---> uname -a: Linux prd-centos8-docker-4c-4g-5142.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 759 12094 19 2907 14663 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:05:d3:03 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 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe05:d303/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b1:23:1e:60 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) 07/04/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 172.32 15.15 157.17 3148.14 10832.31 01:25:01 PM 207.48 6.40 201.08 1085.19 17674.20 01:26:01 PM 33.88 2.93 30.94 104.38 725.46 Average: 137.90 8.16 129.74 1445.87 9744.87 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12920468 15019392 3218852 19.94 2688 2305684 1434372 8.35 186516 2636060 231924 01:25:01 PM 11459436 13838540 4679884 29.00 2688 2579312 2284584 13.29 255452 3994140 2372 01:26:01 PM 12382772 15011800 3756548 23.28 2688 2827368 1158660 6.74 351716 2975528 263164 Average: 12254225 14623244 3885095 24.07 2688 2570788 1625872 9.46 264561 3201909 165820 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 166.02 121.48 2076.42 27.49 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 12.46 12.46 3.49 3.49 0.00 0.00 0.00 0.00 01:25:01 PM eth0 279.61 212.69 3802.62 55.41 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 16.23 16.23 2.57 2.57 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.06 65.14 270.61 430.09 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 9.56 9.56 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 170.24 133.11 2050.08 170.99 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) 07/04/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.75 0.00 2.31 0.93 0.09 71.92 01:24:01 PM 0 24.68 0.00 1.95 1.09 0.10 72.18 01:24:01 PM 1 30.47 0.00 2.77 1.00 0.08 65.67 01:24:01 PM 2 22.47 0.00 2.40 0.84 0.10 74.20 01:24:01 PM 3 21.38 0.00 2.13 0.79 0.08 75.63 01:25:01 PM all 54.41 0.00 1.98 1.12 0.11 42.37 01:25:01 PM 0 61.71 0.00 1.82 1.14 0.10 35.24 01:25:01 PM 1 42.82 0.00 2.01 1.19 0.13 53.85 01:25:01 PM 2 60.46 0.00 1.96 1.24 0.10 36.24 01:25:01 PM 3 52.64 0.00 2.12 0.94 0.12 44.19 01:26:01 PM all 15.24 0.00 1.09 0.11 0.06 83.50 01:26:01 PM 0 14.54 0.00 0.87 0.12 0.07 84.41 01:26:01 PM 1 11.29 0.00 1.20 0.07 0.07 87.37 01:26:01 PM 2 17.54 0.00 0.95 0.08 0.05 81.38 01:26:01 PM 3 17.58 0.00 1.34 0.18 0.05 80.85 Average: all 31.47 0.00 1.79 0.72 0.09 65.93 Average: 0 33.65 0.00 1.55 0.78 0.09 63.94 Average: 1 28.19 0.00 1.99 0.75 0.09 68.97 Average: 2 33.49 0.00 1.77 0.72 0.08 63.94 Average: 3 30.54 0.00 1.86 0.64 0.08 66.88