---> uname -a: Linux prd-centos8-docker-4c-4g-5263.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 1060 10825 20 3875 14350 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:71:42:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85913sec preferred_lft 85913sec inet6 fe80::f816:3eff:fe71:4230/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:99:bb:7d:11 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::42:99ff:febb:7d11/64 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) 10/26/2026 _x86_64_ (4 CPU) 12:27:57 LINUX RESTART (4 CPU) 12:29:01 PM tps rtps wtps bread/s bwrtn/s 12:30:01 PM 60.78 0.33 60.45 32.52 5754.87 12:31:01 PM 174.08 4.83 169.24 444.79 13392.59 12:32:01 PM 111.98 1.82 110.16 843.59 8828.32 12:33:01 PM 22.91 0.00 22.91 0.00 3145.14 12:34:01 PM 85.34 0.73 84.61 92.37 17032.02 12:35:01 PM 1233.10 95.05 1138.05 1697.15 30117.26 12:36:01 PM 60.67 23.98 36.69 475.79 2138.21 Average: 249.87 18.11 231.76 512.36 11487.78 12:29:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 PM 13373448 15116288 2765868 17.14 2688 1960496 1095664 6.37 140080 2272572 137808 12:31:01 PM 12635044 14678164 3504272 21.71 2688 2248060 1519860 8.84 160420 2929820 92164 12:32:01 PM 11609992 13825240 4529324 28.06 2688 2416688 2619412 15.24 207884 3891372 56 12:33:01 PM 11232352 13790548 4906964 30.40 2688 2750664 2649712 15.42 207976 4236104 258108 12:34:01 PM 11147368 14171072 4991948 30.93 2688 3167072 1796024 10.45 339652 4090108 218772 12:35:01 PM 9801436 13345504 6337880 39.27 2688 3533792 1866668 10.86 389672 5017836 6748 12:36:01 PM 11075592 14682764 5063724 31.38 2688 3591516 1257252 7.31 609084 3533236 25816 Average: 11553605 14229940 4585711 28.41 2688 2809755 1829227 10.64 293538 3710150 105639 12:29:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 56.98 34.34 958.79 6.23 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 129.47 111.96 1515.15 23.59 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:32:01 PM eth0 194.25 150.15 2153.97 21.44 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.08 0.15 0.00 0.01 0.00 0.00 0.00 0.00 12:32:01 PM veth46b0c1e 0.08 0.20 0.01 0.02 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM eth0 94.13 56.62 2168.69 4.92 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.13 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM veth46b0c1e 0.13 0.28 0.01 0.02 0.00 0.00 0.00 0.00 12:34:01 PM lo 7.15 7.15 5.34 5.34 0.00 0.00 0.00 0.00 12:34:01 PM eth0 116.53 96.38 1026.84 17.30 0.00 0.00 0.00 0.00 12:34:01 PM docker0 3.33 3.10 4.09 0.44 0.00 0.00 0.00 0.00 12:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 PM eth0 80.54 44.29 757.62 8.15 0.00 0.00 0.00 0.00 12:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM eth0 21.88 16.91 51.79 7.14 0.00 0.00 0.00 0.00 12:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 99.11 72.95 1233.26 12.68 0.00 0.00 0.00 0.00 Average: docker0 0.51 0.49 0.59 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) 10/26/2026 _x86_64_ (4 CPU) 12:27:57 LINUX RESTART (4 CPU) 12:29:01 PM CPU %user %nice %system %iowait %steal %idle 12:30:01 PM all 9.75 0.00 0.91 0.29 0.01 89.05 12:30:01 PM 0 21.08 0.00 1.97 0.35 0.02 76.58 12:30:01 PM 1 5.52 0.00 0.60 0.23 0.00 93.65 12:30:01 PM 2 6.87 0.00 0.52 0.38 0.00 92.23 12:30:01 PM 3 5.51 0.00 0.53 0.18 0.02 93.75 12:31:01 PM all 18.75 0.00 1.77 0.89 0.02 78.57 12:31:01 PM 0 15.39 0.00 1.50 0.72 0.02 82.38 12:31:01 PM 1 23.90 0.00 1.79 0.92 0.02 73.38 12:31:01 PM 2 21.57 0.00 2.09 1.15 0.02 75.17 12:31:01 PM 3 14.18 0.00 1.69 0.79 0.02 83.33 12:32:01 PM all 20.90 0.00 1.09 0.46 0.01 77.53 12:32:01 PM 0 21.43 0.00 0.75 0.42 0.00 77.40 12:32:01 PM 1 22.21 0.00 1.29 0.43 0.00 76.06 12:32:01 PM 2 17.03 0.00 1.17 0.74 0.02 81.05 12:32:01 PM 3 22.94 0.00 1.17 0.27 0.02 75.61 12:33:01 PM all 2.53 0.00 1.01 0.11 0.00 96.34 12:33:01 PM 0 2.96 0.00 0.64 0.12 0.00 96.29 12:33:01 PM 1 2.28 0.00 1.14 0.05 0.00 96.53 12:33:01 PM 2 2.48 0.00 1.20 0.03 0.02 96.27 12:33:01 PM 3 2.39 0.00 1.07 0.23 0.00 96.30 12:34:01 PM all 29.81 0.09 3.92 0.46 0.03 65.68 12:34:01 PM 0 26.88 0.10 3.41 0.61 0.03 68.97 12:34:01 PM 1 34.28 0.24 3.85 0.32 0.02 61.30 12:34:01 PM 2 27.99 0.00 4.56 0.44 0.05 66.97 12:34:01 PM 3 30.10 0.03 3.88 0.49 0.02 65.49 12:35:01 PM all 30.25 0.00 7.20 6.63 0.03 55.90 12:35:01 PM 0 35.23 0.00 7.11 7.14 0.02 50.50 12:35:01 PM 1 18.59 0.00 6.31 6.56 0.05 68.49 12:35:01 PM 2 48.65 0.00 8.36 6.61 0.02 36.36 12:35:01 PM 3 18.47 0.00 7.03 6.18 0.02 68.30 12:36:01 PM all 30.10 0.00 2.02 0.41 0.01 67.45 12:36:01 PM 0 52.72 0.00 2.95 0.42 0.02 43.90 12:36:01 PM 1 27.70 0.00 1.82 0.47 0.02 69.99 12:36:01 PM 2 17.97 0.00 1.29 0.17 0.00 80.57 12:36:01 PM 3 21.95 0.00 2.02 0.60 0.02 75.41 Average: all 20.28 0.01 2.55 1.32 0.01 75.82 Average: 0 25.09 0.01 2.61 1.39 0.01 70.89 Average: 1 19.21 0.03 2.39 1.28 0.01 77.07 Average: 2 20.33 0.00 2.73 1.35 0.02 75.57 Average: 3 16.49 0.00 2.48 1.24 0.01 79.77