Support Notice--Known Errors in CentOS and RHEL 7: Vertica Impact

ChanaZ

Support Notice

The following is a support notice as of November 2016.

 

Warnings

Known errors in CentOS/RHEL 7 could impact the stability of your Vertica database. If you encounter these errors, HPE recommends contacting Red Hat or reverting to CentOS/RHEL 6.x.

 

The known CentOS and RHEL errors are listed below, along with additional information, including the version in which they are fixed. Not all bugs are available for public view. Those that require a Red Hat login to access are marked with an asterisk (*).

 

Red Hat Issue	Component	Version	Title	Fix information
Bug 1305406*	glibc	RHEL 7	invalid fastbin entry (free), missing glibc patch	Fixed with glibc-2.17.106.
Bug 1276753	glibc	RHEL 7	malloc: arena free list can become cyclic, increasing contention	Fixed with RHEL 7.3 / 2.17-157.
Bug 1264189*	glibc	RHEL 6	malloc: arena free list can become cyclic, increasing contention	Fixed with glibc-2.12.192.
Bug 1305620	kernel	RHEL 7	kernel panic/crash at page_lock_anon_vma_read (which then calls down_read_trylock() which takes a memory fault at instruction offset 0x9.)
Bug 1205862*	kernel	RHEL 7	Kernel soft lockups	Fixed on kernel version: kernel-3.10.0-327.
Bug 11261	glibc	RHEL 6 and 7	Malloc uses excessive memory for multi-threaded applications	Determination: Works as expected

 

- Chana

 

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