---> uname -a: Linux prd-centos8-docker-4c-4g-3015.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 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 840 12015 19 2905 14583 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:e3:2e:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.3/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fee3:2eed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:29:28:45:9d 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) 05/23/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 179.22 15.11 164.11 3145.48 10535.72 01:25:01 PM 194.18 6.25 187.94 1080.09 17162.12 01:26:01 PM 35.99 2.98 33.01 105.43 939.07 Average: 136.46 8.11 128.35 1443.69 9545.22 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12846568 14948616 3292744 20.40 2688 2308584 1285956 7.48 186676 2710400 231636 01:25:01 PM 11304096 13681712 4835216 29.96 2688 2578580 2485360 14.46 255104 4150564 8332 01:26:01 PM 12306812 14934616 3832500 23.75 2688 2826632 1210764 7.04 351392 3055124 263140 Average: 12152492 14521648 3986820 24.70 2688 2571265 1660693 9.66 264391 3305363 167703 01:23:01 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 157.11 121.83 2078.38 29.01 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 3.49 3.49 0.00 0.00 0.00 0.00 01:25:01 PM eth0 350.62 223.98 3768.86 54.55 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 16.36 16.36 2.57 2.57 0.00 0.00 0.00 0.00 01:26:01 PM eth0 63.53 70.39 269.97 928.99 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 9.59 9.59 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 190.41 138.73 2038.97 337.53 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) 05/23/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.84 0.00 2.66 0.88 0.09 69.52 01:24:01 PM 0 26.43 0.00 2.25 0.52 0.10 70.70 01:24:01 PM 1 17.48 0.00 2.70 1.04 0.08 78.70 01:24:01 PM 2 23.94 0.00 1.64 0.65 0.10 73.67 01:24:01 PM 3 39.53 0.00 4.07 1.31 0.08 55.01 01:25:01 PM all 53.91 0.00 2.21 0.94 0.11 42.82 01:25:01 PM 0 55.30 0.00 2.79 1.20 0.12 40.59 01:25:01 PM 1 38.95 0.00 2.39 1.04 0.12 57.50 01:25:01 PM 2 64.73 0.00 1.59 0.65 0.12 32.91 01:25:01 PM 3 56.63 0.00 2.07 0.89 0.10 40.31 01:26:01 PM all 14.87 0.00 1.12 0.14 0.06 83.81 01:26:01 PM 0 10.18 0.00 1.27 0.07 0.05 88.44 01:26:01 PM 1 14.78 0.00 0.79 0.12 0.07 84.25 01:26:01 PM 2 18.26 0.00 1.55 0.32 0.07 79.80 01:26:01 PM 3 16.25 0.00 0.89 0.05 0.07 82.75 Average: all 31.87 0.00 2.00 0.65 0.09 65.39 Average: 0 30.62 0.00 2.10 0.60 0.09 66.59 Average: 1 23.73 0.00 1.96 0.73 0.09 73.49 Average: 2 35.65 0.00 1.59 0.54 0.09 62.12 Average: 3 37.47 0.00 2.34 0.75 0.08 59.36