---> uname -a: Linux prd-centos8-docker-4c-4g-1871.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 820 12141 20 2798 14600 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:d2:52:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85943sec preferred_lft 85943sec inet6 fe80::f816:3eff:fed2:529d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:0f:ee:dc 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) 11/09/2026 _x86_64_ (4 CPU) 05:50:41 LINUX RESTART (4 CPU) 05:52:01 AM tps rtps wtps bread/s bwrtn/s 05:53:01 AM 62.31 0.28 62.03 36.79 4861.76 05:54:01 AM 199.63 19.82 179.81 3880.19 14543.61 05:55:01 AM 94.09 2.55 91.54 367.62 5663.37 05:56:01 AM 36.81 2.83 33.98 176.77 7124.15 05:57:01 AM 10.65 0.00 10.65 0.00 234.52 05:58:01 AM 11.56 0.57 11.00 59.45 746.82 Average: 69.18 4.34 64.84 753.55 5529.25 05:52:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:53:01 AM 13264288 15072220 2875028 17.81 2688 2024024 1164988 6.78 147184 2370024 174072 05:54:01 AM 12237768 14457812 3901548 24.17 2688 2423516 1986540 11.56 178120 3307540 107472 05:55:01 AM 10980356 13450012 5158960 31.97 2688 2669152 2642844 15.38 262824 4460008 198512 05:56:01 AM 9447540 11939280 6691776 41.46 2688 2690628 3946356 22.96 275048 5974488 2492 05:57:01 AM 9377028 11873948 6762288 41.90 2688 2695648 3977884 23.14 275200 6044112 3108 05:58:01 AM 12447544 14971764 3691772 22.87 2688 2721328 1225628 7.13 463176 2794064 40316 Average: 11292421 13627506 4846895 30.03 2688 2537383 2490707 14.49 266925 4158373 87662 05:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM eth0 61.40 38.50 905.85 5.93 0.00 0.00 0.00 0.00 05:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 200.82 169.25 2248.84 29.25 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 236.41 184.56 3545.40 23.81 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 5.13 5.13 0.69 0.69 0.00 0.00 0.00 0.00 05:56:01 AM eth0 82.55 55.51 36.58 51.82 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM lo 2.50 2.50 0.20 0.20 0.00 0.00 0.00 0.00 05:57:01 AM eth0 153.37 112.50 54.21 68.88 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 AM lo 1.52 1.52 0.11 0.11 0.00 0.00 0.00 0.00 05:58:01 AM eth0 33.87 26.76 52.22 14.01 0.00 0.00 0.00 0.00 05:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 0.17 0.17 0.00 0.00 0.00 0.00 Average: eth0 128.08 97.85 1140.71 32.28 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) 11/09/2026 _x86_64_ (4 CPU) 05:50:41 LINUX RESTART (4 CPU) 05:52:01 AM CPU %user %nice %system %iowait %steal %idle 05:53:01 AM all 9.37 0.00 1.04 0.32 0.01 89.26 05:53:01 AM 0 22.18 0.00 2.37 0.58 0.02 74.85 05:53:01 AM 1 10.97 0.00 1.13 0.18 0.00 87.72 05:53:01 AM 2 3.63 0.00 0.47 0.40 0.00 95.50 05:53:01 AM 3 0.70 0.00 0.18 0.12 0.02 98.98 05:54:01 AM all 24.05 0.00 2.13 1.30 0.01 72.52 05:54:01 AM 0 21.94 0.00 2.44 1.80 0.00 73.82 05:54:01 AM 1 35.77 0.00 2.42 0.85 0.03 60.93 05:54:01 AM 2 23.81 0.00 1.59 0.97 0.00 73.63 05:54:01 AM 3 14.68 0.00 2.06 1.56 0.00 81.70 05:55:01 AM all 66.79 0.00 1.92 0.38 0.03 30.89 05:55:01 AM 0 71.15 0.00 1.27 0.05 0.02 27.52 05:55:01 AM 1 64.37 0.00 1.90 0.48 0.03 33.21 05:55:01 AM 2 72.68 0.00 2.15 0.55 0.03 24.58 05:55:01 AM 3 58.96 0.00 2.34 0.42 0.03 38.25 05:56:01 AM all 52.76 0.00 1.91 0.19 0.02 45.13 05:56:01 AM 0 63.91 0.00 1.52 0.02 0.02 34.54 05:56:01 AM 1 51.04 0.00 1.79 0.02 0.02 47.14 05:56:01 AM 2 53.77 0.00 2.14 0.22 0.03 43.84 05:56:01 AM 3 42.30 0.00 2.18 0.50 0.00 55.02 05:57:01 AM all 15.39 0.00 1.88 0.04 0.01 82.67 05:57:01 AM 0 20.91 0.00 1.27 0.00 0.02 77.80 05:57:01 AM 1 11.59 0.00 2.33 0.03 0.00 86.05 05:57:01 AM 2 16.09 0.00 2.16 0.08 0.02 81.65 05:57:01 AM 3 12.98 0.00 1.77 0.05 0.02 85.18 05:58:01 AM all 44.78 0.00 1.83 0.05 0.02 53.32 05:58:01 AM 0 34.31 0.00 1.75 0.03 0.00 63.90 05:58:01 AM 1 45.91 0.00 1.49 0.00 0.03 52.57 05:58:01 AM 2 49.62 0.00 2.71 0.10 0.02 47.55 05:58:01 AM 3 49.30 0.00 1.39 0.07 0.02 49.23 Average: all 35.53 0.00 1.78 0.38 0.02 62.30 Average: 0 39.07 0.00 1.77 0.41 0.01 58.74 Average: 1 36.60 0.00 1.84 0.26 0.02 61.28 Average: 2 36.60 0.00 1.87 0.39 0.02 61.12 Average: 3 29.83 0.00 1.65 0.45 0.01 68.05