Commit cd5be67d authored by Ramon Nou's avatar Ramon Nou
Browse files

updated README.MD and protected Distributor for duplicated inserts

parent e132f0dd

README.md

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@@ -227,7 +227,7 @@ The following modules are available: 
   module will only be available if the client library is built in `Debug`

   mode.

 - `all`: All previous options combined.

 - `traces_reads`: Generate log line with extra information in read operations for guided distributor

 - `trace_reads`: Generate log line with extra information in read operations for guided distributor

 - `help`: Print a help message and exit.



When tracing sytem calls, specific syscalls can be removed from log messages by

src/global/rpc/distributor.cpp

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@@ -122,7 +122,11 @@ GuidedDistributor::init_guided() { 


    while (mapfile >> path >> chunk_id >> destination_host) {

        // We need destination+1, as 0 has an special meaning in the interval map.

        auto I = map_interval.find(path);

        if (I == map_interval.end())

            map_interval[path] += make_pair(  boost::icl::discrete_interval<chunkid_t>::right_open (chunk_id, chunk_id+1), destination_host+1);

        else if (I->second.find(chunk_id) == I->second.end())

            I->second.insert( make_pair(  boost::icl::discrete_interval<chunkid_t>::right_open (chunk_id, chunk_id+1), destination_host+1) );

    }

    mapfile.close();

    return true;