2013-09-08 05:53:10 +00:00
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#include <iostream>
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#include <iomanip>
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2015-03-31 12:23:22 +00:00
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#include <limits>
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2013-09-08 05:53:10 +00:00
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#include <DB/IO/CachedCompressedReadBuffer.h>
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#include <DB/IO/WriteBufferFromFile.h>
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#include <DB/IO/copyData.h>
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2015-10-05 00:44:40 +00:00
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#include <DB/Common/Stopwatch.h>
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2013-09-08 05:53:10 +00:00
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int main(int argc, char ** argv)
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{
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using namespace DB;
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2017-03-31 16:00:30 +00:00
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2013-09-08 05:53:10 +00:00
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try
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{
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UncompressedCache cache(1024);
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std::string path = argv[1];
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std::cerr << std::fixed << std::setprecision(3);
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size_t hits = 0;
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size_t misses = 0;
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{
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Stopwatch watch;
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2015-04-14 13:44:38 +00:00
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CachedCompressedReadBuffer in(path, &cache, 0, 0);
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2013-09-09 02:23:36 +00:00
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WriteBufferFromFile out("/dev/null");
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2013-09-08 05:53:10 +00:00
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copyData(in, out);
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std::cerr << "Elapsed: " << watch.elapsedSeconds() << std::endl;
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}
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cache.getStats(hits, misses);
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std::cerr << "Hits: " << hits << ", misses: " << misses << std::endl;
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{
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Stopwatch watch;
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2015-04-14 13:44:38 +00:00
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CachedCompressedReadBuffer in(path, &cache, 0, 0);
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2013-09-09 02:23:36 +00:00
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WriteBufferFromFile out("/dev/null");
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2013-09-08 05:53:10 +00:00
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copyData(in, out);
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std::cerr << "Elapsed: " << watch.elapsedSeconds() << std::endl;
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}
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cache.getStats(hits, misses);
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std::cerr << "Hits: " << hits << ", misses: " << misses << std::endl;
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}
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catch (const Exception & e)
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{
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std::cerr << e.what() << ", " << e.displayText() << std::endl;
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return 1;
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}
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return 0;
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}
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