How To Release Memory Within Ndb Api

(Doc ID 2195664.1)

Last updated on MARCH 08, 2017

Applies to:

MySQL Cluster - Version 7.4 and later
Information in this document applies to any platform.

Goal

How do you release memory in ndb api?
Following is an example of where memory may be getting leaked.

==91402== 89,456,808 bytes in 42 blocks are still reachable in loss record 3,088 of 3,088
==91402== at 0x4C2A7EA: operator new[](unsigned long) (vg_replace_malloc.c:422)
==91402== by 0x7314727: init (TCP_Transporter.hpp:185)
==91402== by 0x7314727: TCP_Transporter::initTransporter() (TCP_Transporter.cpp:192)
==91402== by 0x730C0EA: TransporterRegistry::createTCPTransporter(TransporterConfiguration*) (TransporterRegistry.cpp:674)
==91402== by 0x73354AF: IPCConfig::configureTransporters(unsigned int, ndb_mgm_configuration const&, TransporterRegistry&, bool) (IPCConfig.cpp:261)
==91402== by 0x7300249: TransporterFacade::configure(unsigned short, ndb_mgm_configuration const*) (TransporterFacade.cpp:1094)
==91402== by 0x73004C0: TransporterFacade::start_instance(unsigned short, ndb_mgm_configuration const*) (TransporterFacade.cpp:482)
==91402== by 0x72EB0AB: Ndb_cluster_connection_impl::connect(int, int, int) (ndb_cluster_connection.cpp:1007)
==91402== by 0x63D649: MySqlTableModification::thread_main(void const*) (MySqlTableModification.cc:2492)
==91402== by 0x50D0F8F: DhaFw::startTheThead(void*) (TrSvThread.cc:93)
==91402== by 0x6D67DC4: start_thread (in /usr/lib64/libpthread-2.17.so)
==91402== by 0x8A3F28C: clone (in /usr/lib64/libc-2.17.so)
 

Solution

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