---> uname -a: Linux prd-centos8-docker-4c-4g-1600.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 813 12044 20 2903 14609 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:3f:06:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.243/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe3f:69b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:92:3d:01 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) 09/15/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 169.82 15.37 154.45 3199.46 9967.84 01:25:01 PM 212.16 6.27 205.90 1080.49 18329.10 01:26:01 PM 27.74 1.47 26.27 88.24 641.52 Average: 136.38 7.66 128.73 1446.25 9643.85 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12871392 14966080 3267924 20.25 2688 2302432 1475488 8.58 185496 2688392 252600 01:25:01 PM 11339796 13714076 4799520 29.74 2688 2575908 2413728 14.04 253768 4115732 2372 01:26:01 PM 12333460 14957888 3805856 23.58 2688 2824128 1220780 7.10 350504 3028308 262144 Average: 12181549 14546015 3957767 24.52 2688 2567489 1703332 9.91 263256 3277477 172372 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 163.97 115.20 2026.08 25.27 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 12.40 12.40 3.48 3.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 342.41 248.91 3818.20 62.75 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 16.61 16.61 2.59 2.59 0.00 0.00 0.00 0.00 01:26:01 PM eth0 86.99 84.24 279.83 936.98 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 Average: lo 9.72 9.72 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 197.97 149.64 2041.35 343.47 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) 09/15/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.54 0.00 2.45 0.81 0.03 72.17 01:24:01 PM 0 17.84 0.00 2.27 1.14 0.03 78.72 01:24:01 PM 1 45.35 0.00 3.74 0.75 0.07 50.09 01:24:01 PM 2 17.12 0.00 1.77 0.63 0.00 80.47 01:24:01 PM 3 17.84 0.00 2.01 0.73 0.03 79.38 01:25:01 PM all 50.85 0.00 2.29 1.07 0.05 45.74 01:25:01 PM 0 53.64 0.00 1.69 0.69 0.03 43.96 01:25:01 PM 1 48.79 0.00 2.44 0.97 0.05 47.75 01:25:01 PM 2 58.46 0.00 2.72 1.64 0.08 37.09 01:25:01 PM 3 42.52 0.00 2.31 0.99 0.03 54.16 01:26:01 PM all 14.37 0.00 1.17 0.12 0.03 84.31 01:26:01 PM 0 11.35 0.00 1.00 0.05 0.02 87.58 01:26:01 PM 1 23.71 0.00 1.70 0.10 0.05 74.44 01:26:01 PM 2 11.32 0.00 1.09 0.25 0.02 87.32 01:26:01 PM 3 11.12 0.00 0.88 0.08 0.02 87.90 Average: all 29.95 0.00 1.97 0.67 0.04 67.38 Average: 0 27.65 0.00 1.65 0.62 0.03 70.05 Average: 1 39.24 0.00 2.62 0.61 0.06 57.47 Average: 2 29.05 0.00 1.86 0.84 0.03 68.21 Average: 3 23.85 0.00 1.73 0.60 0.03 73.79