---> uname -a: Linux prd-centos8-docker-4c-4g-4854.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 751 12105 19 2904 14672 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:0e:e3:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fe0e:e3e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:34:f2:b9:03 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) 05/29/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 142.91 15.30 127.61 3253.59 10066.86 01:25:01 PM 227.99 5.81 222.18 1040.43 17593.97 01:26:01 PM 27.59 0.52 27.07 16.53 1715.56 Average: 132.84 7.21 125.64 1436.58 9793.40 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12885328 14960176 3253992 20.16 2688 2282672 1425024 8.29 157400 2710428 245236 01:25:01 PM 11502952 13877920 4636368 28.73 2688 2575740 2227700 12.96 248800 3961992 42068 01:26:01 PM 11899036 14349680 4240284 26.27 2688 2650696 1740280 10.13 290284 3523556 74056 Average: 12095772 14395925 4043548 25.05 2688 2503036 1797668 10.46 232161 3398659 120453 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 129.18 91.28 1922.07 21.01 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 4.13 4.13 0.42 0.42 0.00 0.00 0.00 0.00 01:25:01 PM eth0 572.54 313.14 4182.60 94.44 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 24.95 24.95 5.65 5.65 0.00 0.00 0.00 0.00 01:26:01 PM eth0 47.46 40.95 233.77 23.08 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 Average: lo 9.69 9.69 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 249.79 148.49 2113.18 46.19 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) 05/29/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.47 0.00 2.12 1.45 0.10 74.85 01:24:01 PM 0 10.90 0.00 1.32 1.05 0.10 86.63 01:24:01 PM 1 10.42 0.00 1.33 1.61 0.08 86.56 01:24:01 PM 2 28.60 0.00 2.04 0.90 0.10 68.35 01:24:01 PM 3 36.04 0.00 3.80 2.26 0.12 57.78 01:25:01 PM all 52.02 0.00 2.58 2.13 0.15 43.13 01:25:01 PM 0 56.67 0.00 2.58 2.54 0.13 38.07 01:25:01 PM 1 55.17 0.00 2.87 2.45 0.17 39.35 01:25:01 PM 2 44.26 0.00 2.41 1.99 0.13 51.20 01:25:01 PM 3 51.97 0.00 2.45 1.52 0.15 43.91 01:26:01 PM all 15.90 0.00 0.96 0.17 0.08 82.90 01:26:01 PM 0 16.44 0.00 1.04 0.20 0.08 82.24 01:26:01 PM 1 18.28 0.00 0.67 0.10 0.07 80.88 01:26:01 PM 2 12.89 0.00 1.12 0.22 0.10 85.67 01:26:01 PM 3 15.97 0.00 1.00 0.15 0.08 82.79 Average: all 29.78 0.00 1.88 1.25 0.11 66.97 Average: 0 27.98 0.00 1.64 1.26 0.11 69.00 Average: 1 27.95 0.00 1.62 1.39 0.11 68.94 Average: 2 28.58 0.00 1.86 1.04 0.11 68.42 Average: 3 34.64 0.00 2.41 1.31 0.12 61.52