---> uname -a: Linux prd-centos8-docker-4c-4g-3624.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 1046 10848 20 3866 14364 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:e6:da:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.212/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85909sec preferred_lft 85909sec inet6 fe80::f816:3eff:fee6:da93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:38:36:bf:dd 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::42:38ff:fe36:bfdd/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) 08:03:25 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 195.97 29.93 166.04 4587.74 3624.55 08:06:01 AM 105.70 0.58 105.11 143.82 9733.71 08:07:01 AM 193.37 5.63 187.74 611.90 10858.56 08:08:01 AM 33.97 0.47 33.51 418.66 5121.43 08:09:01 AM 65.52 0.62 64.90 40.65 12101.33 08:10:01 AM 412.90 0.55 412.35 55.31 18458.80 08:11:01 AM 853.22 94.72 758.51 1694.78 19672.70 Average: 265.79 18.93 246.86 1079.12 11366.76 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 13514056 15079768 2625260 16.27 2688 1793388 1183304 6.88 139080 2170524 41812 08:06:01 AM 13182208 15111124 2957108 18.32 2688 2138128 1076556 6.26 141304 2431192 173072 08:07:01 AM 11418556 13598508 4720760 29.25 2688 2382712 2622060 15.26 206012 4093316 131216 08:08:01 AM 11347476 13554376 4791840 29.69 2688 2408696 2964680 17.25 208016 4154060 28 08:09:01 AM 9411684 11973796 6727632 41.68 2688 2753976 4891280 28.46 286812 5966328 1308 08:10:01 AM 10523588 13948112 5615728 34.80 2688 3468132 1771760 10.31 341696 4506764 386396 08:11:01 AM 8925212 12460360 7214104 44.70 2688 3525732 1892596 11.01 392484 5884420 8 Average: 11188969 13675149 4950347 30.67 2688 2638681 2343177 13.63 245058 4172372 104834 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 305.95 178.11 976.07 65.84 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 72.86 46.03 1153.84 7.99 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 294.62 236.89 3155.52 39.81 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 08:08:01 AM eth0 10.05 7.38 98.33 1.42 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethfe7f770 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM lo 4.63 4.63 3.48 3.48 0.00 0.00 0.00 0.00 08:09:01 AM eth0 98.15 52.21 2170.19 4.73 0.00 0.00 0.00 0.00 08:09:01 AM docker0 2.90 2.72 3.15 0.39 0.00 0.00 0.00 0.00 08:09:01 AM vethfe7f770 0.17 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM veth81e01bb 2.73 2.67 3.18 0.39 0.00 0.00 0.00 0.00 08:10:01 AM lo 2.77 2.77 1.85 1.85 0.00 0.00 0.00 0.00 08:10:01 AM eth0 180.46 130.56 1723.62 22.78 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.50 0.52 0.94 0.06 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 3.98 3.40 64.50 0.61 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.76 0.76 0.00 0.00 0.00 0.00 Average: eth0 138.01 93.51 1334.57 20.46 0.00 0.00 0.00 0.00 Average: docker0 0.50 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) 10/20/2026 _x86_64_ (4 CPU) 08:03:25 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 12.14 0.00 1.88 0.96 0.03 84.99 08:05:01 AM 0 17.85 0.00 2.31 0.55 0.03 79.25 08:05:01 AM 1 9.31 0.00 1.82 2.43 0.02 86.42 08:05:01 AM 2 8.18 0.00 1.04 0.39 0.03 90.37 08:05:01 AM 3 13.21 0.00 2.36 0.47 0.02 83.94 08:06:01 AM all 14.20 0.00 1.46 0.51 0.02 83.81 08:06:01 AM 0 12.73 0.00 1.80 0.47 0.02 84.99 08:06:01 AM 1 12.18 0.00 1.08 0.38 0.03 86.31 08:06:01 AM 2 18.16 0.00 1.62 0.70 0.02 79.50 08:06:01 AM 3 13.74 0.00 1.34 0.47 0.02 84.44 08:07:01 AM all 32.51 0.00 2.11 0.96 0.02 64.40 08:07:01 AM 0 30.92 0.00 2.46 1.04 0.03 65.55 08:07:01 AM 1 34.63 0.00 1.49 0.42 0.02 63.44 08:07:01 AM 2 34.77 0.00 2.72 1.51 0.02 60.99 08:07:01 AM 3 29.72 0.00 1.76 0.89 0.02 67.62 08:08:01 AM all 0.95 0.00 0.35 0.20 0.01 98.50 08:08:01 AM 0 0.84 0.00 0.27 0.03 0.02 98.85 08:08:01 AM 1 0.87 0.00 0.43 0.50 0.00 98.19 08:08:01 AM 2 0.99 0.00 0.37 0.25 0.02 98.38 08:08:01 AM 3 1.10 0.00 0.32 0.00 0.00 98.58 08:09:01 AM all 16.42 0.11 1.85 0.33 0.01 81.28 08:09:01 AM 0 17.60 0.18 1.80 0.54 0.00 79.89 08:09:01 AM 1 14.24 0.10 1.71 0.42 0.02 83.51 08:09:01 AM 2 17.76 0.03 2.13 0.10 0.00 79.98 08:09:01 AM 3 16.08 0.12 1.78 0.27 0.02 81.74 08:10:01 AM all 24.63 0.00 8.21 2.70 0.04 64.43 08:10:01 AM 0 36.61 0.00 8.98 1.94 0.03 52.44 08:10:01 AM 1 26.11 0.00 8.12 3.05 0.03 62.69 08:10:01 AM 2 20.42 0.00 7.29 2.42 0.03 69.83 08:10:01 AM 3 15.42 0.00 8.45 3.37 0.05 72.71 08:11:01 AM all 33.80 0.00 3.65 5.67 0.04 56.83 08:11:01 AM 0 26.42 0.00 3.77 5.35 0.05 64.42 08:11:01 AM 1 19.79 0.00 2.98 5.53 0.03 71.67 08:11:01 AM 2 35.07 0.00 3.22 4.67 0.03 57.00 08:11:01 AM 3 53.96 0.00 4.65 7.13 0.03 34.23 Average: all 19.22 0.02 2.78 1.61 0.02 76.35 Average: 0 20.37 0.03 3.04 1.41 0.03 75.12 Average: 1 16.71 0.01 2.51 1.82 0.02 78.93 Average: 2 19.32 0.00 2.62 1.43 0.02 76.60 Average: 3 20.46 0.02 2.94 1.79 0.02 74.77