---> uname -a: Linux prd-centos8-docker-4c-4g-3426.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1044 10807 20 3908 14366 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:b9:83:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85893sec preferred_lft 85893sec inet6 fe80::f816:3eff:feb9:833c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:e4:2d:a8 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:dff:fee4:2da8/64 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) 10/19/2026 _x86_64_ (4 CPU) 15:31:31 LINUX RESTART (4 CPU) 03:32:01 PM tps rtps wtps bread/s bwrtn/s 03:33:01 PM 175.76 45.41 130.35 6181.99 39369.43 03:34:01 PM 105.82 0.58 105.23 143.84 9766.56 03:35:01 PM 181.22 5.45 175.77 606.20 10607.26 03:36:01 PM 41.15 0.45 40.70 415.86 5849.38 03:37:01 PM 68.18 0.50 67.68 11.99 12315.79 03:38:01 PM 75.51 0.75 74.76 36.79 11244.25 03:39:01 PM 1142.64 95.07 1047.57 1697.43 28086.37 03:40:01 PM 63.46 23.88 39.59 475.71 1845.58 Average: 231.71 21.51 210.20 1196.28 14886.03 03:32:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:33:01 PM 13520540 15080724 2618776 16.23 2688 1787800 1163972 6.77 137208 2165120 37460 03:34:01 PM 13183876 15112824 2955440 18.31 2688 2138176 1059596 6.16 139836 2430448 172692 03:35:01 PM 11430776 13624640 4708540 29.17 2688 2396708 2641884 15.37 206236 4080336 147140 03:36:01 PM 11337276 13558008 4802040 29.75 2688 2422612 2986776 17.38 208216 4164172 80 03:37:01 PM 9292988 11868156 6846328 42.42 2688 2767024 5021596 29.22 286716 6083628 1316 03:38:01 PM 10471048 13912172 5668268 35.12 2688 3510940 1881924 10.95 355616 4623540 527904 03:39:01 PM 9313136 12891188 6826180 42.30 2688 3568528 1956756 11.38 405628 5496004 8 03:40:01 PM 11136076 14775940 5003240 31.00 2688 3624788 1158228 6.74 625260 3464048 33984 Average: 11210714 13852956 4928602 30.54 2688 2777072 2233842 13.00 295590 4063412 115073 03:32:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 PM eth0 253.91 168.85 971.18 65.24 0.00 0.00 0.00 0.00 03:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 PM eth0 69.96 43.84 1146.63 7.89 0.00 0.00 0.00 0.00 03:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 PM eth0 279.57 234.32 3388.64 36.94 0.00 0.00 0.00 0.00 03:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 PM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 03:36:01 PM eth0 10.36 7.98 98.46 1.45 0.00 0.00 0.00 0.00 03:36:01 PM docker0 0.12 0.23 0.01 0.02 0.00 0.00 0.00 0.00 03:36:01 PM veth62969ae 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 03:37:01 PM lo 4.91 4.91 3.56 3.56 0.00 0.00 0.00 0.00 03:37:01 PM eth0 102.55 58.33 2173.24 10.20 0.00 0.00 0.00 0.00 03:37:01 PM docker0 3.06 2.85 3.16 0.40 0.00 0.00 0.00 0.00 03:37:01 PM veth62969ae 0.20 0.25 0.01 0.01 0.00 0.00 0.00 0.00 03:37:01 PM veth9ad484f 2.86 