The original value is very easy to cause do_packge error when cpu number is
larger, for example, 128 cores and 512G mem:

error: create archive failed: cpio: write failed - Cannot allocate memory"

Set the ZSTD_THREADS to half of the CPU number can avoid the error in my
testing.

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
---
 meta/conf/bitbake.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 71c1e52ad6..46ebf5113f 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -833,7 +833,7 @@ XZ_DEFAULTS ?= "--memlimit=${XZ_MEMLIMIT} --threads=${XZ_THREADS}"
 XZ_DEFAULTS[vardepsexclude] += "XZ_MEMLIMIT XZ_THREADS"

 # Default parallelism for zstd
-ZSTD_THREADS ?= "${@oe.utils.cpu_count(at_least=2)}"
+ZSTD_THREADS ?= "${@int(oe.utils.cpu_count(at_least=4)/2)}"
 ZSTD_THREADS[vardepvalue] = "1"

 # Limit the number of threads that OpenMP libraries will use. Otherwise they
--
2.17.1


-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#157998): https://lists.openembedded.org/g/openembedded-core/message/157998
Mute This Topic: https://lists.openembedded.org/mt/86926962/1686489
Group Owner: openembedded-core+owner@lists.openembedded.org
Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [alex.kanavin@gmail.com]
-=-=-=-=-=-=-=-=-=-=-=-