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Percona pbm-agent using a lot of memory when backing up mongodb
We are using percona MongoDB version 4.2.8 as a replica set across three machines and percona backup version 1.2.1 on centOS7. Currently our pbm-agents do a full backup every two hours (though we have now reduced this to once a day). Recently when the pbm-agents on the secondary machines are executing a backup, they spike to a memory usage of upwards of 24% and we think this has lead to our mongod instances being shut down by the kernel as it has run out of memory. Is there any way to configure the memory that the pbm-agent uses when it executes a backup?