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24 lines
537 B
Plaintext
24 lines
537 B
Plaintext
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# Generate "jeprof" tool.
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cd contrib/jemalloc
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./autogen.sh
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# The tool is in /bin directory. Copy it somewhere or add it to PATH.
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cp bin/jeprof ...
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# Build ClickHouse in debug mode.
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# Set environment variable to enable profiling.
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export MALLOC_CONF="prof:true,prof_accum:true,lg_prof_interval:28"
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# Run clickhouse-server.
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# ClickHouse will generate profile dumps with names like jeprof*
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# Use jeprof tool to analyze them:
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./jeprof ./clickhouse-server jeprof.4017.0.f.heap
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# It will spend a few minutes before displaying prompt.
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