---> uname -a: Linux prd-centos8-docker-4c-4g-4318.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: 2799.934 BogoMIPS: 5599.86 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 825 12033 19 2902 14598 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:d1:29:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fed1:295e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2c:d8:15:b4 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) 08/05/2026 _x86_64_ (4 CPU) 13:23:02 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 269.53 16.23 253.30 3710.69 16629.94 01:26:01 PM 57.65 4.92 52.73 482.24 8279.79 01:27:01 PM 38.93 1.70 37.23 124.11 8658.69 Average: 122.07 7.62 114.45 1439.59 11190.82 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12300876 14650160 3838444 23.78 2688 2550828 1433048 8.34 206284 3213236 225300 01:26:01 PM 11288012 13663188 4851308 30.06 2688 2575768 2905656 16.91 256072 4166820 1092 01:27:01 PM 12387452 15014200 3751868 23.25 2688 2824480 1155996 6.73 540724 2783960 25064 Average: 11992113 14442516 4147207 25.70 2688 2650359 1831567 10.66 334360 3388005 83819 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 425.17 322.43 4847.60 58.23 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 23.43 23.43 4.91 4.91 0.00 0.00 0.00 0.00 01:26:01 PM eth0 43.92 29.87 103.48 19.08 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 5.20 5.20 1.15 1.15 0.00 0.00 0.00 0.00 01:27:01 PM eth0 78.57 81.40 279.65 927.59 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 9.54 9.54 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 182.61 144.61 1744.35 334.87 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) 08/05/2026 _x86_64_ (4 CPU) 13:23:02 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 28.32 0.00 2.73 1.86 0.09 67.00 01:25:01 PM 0 37.01 0.00 3.24 1.34 0.10 58.32 01:25:01 PM 1 26.24 0.00 2.51 2.23 0.08 68.94 01:25:01 PM 2 25.53 0.00 3.16 2.79 0.08 68.43 01:25:01 PM 3 24.48 0.00 1.99 1.10 0.08 72.34 01:26:01 PM all 41.40 0.00 1.04 0.25 0.09 57.22 01:26:01 PM 0 48.26 0.00 0.33 0.02 0.07 51.32 01:26:01 PM 1 41.69 0.00 1.84 0.52 0.10 55.85 01:26:01 PM 2 47.06 0.00 0.63 0.10 0.10 52.10 01:26:01 PM 3 28.59 0.00 1.34 0.38 0.08 69.61 01:27:01 PM all 20.41 0.00 1.80 0.30 0.07 77.42 01:27:01 PM 0 30.86 0.00 2.07 0.07 0.08 66.92 01:27:01 PM 1 8.34 0.00 1.12 0.05 0.07 90.42 01:27:01 PM 2 34.01 0.00 2.04 0.12 0.08 63.75 01:27:01 PM 3 8.45 0.00 1.99 0.95 0.05 88.56 Average: all 30.05 0.00 1.85 0.80 0.08 67.21 Average: 0 38.71 0.00 1.88 0.47 0.08 58.85 Average: 1 25.42 0.00 1.82 0.93 0.08 71.74 Average: 2 35.54 0.00 1.94 1.00 0.09 61.42 Average: 3 20.50 0.00 1.77 0.81 0.07 76.84