---> uname -a: Linux prd-centos8-docker-4c-4g-5423.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 770 12196 20 2794 14649 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:ca:e2:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.146/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85972sec preferred_lft 85972sec inet6 fe80::f816:3eff:feca:e227/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8d:2c:6d:4a 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) 10/26/2026 _x86_64_ (4 CPU) 19:07:10 LINUX RESTART (4 CPU) 07:08:01 PM tps rtps wtps bread/s bwrtn/s 07:09:01 PM 66.43 5.85 60.58 917.83 5292.20 07:10:01 PM 151.30 18.76 132.54 3462.85 11251.12 07:11:01 PM 147.49 3.20 144.30 765.36 8624.21 07:12:01 PM 32.53 0.00 32.53 0.00 7680.27 07:13:01 PM 4.08 0.20 3.88 7.20 348.84 07:14:01 PM 9.78 3.02 6.77 231.83 272.45 Average: 68.61 5.17 63.44 897.57 5578.67 07:08:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:09:01 PM 13377076 15135780 2762240 17.11 2688 1975436 1105676 6.43 145736 2259484 136620 07:10:01 PM 12722816 14865904 3416500 21.17 2688 2348724 1316168 7.66 164752 2844872 142652 07:11:01 PM 11436180 13899268 4703136 29.14 2688 2662432 2132568 12.41 250460 4019100 217852 07:12:01 PM 10201556 12671800 5937760 36.79 2688 2669216 3197596 18.60 264688 5235180 4364 07:13:01 PM 9832000 12306652 6307316 39.08 2688 2673492 3498652 20.36 265320 5603120 712 07:14:01 PM 12493324 14995172 3645992 22.59 2688 2699400 1141044 6.64 461604 2750328 24772 Average: 11677159 13979096 4462157 27.65 2688 2504783 2065284 12.02 258760 3785347 87829 07:08:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 PM eth0 66.21 41.34 940.53 6.32 0.00 0.00 0.00 0.00 07:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 PM eth0 134.11 106.28 1478.59 22.83 0.00 0.00 0.00 0.00 07:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 PM eth0 328.01 272.99 4388.34 40.86 0.00 0.00 0.00 0.00 07:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 PM eth0 91.85 57.59 40.02 49.31 0.00 0.00 0.00 0.00 07:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 PM eth0 213.28 139.13 72.44 72.21 0.00 0.00 0.00 0.00 07:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 PM lo 6.58 6.58 0.80 0.80 0.00 0.00 0.00 0.00 07:14:01 PM eth0 28.38 26.56 49.38 20.60 0.00 0.00 0.00 0.00 07:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 143.66 107.33 1161.91 35.35 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) 10/26/2026 _x86_64_ (4 CPU) 19:07:10 LINUX RESTART (4 CPU) 07:08:01 PM CPU %user %nice %system %iowait %steal %idle 07:09:01 PM all 10.97 0.00 1.21 0.97 0.02 86.83 07:09:01 PM 0 13.37 0.00 1.20 1.40 0.02 84.01 07:09:01 PM 1 12.46 0.00 1.49 0.62 0.02 85.42 07:09:01 PM 2 16.38 0.00 1.67 1.64 0.02 80.30 07:09:01 PM 3 1.62 0.00 0.50 0.23 0.02 97.62 07:10:01 PM all 16.47 0.00 1.50 0.90 0.01 81.11 07:10:01 PM 0 12.01 0.00 1.39 1.14 0.02 85.46 07:10:01 PM 1 19.52 0.00 1.40 1.34 0.00 77.74 07:10:01 PM 2 23.57 0.00 2.04 0.35 0.02 74.02 07:10:01 PM 3 10.78 0.00 1.19 0.79 0.02 87.23 07:11:01 PM all 54.85 0.00 2.18 0.69 0.03 42.24 07:11:01 PM 0 58.47 0.00 2.47 0.74 0.03 38.29 07:11:01 PM 1 50.94 0.00 1.95 0.50 0.05 46.55 07:11:01 PM 2 55.41 0.00 1.87 0.55 0.03 42.14 07:11:01 PM 3 54.58 0.00 2.43 0.99 0.02 41.99 07:12:01 PM all 56.81 0.00 1.48 0.21 0.03 41.47 07:12:01 PM 0 60.94 0.00 0.97 0.02 0.03 38.04 07:12:01 PM 1 59.90 0.00 1.17 0.15 0.03 38.75 07:12:01 PM 2 38.56 0.00 2.07 0.67 0.02 58.68 07:12:01 PM 3 67.83 0.00 1.72 0.02 0.03 30.40 07:13:01 PM all 15.54 0.00 1.33 0.01 0.01 83.11 07:13:01 PM 0 14.39 0.00 1.37 0.02 0.02 84.21 07:13:01 PM 1 16.39 0.00 1.49 0.00 0.00 82.12 07:13:01 PM 2 18.52 0.00 1.34 0.02 0.00 80.13 07:13:01 PM 3 12.87 0.00 1.12 0.02 0.02 85.98 07:14:01 PM all 52.25 0.00 1.55 0.08 0.02 46.10 07:14:01 PM 0 69.78 0.00 2.02 0.13 0.03 28.03 07:14:01 PM 1 41.96 0.00 2.14 0.17 0.02 55.72 07:14:01 PM 2 51.64 0.00 0.97 0.02 0.02 47.36 07:14:01 PM 3 45.61 0.00 1.09 0.00 0.02 53.29 Average: all 34.48 0.00 1.54 0.48 0.02 63.48 Average: 0 38.16 0.00 1.57 0.57 0.03 59.68 Average: 1 33.53 0.00 1.61 0.46 0.02 64.38 Average: 2 34.01 0.00 1.66 0.54 0.02 63.77 Average: 3 32.22 0.00 1.34 0.34 0.02 66.08