---> uname -a: Linux prd-centos8-docker-8c-8g-4694.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1056 26994 19 3836 30365 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:04:24:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.75/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fe04:241a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:64:19:c3 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 inet6 fe80::42:cfff:fe64:19c3/64 scope link 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) 08/07/2026 _x86_64_ (8 CPU) 03:38:04 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 189.22 14.45 174.78 3117.63 15691.55 03:41:01 AM 373.70 5.53 368.17 1233.26 11476.52 03:42:01 AM 261.68 3.00 258.68 449.03 44901.10 Average: 274.86 7.66 267.20 1599.87 24026.07 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 29095752 31140144 3557620 10.90 2688 2358116 2027732 6.02 194980 2883264 72576 03:41:01 AM 27589680 30037040 5063692 15.51 2688 2752448 2385712 7.08 341452 4207468 183864 03:42:01 AM 26461468 29842092 6191904 18.96 2688 3671504 2535564 7.52 647684 4973200 66716 Average: 27715633 30339759 4937739 15.12 2688 2927356 2316336 6.87 394705 4021311 107719 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 207.15 171.41 2103.69 45.52 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 426.78 363.57 5621.44 50.34 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 413.54 325.58 7113.11 182.51 0.00 0.00 0.00 0.00 03:42:01 AM docker0 9.86 14.32 0.57 308.03 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 349.16 286.86 4946.28 92.80 0.00 0.00 0.00 0.00 Average: docker0 3.29 4.78 0.19 102.70 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) 08/07/2026 _x86_64_ (8 CPU) 03:38:04 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 12.22 0.00 1.16 2.20 0.07 84.36 03:40:01 AM 0 8.26 0.00 0.94 0.45 0.08 90.27 03:40:01 AM 1 10.10 0.00 1.10 7.74 0.05 81.01 03:40:01 AM 2 7.12 0.00 1.56 1.34 0.10 89.88 03:40:01 AM 3 18.50 0.00 1.59 0.67 0.08 79.16 03:40:01 AM 4 19.49 0.00 1.42 1.92 0.07 77.11 03:40:01 AM 5 10.23 0.00 0.90 1.67 0.03 87.17 03:40:01 AM 6 10.75 0.00 0.79 2.98 0.08 85.40 03:40:01 AM 7 13.27 0.00 0.97 0.84 0.03 84.90 03:41:01 AM all 28.50 0.00 1.77 1.12 0.13 68.49 03:41:01 AM 0 25.34 0.00 2.13 2.05 0.12 70.37 03:41:01 AM 1 34.18 0.00 1.59 0.27 0.12 63.84 03:41:01 AM 2 22.50 0.00 1.52 0.69 0.10 75.18 03:41:01 AM 3 34.08 0.00 3.04 3.22 0.13 59.52 03:41:01 AM 4 27.24 0.00 1.17 0.89 0.17 70.53 03:41:01 AM 5 29.47 0.00 0.94 0.17 0.12 69.30 03:41:01 AM 6 39.34 0.00 1.81 0.44 0.13 58.28 03:41:01 AM 7 15.82 0.00 1.93 1.24 0.12 80.89 03:42:01 AM all 14.97 0.00 2.81 1.95 0.12 80.15 03:42:01 AM 0 12.42 0.00 2.23 0.74 0.13 84.48 03:42:01 AM 1 18.55 0.00 3.26 3.35 0.10 74.74 03:42:01 AM 2 12.32 0.00 2.97 1.55 0.12 83.05 03:42:01 AM 3 18.77 0.00 3.46 2.18 0.15 75.43 03:42:01 AM 4 12.81 0.00 2.27 0.66 0.13 84.13 03:42:01 AM 5 7.47 0.00 3.16 1.78 0.13 87.45 03:42:01 AM 6 18.06 0.00 2.99 3.63 0.08 75.24 03:42:01 AM 7 19.36 0.00 2.10 1.74 0.12 76.68 Average: all 18.56 0.00 1.91 1.76 0.10 77.67 Average: 0 15.33 0.00 1.76 1.08 0.11 81.71 Average: 1 20.94 0.00 1.98 3.79 0.09 73.20 Average: 2 13.98 0.00 2.02 1.19 0.11 82.71 Average: 3 23.78 0.00 2.69 2.02 0.12 71.38 Average: 4 19.85 0.00 1.62 1.16 0.12 77.25 Average: 5 15.74 0.00 1.66 1.21 0.09 81.30 Average: 6 22.71 0.00 1.86 2.35 0.10 72.98 Average: 7 16.14 0.00 1.66 1.27 0.09 80.83