) | |
| download | mongo-a54264b53097556622e5e8e823bfacabd39ee1e7.tar.gz | |
SERVER-27588 Warning to disable defrag of transparent_hugepages when thp is disabled
Diffstat (limited to 'src')
| -rw-r--r-- | src/mongo/db/startup_warnings_mongod.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mongo/db/startup_warnings_mongod.cpp b/src/mongo/db/startup_warnings_mongod.cpp index 9dcd4e387f6..b4ed61ff1cc 100644 --- a/src/mongo/db/startup_warnings_mongod.cpp +++ b/src/mongo/db/startup_warnings_mongod.cpp @@ -257,8 +257,12 @@ void logMongodStartupWarnings(const StorageGlobalParams& storageParams, // Transparent Hugepages checks StatusWith<std::string> transparentHugePagesEnabledResult = StartupWarningsMongod::readTransparentHugePagesParameter("enabled"); + bool shouldWarnAboutDefragAlways = false; if (transparentHugePagesEnabledResult.isOK()) { if (transparentHugePagesEnabledResult.getValue() == "always") { + // If we do not have hugepages enabled, we don't need to warn about its features + shouldWarnAboutDefragAlways = true; + log() << startupWarningsLog; log() << "** WARNING: " << kTransparentHugePagesDirectory << "/enabled is 'always'." << startupWarningsLog; @@ -274,7 +278,7 @@ void logMongodStartupWarnings(const StorageGlobalParams& storageParams, StatusWith<std::string> transparentHugePagesDefragResult = StartupWarningsMongod::readTransparentHugePagesParameter("defrag"); - if (transparentHugePagesDefragResult.isOK()) { + if (shouldWarnAboutDefragAlways && transparentHugePagesDefragResult.isOK()) { if (transparentHugePagesDefragResult.getValue() == "always") { log() << startupWarningsLog; log() << "** WARNING: " << kTransparentHugePagesDirectory << "/defrag is 'always'." |