---> uname -a: Linux prd-centos8-docker-4c-4g-15201.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 766 12082 20 2912 14656 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:eb:a1:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:feeb:a134/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:57:12:bc:2e 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) 08/26/2026 _x86_64_ (4 CPU) 00:37:12 LINUX RESTART (4 CPU) 12:38:02 AM tps rtps wtps bread/s bwrtn/s 12:39:01 AM 166.41 15.23 151.18 3290.02 10892.90 12:40:01 AM 200.75 6.23 194.52 1056.31 17244.65 12:41:01 AM 24.69 0.50 24.19 20.66 704.40 Average: 130.42 7.28 123.14 1445.32 9606.77 12:38:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:39:01 AM 12966772 15072060 3172544 19.66 2688 2312832 1405400 8.18 177204 2599208 226972 12:40:01 AM 11404884 13789112 4734432 29.33 2688 2585900 2286684 13.30 250260 4054340 9392 12:41:01 AM 12372548 14998836 3766768 23.34 2688 2826448 1149484 6.69 520588 2819312 246448 Average: 12248068 14620003 3891248 24.11 2688 2575060 1613856 9.39 316017 3157620 160937 12:38:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM eth0 167.90 116.68 2053.45 26.29 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM lo 11.65 11.65 3.41 3.41 0.00 0.00 0.00 0.00 12:40:01 AM eth0 389.25 250.62 3815.72 58.44 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM lo 16.86 16.86 2.62 2.62 0.00 0.00 0.00 0.00 12:41:01 AM eth0 51.37 42.29 269.05 26.05 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.56 9.56 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 203.04 136.64 2046.03 36.99 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) 08/26/2026 _x86_64_ (4 CPU) 00:37:12 LINUX RESTART (4 CPU) 12:38:02 AM CPU %user %nice %system %iowait %steal %idle 12:39:01 AM all 23.57 0.00 2.27 1.64 0.10 72.42 12:39:01 AM 0 21.48 0.00 2.21 2.11 0.08 74.12 12:39:01 AM 1 23.19 0.00 1.78 1.00 0.10 73.92 12:39:01 AM 2 27.93 0.00 2.74 1.46 0.10 67.77 12:39:01 AM 3 21.67 0.00 2.35 2.01 0.10 73.88 12:40:01 AM all 55.48 0.00 2.24 2.03 0.13 40.11 12:40:01 AM 0 38.41 0.00 2.51 2.07 0.12 56.88 12:40:01 AM 1 61.04 0.00 2.26 2.36 0.12 34.23 12:40:01 AM 2 66.26 0.00 1.29 0.58 0.13 31.74 12:40:01 AM 3 56.20 0.00 2.93 3.12 0.15 37.60 12:41:01 AM all 15.49 0.00 1.19 0.20 0.08 83.04 12:41:01 AM 0 10.27 0.00 1.50 0.13 0.07 88.02 12:41:01 AM 1 20.82 0.00 1.60 0.47 0.10 77.01 12:41:01 AM 2 14.75 0.00 1.05 0.17 0.07 83.96 12:41:01 AM 3 16.13 0.00 0.60 0.02 0.07 83.19 Average: all 31.55 0.00 1.90 1.29 0.10 65.16 Average: 0 23.39 0.00 2.07 1.43 0.09 73.01 Average: 1 35.08 0.00 1.88 1.28 0.11 61.65 Average: 2 36.37 0.00 1.69 0.73 0.10 61.11 Average: 3 31.36 0.00 1.96 1.71 0.11 64.86