---> uname -a: Linux prd-centos8-docker-4c-4g-670.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 758 12100 20 2902 14663 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:cc:8e:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.229/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fecc:8eb6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ce:ba:d4:c2 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) 11/03/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 207.51 59.06 148.45 7240.51 39364.36 01:25:01 PM 99.22 0.51 98.71 144.63 9701.37 01:26:01 PM 191.40 14.51 176.89 3078.95 9625.63 01:27:01 PM 76.34 6.16 70.18 1055.25 9037.67 01:28:01 PM 40.89 1.62 39.28 120.91 9265.66 Average: 123.16 16.43 106.73 2335.73 15419.99 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13540456 15103564 2598860 16.10 2688 1790520 1138328 6.62 136976 2146788 42996 01:25:01 PM 13194340 15122484 2944976 18.25 2688 2136956 1079332 6.28 139104 2419812 176516 01:26:01 PM 12514652 14821508 3624664 22.46 2688 2509224 1353116 7.87 194160 3012600 218860 01:27:01 PM 11435276 13809112 4704040 29.15 2688 2574604 2303260 13.40 255496 4017812 1076 01:28:01 PM 12396112 15022116 3743204 23.19 2688 2824952 1153944 6.71 533320 2783000 7528 Average: 12616167 14775757 3523149 21.83 2688 2367251 1405596 8.18 251811 2876002 89395 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 265.26 160.54 956.26 63.18 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 64.84 40.92 1154.41 6.49 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 313.88 261.36 4081.28 44.35 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 29.02 29.02 7.41 7.41 0.00 0.00 0.00 0.00 01:27:01 PM eth0 109.93 80.26 482.46 36.19 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 01:28:01 PM lo 2.97 2.97 0.91 0.91 0.00 0.00 0.00 0.00 01:28:01 PM eth0 89.04 69.84 274.98 936.93 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.42 6.42 1.67 1.67 0.00 0.00 0.00 0.00 Average: eth0 168.94 122.86 1390.59 218.11 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) 11/03/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 15.18 0.00 2.80 1.99 0.01 80.01 01:24:01 PM 0 10.57 0.00 2.28 0.30 0.00 86.86 01:24:01 PM 1 21.66 0.00 3.07 1.05 0.03 74.18 01:24:01 PM 2 9.65 0.00 3.18 3.05 0.00 84.13 01:24:01 PM 3 18.83 0.00 2.67 3.56 0.02 74.92 01:25:01 PM all 12.59 0.00 1.30 0.45 0.01 85.65 01:25:01 PM 0 10.22 0.00 1.12 0.25 0.00 88.41 01:25:01 PM 1 9.27 0.00 1.00 0.27 0.00 89.46 01:25:01 PM 2 21.05 0.00 2.44 0.90 0.02 75.59 01:25:01 PM 3 9.82 0.00 0.65 0.37 0.02 89.14 01:26:01 PM all 19.44 0.00 2.33 1.19 0.02 77.02 01:26:01 PM 0 17.89 0.00 1.72 0.73 0.03 79.63 01:26:01 PM 1 19.30 0.00 2.31 1.00 0.02 77.37 01:26:01 PM 2 20.60 0.00 2.90 1.51 0.02 74.97 01:26:01 PM 3 19.97 0.00 2.41 1.52 0.00 76.10 01:27:01 PM all 48.00 0.00 1.81 0.69 0.03 49.47 01:27:01 PM 0 54.34 0.00 1.85 0.85 0.02 42.94 01:27:01 PM 1 39.48 0.00 1.91 0.72 0.02 57.88 01:27:01 PM 2 40.94 0.00 2.82 0.37 0.02 55.85 01:27:01 PM 3 57.21 0.00 0.67 0.83 0.05 41.24 01:28:01 PM all 18.76 0.00 1.81 1.49 0.01 77.93 01:28:01 PM 0 22.56 0.00 2.34 0.05 0.03 75.02 01:28:01 PM 1 11.21 0.00 1.86 2.66 0.00 84.28 01:28:01 PM 2 22.78 0.00 1.56 1.62 0.02 74.03 01:28:01 PM 3 18.50 0.00 1.49 1.62 0.00 78.40 Average: all 22.83 0.00 2.01 1.16 0.02 73.98 Average: 0 23.16 0.00 1.86 0.44 0.02 74.52 Average: 1 20.22 0.00 2.03 1.14 0.01 76.59 Average: 2 23.02 0.00 2.58 1.49 0.01 72.90 Average: 3 24.92 0.00 1.58 1.59 0.02 71.89