---> uname -a: Linux prd-centos8-docker-4c-4g-13348.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 765 12093 19 2902 14658 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:1c:9f:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe1c:9f03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:ca:cb:fd brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/28/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 269.03 15.95 253.07 3237.17 16467.14 01:26:01 PM 63.51 5.23 58.28 1037.39 8898.52 01:27:01 PM 38.81 1.63 37.18 122.91 875.47 Average: 123.81 7.61 116.20 1466.19 8748.77 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12374228 14704384 3765084 23.33 2688 2532156 1385228 8.06 199420 3151096 244128 01:26:01 PM 11279400 13655460 4859912 30.11 2688 2576848 2899148 16.87 255576 4176700 1636 01:27:01 PM 12373820 15000408 3765492 23.33 2688 2824660 1140092 6.63 531872 2808732 262408 Average: 12009149 14453417 4130163 25.59 2688 2644555 1808156 10.52 328956 3378843 169391 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 475.82 295.90 4930.67 69.97 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 21.86 21.86 4.54 4.54 0.00 0.00 0.00 0.00 01:26:01 PM eth0 48.38 34.89 148.61 26.66 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 6.87 6.87 1.52 1.52 0.00 0.00 0.00 0.00 01:27:01 PM eth0 75.72 76.90 283.04 928.41 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.57 9.57 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 200.03 135.93 1788.05 341.60 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/28/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 31.40 0.00 3.07 1.26 0.11 64.15 01:25:01 PM 0 28.06 0.00 2.62 1.25 0.10 67.96 01:25:01 PM 1 38.68 0.00 3.47 1.10 0.12 56.63 01:25:01 PM 2 30.07 0.00 3.39 1.71 0.12 64.72 01:25:01 PM 3 28.80 0.00 2.81 0.99 0.10 67.30 01:26:01 PM all 49.22 0.00 1.22 0.36 0.10 49.10 01:26:01 PM 0 36.46 0.00 1.32 0.64 0.08 61.50 01:26:01 PM 1 50.64 0.00 1.44 0.35 0.10 47.48 01:26:01 PM 2 57.12 0.00 1.09 0.30 0.12 41.38 01:26:01 PM 3 52.65 0.00 1.04 0.15 0.12 46.05 01:27:01 PM all 19.03 0.00 1.54 0.13 0.05 79.25 01:27:01 PM 0 21.15 0.00 1.94 0.12 0.05 76.75 01:27:01 PM 1 14.23 0.00 1.24 0.05 0.07 84.42 01:27:01 PM 2 22.89 0.00 1.72 0.28 0.05 75.06 01:27:01 PM 3 17.85 0.00 1.25 0.07 0.05 80.78 Average: all 33.22 0.00 1.94 0.58 0.09 64.17 Average: 0 28.55 0.00 1.96 0.67 0.08 68.74 Average: 1 34.52 0.00 2.05 0.50 0.09 62.84 Average: 2 36.70 0.00 2.06 0.76 0.09 60.38 Average: 3 33.11 0.00 1.70 0.40 0.09 64.70