---> uname -a: Linux prd-centos8-docker-4c-4g-5043.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 1069 10820 20 3870 14341 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:55:af:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.122/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85946sec preferred_lft 85946sec inet6 fe80::f816:3eff:fe55:af03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e6:07:37:64 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:e6ff:fe07:3764/64 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) 11/02/2026 _x86_64_ (4 CPU) 12:29:07 LINUX RESTART (4 CPU) 12:30:02 PM tps rtps wtps bread/s bwrtn/s 12:31:01 PM 66.79 0.34 66.45 33.07 4966.82 12:32:01 PM 224.17 5.75 218.42 741.51 15020.70 12:33:01 PM 60.46 0.83 59.63 425.59 7105.46 12:34:01 PM 14.86 0.00 14.86 0.00 2378.50 12:35:01 PM 111.16 0.73 110.43 92.38 19642.68 12:36:01 PM 1211.73 95.12 1116.61 1697.83 28627.01 12:37:01 PM 72.14 24.83 47.32 546.62 2949.18 Average: 252.07 18.27 233.80 506.45 11543.04 12:30:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:31:01 PM 13321908 15107852 2817408 17.46 2688 2002284 1055288 6.14 140332 2321420 173972 12:32:01 PM 12363352 14538604 3775964 23.40 2688 2378264 1588436 9.24 175720 3184116 174732 12:33:01 PM 11399140 13609812 4740176 29.37 2688 2412116 2800908 16.30 207828 4103792 64 12:34:01 PM 11024396 13578184 5114920 31.69 2688 2746220 2846060 16.56 207932 4446128 293052 12:35:01 PM 10677208 14062488 5462108 33.84 2688 3471588 1783988 10.38 340396 4456260 527896 12:36:01 PM 9051344 12591000 7087972 43.92 2688 3529184 1929292 11.22 391224 5762332 12 12:37:01 PM 11099172 14704548 5040144 31.23 2688 3587800 1201492 6.99 619976 3503116 7256 Average: 11276646 14027498 4862670 30.13 2688 2875351 1886495 10.98 297630 3968166 168141 12:30:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 73.48 50.42 1082.11 10.65 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 280.63 233.68 3369.29 37.37 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM eth0 21.28 16.84 188.26 3.33 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 12:33:01 PM veth917ca64 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 12:34:01 PM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:34:01 PM eth0 90.33 50.74 2169.13 4.60 0.00 0.00 0.00 0.00 12:34:01 PM docker0 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:34:01 PM veth917ca64 0.17 0.22 0.01 0.01 0.00 0.00 0.00 0.00 12:35:01 PM lo 7.47 7.47 5.31 5.31 0.00 0.00 0.00 0.00 12:35:01 PM eth0 180.15 133.99 1727.20 24.83 0.00 0.00 0.00 0.00 12:35:01 PM docker0 3.52 3.15 4.10 0.45 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 3.45 2.53 58.46 0.54 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 12:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 PM eth0 24.19 19.33 53.06 7.86 0.00 0.00 0.00 0.00 12:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.76 0.76 0.00 0.00 0.00 0.00 Average: eth0 96.28 72.57 1235.79 12.75 0.00 0.00 0.00 0.00 Average: docker0 0.54 0.50 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) 11/02/2026 _x86_64_ (4 CPU) 12:29:07 LINUX RESTART (4 CPU) 12:30:02 PM CPU %user %nice %system %iowait %steal %idle 12:31:01 PM all 10.63 0.00 1.03 0.25 0.01 88.07 12:31:01 PM 0 18.41 0.00 1.66 0.20 0.02 79.71 12:31:01 PM 1 9.38 0.00 0.80 0.19 0.00 89.63 12:31:01 PM 2 3.94 0.00 0.53 0.19 0.02 95.33 12:31:01 PM 3 10.78 0.00 1.14 0.42 0.02 87.64 12:32:01 PM all 22.60 0.00 2.07 1.18 0.02 74.14 12:32:01 PM 0 24.37 0.00 1.98 1.13 0.02 72.50 12:32:01 PM 1 16.93 0.00 2.34 1.62 0.02 79.09 12:32:01 PM 2 28.16 0.00 1.92 1.19 0.02 68.72 12:32:01 PM 3 20.93 0.00 2.02 0.77 0.02 76.26 12:33:01 PM all 13.63 0.00 0.62 0.27 0.00 85.48 12:33:01 PM 0 15.76 0.00 0.33 0.02 0.02 83.88 12:33:01 PM 1 10.52 0.00 0.87 0.47 0.00 88.14 12:33:01 PM 2 14.67 0.00 0.53 0.52 0.00 84.28 12:33:01 PM 3 13.56 0.00 0.75 0.07 0.00 85.62 12:34:01 PM all 2.47 0.00 0.90 0.08 0.01 96.54 12:34:01 PM 0 2.47 0.00 0.92 0.05 0.00 96.56 12:34:01 PM 1 2.61 0.00 0.64 0.02 0.02 96.72 12:34:01 PM 2 2.39 0.00 1.10 0.15 0.00 96.35 12:34:01 PM 3 2.40 0.00 0.95 0.08 0.02 96.55 12:35:01 PM all 31.99 0.10 5.95 0.54 0.01 61.41 12:35:01 PM 0 27.10 0.17 4.14 0.24 0.02 68.34 12:35:01 PM 1 36.25 0.15 6.32 0.69 0.00 56.58 12:35:01 PM 2 32.21 0.03 6.17 0.46 0.02 61.12 12:35:01 PM 3 32.42 0.05 7.20 0.76 0.02 59.55 12:36:01 PM all 32.98 0.00 4.79 7.48 0.03 54.72 12:36:01 PM 0 28.22 0.00 4.96 8.04 0.02 58.77 12:36:01 PM 1 23.96 0.00 3.65 5.65 0.02 66.72 12:36:01 PM 2 60.42 0.00 5.08 7.83 0.05 26.62 12:36:01 PM 3 19.29 0.00 5.48 8.43 0.02 66.78 12:37:01 PM all 26.32 0.00 2.19 0.45 0.02 71.02 12:37:01 PM 0 50.88 0.00 3.51 0.65 0.03 44.93 12:37:01 PM 1 26.35 0.00 2.29 0.47 0.03 70.86 12:37:01 PM 2 14.89 0.00 1.50 0.27 0.00 83.34 12:37:01 PM 3 13.15 0.00 1.45 0.42 0.00 84.97 Average: all 20.08 0.01 2.50 1.46 0.01 75.92 Average: 0 23.90 0.02 2.50 1.47 0.02 72.09 Average: 1 17.99 0.02 2.41 1.30 0.01 78.27 Average: 2 22.39 0.00 2.40 1.51 0.01 73.68 Average: 3 16.06 0.01 2.71 1.56 0.01 79.65