---> uname -a: Linux prd-centos8-docker-4c-4g-12769.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: 2800.000 BogoMIPS: 5600.00 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 799 12053 19 2908 14624 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:71:17:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.35/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe71:17f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:51:6e:90 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) 08/15/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 196.73 14.95 181.79 3219.86 11228.64 01:25:01 PM 169.06 6.23 162.82 1056.49 16728.46 01:26:01 PM 28.76 1.43 27.32 91.57 668.21 Average: 131.51 7.54 123.98 1456.00 9541.37 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12694380 14806764 3444940 21.35 2688 2317592 1397956 8.13 188612 2852612 219720 01:25:01 PM 11371820 13753228 4767500 29.54 2688 2582136 2377020 13.83 255600 4088092 1796 01:26:01 PM 12334244 14967112 3805076 23.58 2688 2831472 1221304 7.11 530776 2852028 263760 Average: 12133481 14509035 4005839 24.82 2688 2577067 1665427 9.69 324996 3264244 161759 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 170.04 128.96 2073.02 29.44 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 13.98 13.98 3.61 3.61 0.00 0.00 0.00 0.00 01:25:01 PM eth0 309.97 207.18 3716.22 45.24 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 15.44 15.44 2.51 2.51 0.00 0.00 0.00 0.00 01:26:01 PM eth0 75.29 74.56 276.03 928.70 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 Average: lo 9.81 9.81 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 185.09 136.90 2021.66 334.47 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) 08/15/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.95 0.00 2.35 1.11 0.10 70.49 01:24:01 PM 0 20.62 0.00 1.60 0.82 0.10 76.85 01:24:01 PM 1 29.11 0.00 2.27 0.85 0.08 67.68 01:24:01 PM 2 28.99 0.00 3.05 1.69 0.10 66.18 01:24:01 PM 3 25.09 0.00 2.49 1.07 0.10 71.24 01:25:01 PM all 51.64 0.00 2.03 0.98 0.10 45.24 01:25:01 PM 0 59.37 0.00 1.37 0.65 0.10 38.51 01:25:01 PM 1 56.89 0.00 1.72 0.50 0.10 40.78 01:25:01 PM 2 49.62 0.00 1.94 1.07 0.10 47.27 01:25:01 PM 3 40.65 0.00 3.10 1.71 0.12 54.43 01:26:01 PM all 16.90 0.00 1.25 0.11 0.07 81.67 01:26:01 PM 0 10.59 0.00 0.94 0.02 0.05 88.41 01:26:01 PM 1 16.46 0.00 1.12 0.05 0.07 82.30 01:26:01 PM 2 22.98 0.00 1.09 0.05 0.10 75.78 01:26:01 PM 3 17.57 0.00 1.87 0.32 0.07 80.18 Average: all 31.50 0.00 1.88 0.73 0.09 65.80 Average: 0 30.20 0.00 1.30 0.50 0.08 67.92 Average: 1 34.17 0.00 1.70 0.47 0.08 63.58 Average: 2 33.86 0.00 2.02 0.94 0.10 63.08 Average: 3 27.76 0.00 2.49 1.03 0.09 68.62