INFO:root:Processing binary file: be/build/latest/util/libloggingsupport.so Extracting from RPMs/DEBs INFO:root:Processing binary file: be/build/latest/service/impalad INFO:root:Processing binary file: be/build/latest/service/libfesupport.so $ dump_breakpad_symbols.py -f be/build/latest/service/libfesupport.so be/build/latest/service/impalad be/build/latest/util/libloggingsupport.so -d /tmp/syms tmp/syms is the target directory for the converted symbol files. If you compiled Impala locally and have access to the build results, you can tell the script where to search for binaries. Breakpad symbol files are identified by hashes, so you can dump symbols for multiple binaries into the same destination folder. The script will write a directory of files, which can then be used by Breakpad's minidump_stackwalk tool to resolve the symbols. The Impala repository contains a script called dump_breakpad_symbols.py, which can be used to convert debug symbols from various sources into Breakpad's own format.

Resolve the symbols by combining the minidump file and the extracted symbols.

Dump the debug symbols for the binary that wrote the minidump and convert them into Breakpad's internal symbol format.

You will have to resolve the symbols yourself. Minidump files do not contain debug symbols. If you have a local cluster running, you can try this by using the kill command:ĥ282c9d1-892e-3f43-6867e5f3-6134bc8f.dmp I found a Minidump, what now? Starting with Impala 2.7.0 ( IMPALA-3677 ), Impala daemons will also write minidumps when receiving a SIGUSR1 signal. During a crash, Impala daemons (catalogs, impalad, statestored) will automatically write minidump files - there's nothing to enable. Google Breakpad has been integrated in Impala since version 2.6.0 ( IMPALA-2686 ). A more detailed introduction to Breakpad can be found here.

Minidump files written by Impala have names like 7dd118b5-fd6a-9098-79215292-715fcff9.dmp. in Chrome, Firefox, Android and developed as an open source project. The Breakpad library is widely used, e.g.

Symbol resolution happens on the developer side, so there is no need to ship debug symbols together with Impala binaries. The resulting files are much smaller than traditional core dumps and can be collected over networks much more quickly. ) and process information (loaded modules). They contain the crash reason, up to 8 KB of stack memory per thread, plus environment (OS, CPU. Minidumps are small, concise crash dumps, written by the Google Breakpad library.

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