Hi We are getting below error every now and then What s the

Question

Hi We are getting below error every now and then What s the cause of this ``` Error querying database Cause org postgresql util PSQLException ERROR 0 Partition 2023 01 03T15 2041 does not exist in table cdn logs RAJTV directory Run ALTER TABLE cdn logs RAJTV DROP PARTITION LIST 2023 01 03T15 2041 to repair the table or restore the partition directory Position 234```

Andrey Pechkurov · Answer

Most likely it s caused by the failed mmap calls errno=12 you ve faced <https questdb io docs troubleshooting faq why do i see errno12 mmap messages in the server logs>