2.78 3.19 0.40 0.00 0.00 0.00 0.00 03:38:01 PM lo 2.30 2.30 1.67 1.67 0.00 0.00 0.00 0.00 03:38:01 PM eth0 187.42 138.50 1724.54 26.73 0.00 0.00 0.00 0.00 03:38:01 PM docker0 0.55 0.52 0.95 0.06 0.00 0.00 0.00 0.00 03:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 PM eth0 4.40 3.82 58.56 0.66 0.00 0.00 0.00 0.00 03:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 PM eth0 21.01 17.16 50.34 6.64 0.00 0.00 0.00 0.00 03:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 116.15 84.10 1201.51 19.47 0.00 0.00 0.00 0.00 Average: docker0 0.47 0.45 0.51 0.06 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) 10/19/2026 _x86_64_ (4 CPU) 15:31:31 LINUX RESTART (4 CPU) 03:32:01 PM CPU %user %nice %system %iowait %steal %idle 03:33:01 PM all 16.50 0.00 2.92 1.52 0.01 79.05 03:33:01 PM 0 12.87 0.00 3.08 1.53 0.02 82.50 03:33:01 PM 1 16.28 0.00 2.34 0.72 0.00 80.66 03:33:01 PM 2 14.64 0.00 2.23 0.62 0.02 82.49 03:33:01 PM 3 22.20 0.00 4.01 3.24 0.00 70.56 03:34:01 PM all 14.07 0.00 1.38 0.45 0.01 84.09 03:34:01 PM 0 12.92 0.00 1.15 0.40 0.02 85.51 03:34:01 PM 1 7.59 0.00 0.92 0.43 0.02 91.04 03:34:01 PM 2 18.18 0.00 1.74 0.37 0.02 79.70 03:34:01 PM 3 17.60 0.00 1.72 0.59 0.00 80.09 03:35:01 PM all 32.72 0.00 2.12 1.02 0.02 64.14 03:35:01 PM 0 28.97 0.00 2.24 1.09 0.00 67.70 03:35:01 PM 1 36.29 0.00 1.82 0.75 0.00 61.13 03:35:01 PM 2 32.62 0.00 2.59 1.27 0.05 63.46 03:35:01 PM 3 32.98 0.00 1.81 0.95 0.02 64.25 03:36:01 PM all 1.33 0.00 0.38 0.22 0.00 98.07 03:36:01 PM 0 0.89 0.00 0.38 0.17 0.00 98.56 03:36:01 PM 1 1.19 0.00 0.32 0.07 0.00 98.43 03:36:01 PM 2 2.07 0.00 0.43 0.30 0.00 97.19 03:36:01 PM 3 1.17 0.00 0.37 0.35 0.00 98.11 03:37:01 PM all 16.01 0.11 2.03 0.44 0.01 81.41 03:37:01 PM 0 13.73 0.03 1.66 0.39 0.00 84.19 03:37:01 PM 1 16.95 0.30 2.45 0.79 0.02 79.49 03:37:01 PM 2 16.75 0.00 2.40 0.27 0.02 80.56 03:37:01 PM 3 16.63 0.10 1.59 0.30 0.00 81.38 03:38:01 PM all 26.26 0.00 7.59 0.41 0.02 65.72 03:38:01 PM 0 20.39 0.00 6.48 0.47 0.02 72.64 03:38:01 PM 1 21.70 0.00 7.92 0.49 0.02 69.87 03:38:01 PM 2 39.89 0.00 9.16 0.42 0.02 50.51 03:38:01 PM 3 22.98 0.00 6.80 0.24 0.02 69.96 03:39:01 PM all 32.13 0.00 5.24 7.39 0.02 55.22 03:39:01 PM 0 27.33 0.00 4.85 7.47 0.00 60.35 03:39:01 PM 1 19.54 0.00 4.96 6.70 0.02 68.78 03:39:01 PM 2 63.66 0.00 6.09 7.44 0.03 22.78 03:39:01 PM 3 18.05 0.00 5.04 7.97 0.02 68.92 03:40:01 PM all 33.23 0.00 2.24 0.45 0.02 64.07 03:40:01 PM 0 23.60 0.00 1.72 0.18 0.02 74.48 03:40:01 PM 1 42.45 0.00 2.87 0.57 0.02 54.09 03:40:01 PM 2 21.29 0.00 1.52 0.55 0.02 76.62 03:40:01 PM 3 45.57 0.00 2.84 0.48 0.02 51.09 Average: all 21.52 0.01 2.98 1.48 0.01 74.00 Average: 0 17.58 0.00 2.69 1.46 0.01 78.26 Average: 1 20.24 0.04 2.94 1.31 0.01 75.45 Average: 2 26.10 0.00 3.26 1.40 0.02 69.22 Average: 3 22.15 0.01 3.01 1.76 0.01 73.05