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fix(memory leaks): MCOL-5791 - get rid of memory leaks in plugin code (#3365)

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There were numerous memory leaks in plugin's code and associated code.
During typical run of MTR tests it leaked around 65 megabytes of
objects. As a result they may severely affect long-lived connections.

This patch fixes (almost) all leaks found in the plugin. The exceptions
are two leaks associated with SHOW CREATE TABLE columnstore_table and
getting information of columns of columnstore-handled table. These
should be fixed on the server side and work is on the way.
This commit is contained in:
Sergey Zefirov
2024-12-06 12:04:55 +03:00
committed by GitHub
parent aa4bbc0152
commit 3bcc2e2fda
30 changed files with 450 additions and 217 deletions
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versioning/BRM/brmshmimpl.cpp
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@ -422,6 +422,7 @@ BRMManagedShmImplRBTree::BRMManagedShmImplRBTree(unsigned key, off_t size, bool
BRMManagedShmImplRBTree::~BRMManagedShmImplRBTree()
{
delete fShmSegment;
}
void BRMManagedShmImplRBTree::setReadOnly()