---> uname -a: Linux prd-centos8-docker-4c-4g-3602.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 772 12193 20 2794 14648 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:30:52:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.217/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86028sec preferred_lft 86028sec inet6 fe80::f816:3eff:fe30:5221/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e2:6a:39:56 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/21/2026 _x86_64_ (4 CPU) 05:19:57 LINUX RESTART (4 CPU) 05:20:00 AM tps rtps wtps bread/s bwrtn/s 05:21:01 AM 386.60 209.26 177.34 20697.75 41793.61 05:22:01 AM 216.99 20.16 196.83 4126.36 15833.44 05:23:01 AM 103.05 1.72 101.33 102.78 11876.12 05:24:01 AM 8.78 0.00 8.78 0.00 494.82 05:25:01 AM 2.95 1.72 1.23 51.06 259.32 05:26:01 AM 24.08 1.65 22.43 145.15 1268.33 Average: 124.39 39.51 84.89 4228.12 11994.91 05:20:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:21:01 AM 13278836 15057672 2860480 17.72 2688 1999156 1197224 6.97 182936 2333888 182136 05:22:01 AM 12227556 14461948 3911760 24.24 2688 2438396 1603208 9.33 206844 3286724 110896 05:23:01 AM 10442216 12910604 5697100 35.30 2688 2668376 2939684 17.10 261164 5000840 10032 05:24:01 AM 10294336 12766176 5844980 36.22 2688 2671700 2974056 17.30 261248 5148052 1024 05:25:01 AM 9298544 11780656 6840772 42.39 2688 2681692 3956800 23.02 265280 6136128 2440 05:26:01 AM 12483728 14995280 3655588 22.65 2688 2708800 1177496 6.85 472616 2748484 25928 Average: 11337536 13662056 4801780 29.75 2688 2528020 2308078 13.43 275015 4109019 55409 05:20:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:21:01 AM lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 311.15 199.61 1811.75 68.53 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 225.92 193.09 2463.64 30.76 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 251.24 202.65 3396.39 31.83 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 209.63 139.65 76.64 80.83 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 70.45 56.17 23.28 31.51 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM lo 6.51 6.51 0.80 0.80 0.00 0.00 0.00 0.00 05:26:01 AM eth0 22.19 19.48 52.31 7.52 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 182.09 135.27 1305.23 41.90 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/21/2026 _x86_64_ (4 CPU) 05:19:57 LINUX RESTART (4 CPU) 05:20:00 AM CPU %user %nice %system %iowait %steal %idle 05:21:01 AM all 33.56 0.02 5.82 4.64 0.02 55.94 05:21:01 AM 0 30.59 0.00 6.87 5.01 0.02 57.52 05:21:01 AM 1 43.47 0.00 7.09 5.72 0.02 43.71 05:21:01 AM 2 34.13 0.07 4.80 2.99 0.02 58.00 05:21:01 AM 3 26.04 0.00 4.54 4.85 0.03 64.54 05:22:01 AM all 33.81 0.00 2.38 1.14 0.02 62.66 05:22:01 AM 0 35.32 0.00 1.77 0.79 0.02 62.11 05:22:01 AM 1 26.28 0.00 3.32 2.35 0.02 68.04 05:22:01 AM 2 24.90 0.00 1.44 0.52 0.00 73.14 05:22:01 AM 3 48.68 0.00 2.99 0.92 0.03 47.38 05:23:01 AM all 64.26 0.00 2.01 0.49 0.04 33.21 05:23:01 AM 0 72.18 0.00 1.05 0.40 0.05 26.32 05:23:01 AM 1 57.62 0.00 2.01 0.55 0.03 39.79 05:23:01 AM 2 59.09 0.00 1.77 0.32 0.03 38.78 05:23:01 AM 3 68.13 0.00 3.20 0.70 0.03 27.93 05:24:01 AM all 21.29 0.00 1.80 0.03 0.01 76.86 05:24:01 AM 0 23.48 0.00 1.19 0.00 0.00 75.33 05:24:01 AM 1 21.58 0.00 1.79 0.08 0.02 76.53 05:24:01 AM 2 18.55 0.00 1.91 0.05 0.02 79.48 05:24:01 AM 3 21.56 0.00 2.32 0.00 0.00 76.12 05:25:01 AM all 36.29 0.00 1.24 0.02 0.02 62.43 05:25:01 AM 0 58.65 0.00 1.84 0.07 0.05 39.39 05:25:01 AM 1 27.71 0.00 0.83 0.02 0.00 71.44 05:25:01 AM 2 32.15 0.00 1.25 0.00 0.02 66.58 05:25:01 AM 3 26.62 0.00 1.05 0.00 0.02 72.31 05:26:01 AM all 48.89 0.00 2.15 0.08 0.02 48.86 05:26:01 AM 0 43.69 0.00 1.60 0.03 0.03 54.64 05:26:01 AM 1 64.13 0.00 3.19 0.05 0.02 32.61 05:26:01 AM 2 50.18 0.00 1.72 0.15 0.02 47.93 05:26:01 AM 3 37.58 0.00 2.09 0.10 0.00 60.23 Average: all 39.67 0.00 2.57 1.08 0.02 56.66 Average: 0 43.97 0.00 2.39 1.06 0.03 52.56 Average: 1 40.14 0.00 3.04 1.47 0.02 55.33 Average: 2 36.49 0.01 2.16 0.68 0.02 60.65 Average: 3 38.08 0.00 2.70 1.10 0.02 58.10