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MCOL-1737 Add debug logging options for LRU cache

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This adds options which are user enabled to debug the LRU cache inside
ColumnStore. Specifically cache flushing.

It adds the following:
* PrimProc flush information when SIGUSR2 mode is enabled
* cpimport dictionary flush information when -d2 is used
* WriteEngineServer DML flush information to STDERR
This commit is contained in:
Andrew Hutchings
2018-09-21 09:50:10 +01:00
parent b74838bb50
commit 24c5e93756
4 changed files with 88 additions and 3 deletions
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3
writeengine/server/we_dmlcommandproc.cpp
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@ -2036,10 +2036,13 @@ uint8_t WE_DMLCommandProc::commitBatchAutoOn(messageqcpp::ByteStream& bs, std::s
{
std::set<BRM::LBID_t>::iterator lbidIter;
std::vector<BRM::LBID_t> dictFlushBlks;
cerr << "API Flushing blocks: ";
for (lbidIter = (*mapIter).second.begin(); lbidIter != (*mapIter).second.end(); lbidIter++)
{
cerr << *lbidIter << ", ";
dictFlushBlks.push_back((*lbidIter));
}
cerr << endl;
cacheutils::flushPrimProcAllverBlocks(dictFlushBlks);
fWEWrapper.getDictMap().erase(txnID);
}