---> uname -a: Linux prd-centos8-docker-4c-4g-1072.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: 2800.012 BogoMIPS: 5600.02 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 774 12186 20 2800 14646 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:94:af:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85964sec preferred_lft 85964sec inet6 fe80::f816:3eff:fe94:af49/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:43:0d:c9: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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/05/2026 _x86_64_ (4 CPU) 09:52:09 LINUX RESTART (4 CPU) 09:53:01 AM tps rtps wtps bread/s bwrtn/s 09:54:01 AM 93.64 6.11 87.52 927.29 5364.51 09:55:01 AM 105.88 14.63 91.25 3098.43 8104.47 09:56:01 AM 189.71 7.89 181.81 1149.63 11443.22 09:57:01 AM 42.39 2.83 39.55 176.74 8319.99 09:58:01 AM 11.50 0.00 11.50 0.00 340.34 09:59:01 AM 11.08 0.22 10.86 13.06 329.55 Average: 75.71 5.28 70.43 894.26 5650.96 09:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:54:01 AM 13367860 15126944 2771456 17.17 2688 1976160 1119400 6.51 144668 2270484 136772 09:55:01 AM 12852612 14948104 3286704 20.36 2688 2302368 1279204 7.44 158356 2733412 192228 09:56:01 AM 11598588 14059728 4540728 28.13 2688 2661228 1868772 10.87 240788 3870936 224980 09:57:01 AM 9304328 11795088 6834988 42.35 2688 2689572 4107400 23.90 274664 6116912 4248 09:58:01 AM 9231704 11726476 6907612 42.80 2688 2693488 4123500 23.99 274772 6189172 1136 09:59:01 AM 12535464 15042068 3603852 22.33 2688 2704432 1138884 6.63 458020 2712832 18624 Average: 11481759 13783068 4657557 28.86 2688 2504541 2272860 13.22 258545 3982291 96331 09:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:54:01 AM eth0 60.43 39.12 943.80 11.46 0.00 0.00 0.00 0.00 09:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:55:01 AM eth0 88.77 63.31 927.77 15.40 0.00 0.00 0.00 0.00 09:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 AM eth0 451.47 350.28 5033.14 49.76 0.00 0.00 0.00 0.00 09:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 AM lo 4.08 4.08 0.59 0.59 0.00 0.00 0.00 0.00 09:57:01 AM eth0 33.37 28.69 11.97 24.18 0.00 0.00 0.00 0.00 09:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 AM lo 2.50 2.50 0.20 0.20 0.00 0.00 0.00 0.00 09:58:01 AM eth0 372.52 257.17 161.57 148.85 0.00 0.00 0.00 0.00 09:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 AM lo 2.05 2.05 0.15 0.15 0.00 0.00 0.00 0.00 09:59:01 AM eth0 128.93 90.48 87.24 59.01 0.00 0.00 0.00 0.00 09:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.44 1.44 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 189.26 138.19 1194.52 51.44 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) 11/05/2026 _x86_64_ (4 CPU) 09:52:09 LINUX RESTART (4 CPU) 09:53:01 AM CPU %user %nice %system %iowait %steal %idle 09:54:01 AM all 10.14 0.00 1.08 0.63 0.00 88.14 09:54:01 AM 0 5.54 0.00 0.75 0.32 0.00 93.39 09:54:01 AM 1 11.01 0.00 0.82 0.40 0.00 87.78 09:54:01 AM 2 15.98 0.00 1.79 1.00 0.00 81.23 09:54:01 AM 3 8.02 0.00 0.97 0.82 0.02 90.18 09:55:01 AM all 12.73 0.00 1.15 0.64 0.01 85.46 09:55:01 AM 0 6.53 0.00 0.68 0.43 0.00 92.35 09:55:01 AM 1 23.31 0.00 2.30 1.40 0.02 72.97 09:55:01 AM 2 8.27 0.00 0.82 0.38 0.02 90.51 09:55:01 AM 3 12.82 0.00 0.80 0.35 0.00 86.03 09:56:01 AM all 50.64 0.00 2.19 1.01 0.01 46.16 09:56:01 AM 0 47.00 0.00 2.43 1.34 0.02 49.22 09:56:01 AM 1 57.84 0.00 1.67 0.45 0.00 40.04 09:56:01 AM 2 47.59 0.00 2.69 1.69 0.02 48.01 09:56:01 AM 3 50.12 0.00 1.95 0.57 0.00 47.36 09:57:01 AM all 62.37 0.00 1.64 0.21 0.02 35.76 09:57:01 AM 0 61.07 0.00 1.75 0.27 0.02 36.89 09:57:01 AM 1 71.66 0.00 1.45 0.07 0.02 26.80 09:57:01 AM 2 45.60 0.00 2.01 0.10 0.02 52.28 09:57:01 AM 3 71.10 0.00 1.35 0.42 0.02 27.12 09:58:01 AM all 20.59 0.00 1.92 0.02 0.00 77.46 09:58:01 AM 0 20.28 0.00 1.59 0.03 0.02 78.08 09:58:01 AM 1 18.28 0.00 1.99 0.02 0.00 79.72 09:58:01 AM 2 20.55 0.00 1.94 0.02 0.00 77.49 09:58:01 AM 3 23.24 0.00 2.17 0.02 0.00 74.57 09:59:01 AM all 40.98 0.00 1.78 0.03 0.01 57.19 09:59:01 AM 0 36.74 0.00 1.44 0.02 0.00 61.81 09:59:01 AM 1 35.77 0.00 1.71 0.05 0.02 62.45 09:59:01 AM 2 64.60 0.00 2.04 0.05 0.02 33.29 09:59:01 AM 3 26.79 0.00 1.96 0.02 0.00 71.24 Average: all 32.91 0.00 1.63 0.43 0.01 65.03 Average: 0 29.52 0.00 1.44 0.40 0.01 68.63 Average: 1 36.32 0.00 1.66 0.40 0.01 61.62 Average: 2 33.77 0.00 1.88 0.54 0.01 63.80 Average: 3 32.02 0.00 1.53 0.36 0.01 66.07