---> uname -a: Linux prd-centos8-docker-4c-4g-14888.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 nrip_save 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 801 12054 19 2905 14621 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:f5:1f:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.135/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fef5:1f2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ab:00:1f:8e 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) 08/02/2026 _x86_64_ (4 CPU) 13:23:09 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 239.25 14.95 224.31 3219.86 13320.73 01:26:01 PM 113.91 6.23 107.68 1056.31 13080.97 01:27:01 PM 28.03 1.63 26.40 122.91 650.52 Average: 127.07 7.60 119.47 1466.44 9017.87 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12500324 14792336 3638996 22.55 2688 2495124 1407956 8.19 191976 3031988 298400 01:26:01 PM 11367020 13745012 4772300 29.57 2688 2578492 2738816 15.93 255908 4087412 1636 01:27:01 PM 12312280 14941032 3827040 23.71 2688 2826888 1229496 7.15 532392 2869048 263792 Average: 12059875 14492793 4079445 25.28 2688 2633501 1792089 10.43 326759 3329483 187943 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 305.11 224.73 4331.60 39.84 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 21.88 21.88 4.54 4.54 0.00 0.00 0.00 0.00 01:26:01 PM eth0 166.69 93.82 751.47 39.75 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 7.17 7.17 1.54 1.54 0.00 0.00 0.00 0.00 01:27:01 PM eth0 56.02 65.01 271.86 924.53 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.68 9.68 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 175.95 127.85 1785.06 334.67 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) 08/02/2026 _x86_64_ (4 CPU) 13:23:09 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 26.66 0.00 2.87 1.30 0.08 69.08 01:25:01 PM 0 20.05 0.00 2.07 1.32 0.07 76.49 01:25:01 PM 1 17.42 0.00 1.88 1.14 0.07 79.49 01:25:01 PM 2 39.62 0.00 4.35 1.72 0.10 54.20 01:25:01 PM 3 29.55 0.00 3.19 1.00 0.10 66.15 01:26:01 PM all 46.96 0.00 1.50 0.61 0.10 50.83 01:26:01 PM 0 54.91 0.00 0.82 0.40 0.10 43.77 01:26:01 PM 1 36.26 0.00 1.32 0.42 0.10 61.90 01:26:01 PM 2 42.09 0.00 1.77 0.45 0.10 55.59 01:26:01 PM 3 54.56 0.00 2.07 1.19 0.08 42.10 01:27:01 PM all 17.56 0.00 1.42 0.10 0.06 80.85 01:27:01 PM 0 13.20 0.00 1.29 0.07 0.05 85.39 01:27:01 PM 1 21.52 0.00 1.59 0.02 0.07 76.81 01:27:01 PM 2 21.27 0.00 1.60 0.23 0.07 76.82 01:27:01 PM 3 14.25 0.00 1.22 0.10 0.07 84.36 Average: all 30.39 0.00 1.93 0.67 0.08 66.92 Average: 0 29.39 0.00 1.39 0.60 0.07 68.55 Average: 1 25.07 0.00 1.59 0.52 0.08 72.73 Average: 2 34.32 0.00 2.58 0.80 0.09 62.22 Average: 3 32.79 0.00 2.16 0.76 0.08 64.20