Bug 5022: Reconfigure kills Coordinator in SMP+ufs configurations (#556)

In these unsupported SMP+ufs configurations, depending on the deployment
specifics, the Coordinator process could exit due to swap state file
opening errors:

    kid11| FATAL: UFSSwapDir::openLog: Failed to open swap log.

diff --git a/src/fs/ufs/UFSSwapDir.cc b/src/fs/ufs/UFSSwapDir.cc
index 2570306045517d9110763249e4ceec902cb0be90..f3811bc9c1d0b45d610b5148e51c8401aacf2375 100644 (file)
--- a/src/fs/ufs/UFSSwapDir.cc
+++ b/src/fs/ufs/UFSSwapDir.cc
@@ -724,6 +724,9 @@ Fs::Ufs::UFSSwapDir::logFile(char const *ext) const
 void
 Fs::Ufs::UFSSwapDir::openLog()
 {
+    if (!IamWorkerProcess())
+        return;
+
     assert(NumberOfUFSDirs || !UFSDirToGlobalDirMapping);
     ++NumberOfUFSDirs;
     assert(NumberOfUFSDirs <= Config.cacheSwap.n_configured);