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Error connecting pt-pt socket for send
When running multi-node Vertica clusters with certain versions of the Linux kernel, (list below) queries intermittently failed with the error message: "Error connecting pt-pt socket for send: Cannot assign requested address" This issue appears to be caused by an issue in Red Hat Enterprise Linux (RHEL) 5 and 6, as well as in a number of security patches issued by Red Hat. Vertica is working with Red Hat to identify and help resolve this issue. This problem has been observed with Vertica 5.0, 5.1 and Vertica 6.x when running on specific versions of the Linux kernel (including the default kernels distributed in Red Had Enterprise Linux 6 and derivative (e.g. CentOS 6) distributions.)