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

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

 

I work for HPE in Vertica Community Documentation. Your feedback on HPE products is appreciated.

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