---> uname -a: Linux prd-centos8-builder-4c-4g-6718.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 9.2G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 708 12261 19 2793 14706 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d9:7e:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86088sec preferred_lft 86088sec inet6 fe80::f816:3eff:fed9:7ef2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 10/27/2025 _x86_64_ (4 CPU) 15:51:05 LINUX RESTART (4 CPU) 03:52:01 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 381.94 32.13 349.81 4128.91 14412.10 03:54:01 PM 180.05 2.93 177.12 558.44 10477.12 03:55:01 PM 72.94 0.55 72.39 41.59 8670.08 03:56:01 PM 34.28 0.22 34.06 38.93 5797.70 Average: 167.30 8.96 158.34 1191.92 9839.20 03:52:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12633680 14658320 3507852 21.73 2688 2220272 1191636 6.93 216148 2865660 160920 03:54:01 PM 10755736 13198808 5385796 33.37 2688 2631476 2618532 15.23 339080 4591468 303260 03:55:01 PM 12528984 15030096 3612548 22.38 2688 2688600 885428 5.15 685500 2479400 156752 03:56:01 PM 12566460 15069332 3575072 22.15 2688 2690168 832796 4.84 688492 2439620 8924 Average: 12121215 14489139 4020317 24.91 2688 2557629 1382098 8.04 482305 3094037 157464 03:52:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 246.93 206.68 2639.97 37.42 0.00 0.00 0.00 0.00 03:54:01 PM lo 409.43 409.43 391.07 391.07 0.00 0.00 0.00 0.00 03:54:01 PM eth0 305.17 230.71 4559.62 30.77 0.00 0.00 0.00 0.00 03:55:01 PM lo 811.06 811.06 820.25 820.25 0.00 0.00 0.00 0.00 03:55:01 PM eth0 133.92 114.65 323.35 642.65 0.00 0.00 0.00 0.00 03:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:56:01 PM eth0 13.40 12.11 9.78 5.04 0.00 0.00 0.00 0.00 Average: lo 305.14 305.14 302.85 302.85 0.00 0.00 0.00 0.00 Average: eth0 174.85 141.04 1883.11 178.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 10/27/2025 _x86_64_ (4 CPU) 15:51:05 LINUX RESTART (4 CPU) 03:52:01 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 29.54 0.18 4.47 4.84 0.13 60.84 03:53:01 PM 0 23.81 0.15 3.34 4.44 0.13 68.13 03:53:01 PM 1 24.06 0.13 4.82 6.01 0.13 64.84 03:53:01 PM 2 31.65 0.25 5.43 6.83 0.15 55.69 03:53:01 PM 3 38.63 0.18 4.30 2.09 0.12 54.68 03:54:01 PM all 66.24 0.00 2.31 2.67 0.19 28.58 03:54:01 PM 0 55.74 0.00 2.74 3.88 0.22 37.42 03:54:01 PM 1 64.00 0.00 1.91 2.80 0.18 31.11 03:54:01 PM 2 75.61 0.00 1.22 1.50 0.18 21.49 03:54:01 PM 3 69.61 0.00 3.38 2.51 0.17 24.33 03:55:01 PM all 45.11 0.00 2.43 2.49 0.11 49.86 03:55:01 PM 0 38.02 0.00 2.27 2.84 0.10 56.78 03:55:01 PM 1 42.66 0.00 2.47 5.01 0.08 49.78 03:55:01 PM 2 57.97 0.00 2.49 1.38 0.12 38.05 03:55:01 PM 3 41.80 0.00 2.51 0.74 0.12 54.84 03:56:01 PM all 10.28 0.00 0.98 5.27 0.05 83.42 03:56:01 PM 0 17.35 0.00 0.99 5.00 0.07 76.59 03:56:01 PM 1 2.82 0.00 0.87 6.09 0.05 90.17 03:56:01 PM 2 14.56 0.00 1.11 6.13 0.05 78.16 03:56:01 PM 3 6.42 0.00 0.97 3.84 0.03 88.74 Average: all 37.78 0.05 2.55 3.82 0.12 55.68 Average: 0 33.72 0.04 2.33 4.04 0.13 59.74 Average: 1 33.35 0.03 2.52 4.98 0.11 59.01 Average: 2 44.98 0.06 2.56 3.96 0.13 48.32 Average: 3 39.10 0.05 2.79 2.30 0.11 55.66