Hello list, I'm hitting quite easily this [1] exception with heat. The db server is configured to have 1000 max_connnections and 1000 max_user_connections and in the database section of heat conf I have these values set: max_pool_size = 22
max_overflow = 0 Full config attached. I ended up with this configuration based on this formula: num_heat_hosts=4 heat_api_workers=2 heat_api_cfn_workers=2 num_engine_workers=4 max_pool_size=22 max_overflow=0 num_heat_hosts * (max_pool_size + max_overflow) * (heat_api_workers + num_engine_workers + heat_api_cfn_workers) 704 What I have noticed is that the number of connections I expected with the above formula is not respected. Based on this formula each node (every node runs the heat-api, heat-api-cfn and heat-engine) should use up to 176 connections but they even reach 400 connections. Has anyone noticed a similar behavior? Cheers, Spyros heat-version: ocata [1] "User heat already has more than 'max_user_connections' active connections"
heat-conf
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