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 |
|
glibc |
RHEL 7 |
invalid fastbin entry (free), missing glibc patch |
Fixed with glibc-2.17.106. |
|
|
glibc |
RHEL 7 |
malloc: arena free list can become cyclic, increasing contention |
Fixed with RHEL 7.3 / 2.17-157. |
|
|
glibc |
RHEL 6 |
malloc: arena free list can become cyclic, increasing contention |
Fixed with glibc-2.12.192. | |
|
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.) |
||
|
kernel |
RHEL 7 |
Kernel soft lockups |
Fixed on kernel version: kernel-3.10.0-327. | |
|
glibc |
RHEL 6 and 7 |
Malloc uses excessive memory for multi-threaded applications |
Determination: Works as expected |
- Chana