Add prefetch option in configuration.

xrootd · Jun 30, 2016 · 3f25cc5 · 3f25cc5
1 parent 8f7ca00
commit 3f25cc5
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Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/src/XrdFileCache/XrdFileCacheFactory.cc b/src/XrdFileCache/XrdFileCacheFactory.cc
@@ -272,9 +272,11 @@ bool Factory::Config(XrdSysLogger *logger, const char *config_filename, const ch
       loff = snprintf(buff, sizeof(buff), "result\n"
                "\tpfc.cachedir %s\n"
                "\tpfc.blocksize %lld\n"
+               "\tpfc.prefetch %d\n"
                "\tpfc.nram %d\n\n",
                m_configuration.m_cache_dir.c_str() , 
-               m_configuration.m_bufferSize, 
+               m_configuration.m_bufferSize,
+               m_configuration.m_prefetch, // AMT not sure what parsing should be
                m_configuration.m_NRamBuffers );
 
       if (m_configuration.m_hdfsmode)
@@ -284,7 +286,6 @@ bool Factory::Config(XrdSysLogger *logger, const char *config_filename, const ch
          loff += snprintf(&buff[loff], strlen(buff2), "%s", buff2);
       } 
 
-
       char  unameBuff[256];
       if (m_configuration.m_username.empty()) {
 	XrdOucUtils::UserName(getuid(), unameBuff, sizeof(unameBuff));
@@ -363,7 +364,11 @@ bool Factory::ConfigParameters(std::string part, XrdOucStream& config )
          return false;
       }
    }
-   else if (part == "nram")
+   else if (part == "prefetch" )
+   {
+      m_configuration.m_prefetch = true;
+   }
+   else if (part == "nram" )
    {
       m_configuration.m_NRamBuffers = ::atoi(config.GetWord());
    }

diff --git a/src/XrdFileCache/XrdFileCacheFactory.hh b/src/XrdFileCache/XrdFileCacheFactory.hh
@@ -54,6 +54,7 @@ namespace XrdFileCache
          m_diskUsageHWM(-1),
          m_bufferSize(1024*1024),
 	 m_NRamBuffers(8000),
+         m_prefetch(false),
          m_hdfsbsize(128*1024*1024) {}
 
       bool m_hdfsmode;      //!< flag for enabling block-level operation
@@ -65,6 +66,8 @@ namespace XrdFileCache
 
       long long m_bufferSize;         //!< prefetch buffer size, default 1MB
       int  m_NRamBuffers;             //!< number of total in-memory cache blocks
+      bool m_prefetch;                //!< prefetch enable state        
+
       long long m_hdfsbsize;          //!< used with m_hdfsmode, default 128MB
    };