---> uname -a: Linux prd-centos8-docker-4c-4g-3583.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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1042 10798 20 3920 14368 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:94:e6:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.3/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85892sec preferred_lft 85892sec inet6 fe80::f816:3eff:fe94:e632/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:35:73:52:88 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::42:35ff:fe73:5288/64 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) 10/20/2026 _x86_64_ (4 CPU) 06:17:10 LINUX RESTART (4 CPU) 06:18:01 AM tps rtps wtps bread/s bwrtn/s 06:19:01 AM 165.25 6.06 159.19 944.33 6294.70 06:20:01 AM 83.49 1.88 81.60 412.20 7961.46 06:21:01 AM 200.25 4.27 195.98 491.25 14548.49 06:22:01 AM 14.68 0.47 14.21 398.93 842.77 06:23:01 AM 88.47 1.50 86.97 62.11 17738.97 06:24:01 AM 1103.73 11.38 1092.35 151.95 30779.32 06:25:01 AM 160.17 104.85 55.32 1924.24 3260.84 Average: 259.43 18.63 240.80 626.48 11632.06 06:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:19:01 AM 13311620 15051712 2827696 17.52 2688 1957236 1155200 6.72 138968 2334012 136776 06:20:01 AM 13001628 14988472 3137688 19.44 2688 2195764 1418952 8.26 154028 2596932 185800 06:21:01 AM 11621612 13825564 4517704 27.99 2688 2406908 2496244 14.52 204192 3893680 596 06:22:01 AM 11469076 13778776 4670240 28.94 2688 2507720 2853976 16.60 205788 4024916 75160 06:23:01 AM 11589732 14333188 4549584 28.19 2688 2935120 1737168 10.11 424176 3662352 8 06:24:01 AM 10218656 13755260 5920660 36.68 2688 3530556 1888848 10.99 465124 4539448 42032 06:25:01 AM 10127092 13750148 6012224 37.25 2688 3611952 2040696 11.87 494384 4596164 16976 Average: 11619917 14211874 4519399 28.00 2688 2735037 1941583 11.30 298094 3663929 65335 06:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 AM eth0 78.36 47.94 966.64 20.17 0.00 0.00 0.00 0.00 06:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 AM eth0 72.10 51.04 874.17 10.34 0.00 0.00 0.00 0.00 06:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:21:01 AM eth0 251.11 217.61 3037.75 33.61 0.00 0.00 0.00 0.00 06:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:22:01 AM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 06:22:01 AM eth0 38.95 23.19 560.39 2.81 0.00 0.00 0.00 0.00 06:22:01 AM docker0 0.20 0.32 0.01 0.03 0.00 0.00 0.00 0.00 06:22:01 AM vethf5db87f 0.20 0.47 0.01 0.04 0.00 0.00 0.00 0.00 06:23:01 AM lo 6.10 6.10 4.51 4.51 0.00 0.00 0.00 0.00 06:23:01 AM eth0 143.45 106.90 2045.12 1191.28 0.00 0.00 0.00 0.00 06:23:01 AM docker0 3.27 3.07 4.08 0.44 0.00 0.00 0.00 0.00 06:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:24:01 AM eth0 136.87 103.28 1526.06 16.18 0.00 0.00 0.00 0.00 06:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 AM eth0 2.03 2.18 0.42 0.70 0.00 0.00 0.00 0.00 06:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.91 0.91 0.65 0.65 0.00 0.00 0.00 0.00 Average: eth0 103.26 78.87 1287.15 182.16 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.48 0.58 0.07 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) 10/20/2026 _x86_64_ (4 CPU) 06:17:10 LINUX RESTART (4 CPU) 06:18:01 AM CPU %user %nice %system %iowait %steal %idle 06:19:01 AM all 10.98 0.00 1.53 1.07 0.01 86.42 06:19:01 AM 0 3.13 0.00 0.93 0.15 0.02 95.76 06:19:01 AM 1 20.25 0.00 1.74 1.30 0.00 76.71 06:19:01 AM 2 7.63 0.00 1.46 1.67 0.00 89.24 06:19:01 AM 3 12.89 0.00 1.98 1.15 0.02 83.95 06:20:01 AM all 11.51 0.00 1.10 0.79 0.01 86.58 06:20:01 AM 0 12.85 0.00 1.03 0.38 0.02 85.71 06:20:01 AM 1 10.16 0.00 1.20 1.38 0.02 87.24 06:20:01 AM 2 7.81 0.00 0.77 0.74 0.00 90.69 06:20:01 AM 3 15.23 0.00 1.40 0.67 0.00 82.70 06:21:01 AM all 25.17 0.00 1.58 1.84 0.01 71.39 06:21:01 AM 0 22.53 0.00 1.64 1.34 0.00 74.49 06:21:01 AM 1 24.83 0.00 1.49 2.48 0.00 71.20 06:21:01 AM 2 26.11 0.00 2.01 2.43 0.02 69.43 06:21:01 AM 3 27.18 0.00 1.20 1.14 0.03 70.44 06:22:01 AM all 1.58 0.00 0.58 0.09 0.00 97.75 06:22:01 AM 0 1.79 0.00 0.30 0.02 0.00 97.90 06:22:01 AM 1 1.61 0.00 0.70 0.13 0.00 97.55 06:22:01 AM 2 1.29 0.00 0.65 0.10 0.00 97.96 06:22:01 AM 3 1.65 0.00 0.67 0.10 0.00 97.58 06:23:01 AM all 25.85 0.11 2.21 1.10 0.01 70.72 06:23:01 AM 0 25.40 0.08 2.53 0.18 0.02 71.78 06:23:01 AM 1 24.27 0.03 1.93 0.64 0.00 73.13 06:23:01 AM 2 26.29 0.03 1.94 2.11 0.02 69.60 06:23:01 AM 3 27.44 0.29 2.45 1.48 0.00 68.35 06:24:01 AM all 17.34 0.00 10.45 9.07 0.02 63.11 06:24:01 AM 0 17.61 0.00 9.57 9.51 0.03 63.28 06:24:01 AM 1 24.42 0.00 12.03 10.73 0.02 52.80 06:24:01 AM 2 11.53 0.00 10.27 8.28 0.02 69.90 06:24:01 AM 3 15.79 0.00 9.94 7.76 0.02 66.50 06:25:01 AM all 43.83 0.00 1.86 1.47 0.02 52.82 06:25:01 AM 0 39.84 0.00 1.75 0.75 0.02 57.64 06:25:01 AM 1 54.74 0.00 2.64 3.28 0.03 39.31 06:25:01 AM 2 50.05 0.00 1.86 1.34 0.03 46.72 06:25:01 AM 3 30.71 0.00 1.17 0.52 0.00 67.60 Average: all 19.47 0.02 2.74 2.19 0.01 75.57 Average: 0 17.58 0.01 2.53 1.75 0.01 78.12 Average: 1 22.89 0.00 3.09 2.83 0.01 71.17 Average: 2 18.69 0.00 2.69 2.37 0.01 76.24 Average: 3 18.70 0.04 2.67 1.82 0.01 76.76