THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- openssl haven't been installed, so we need to install it using "
brewinstall openssl" - or even installed, but it doesn't override the system default setting (setting env variable path) . This problem often occurs after we updated software using "brew update", the default option for brew is to install without option '–force', so we need to run "brew link openssl --force" to link it to system lib path.
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Q: Report error: "'gram.c:1370:41: error: use of undeclared identifier 'yyscanner' yychar = yylex (&yylval, &yylloc, yyscanner)" when building hawq on Mac.
A: The problem can be:
- bison version on local MAC is too high. try bison --version to look at the version, if it is later than 3.0, try install bison with a lower version, such as 2.3. And rebuild HAWQ.
Debugging & Fixing
Q: How to debug using LLDB on a Mac
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Configuration
Optimization
Q: How to vacuum all catalog
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tables?
You can run below bash file:
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- Create a Confluence account if you don't already have one.
- Sign up for the user mailing list by sending a message to user-subscribe@hawq.incubator.apache.org.
- Send a message to user@hawq.incubator.apache.org:
- Request write access to the Apache HAWQ project wiki: https://cwiki.apache.org/confluence/display/HAWQ
- Provide your Confluence username.
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