---> uname -a: Linux prd-centos8-docker-4c-4g-788.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: 2799.996 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 796 12063 20 2900 14625 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:88:63:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.18/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe88:63d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:6d:dc:87 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) 09/12/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 241.85 22.58 219.28 5624.93 22485.92 01:25:01 PM 255.78 19.53 236.25 4212.60 15024.01 01:26:01 PM 47.41 1.65 45.76 63.59 8279.94 Average: 181.69 14.58 167.10 3300.55 15263.68 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13254620 15059340 2884696 17.87 2688 2020888 1139848 6.63 138996 2389964 186412 01:25:01 PM 11754464 14121688 4384852 27.17 2688 2568848 1923968 11.19 240812 3714972 231708 01:26:01 PM 11472052 13843396 4667264 28.92 2688 2572760 2509000 14.60 255212 3979492 888 Average: 12160379 14341475 3978937 24.65 2688 2387499 1857605 10.81 211673 3361476 139669 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 345.68 215.66 2014.72 69.92 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 397.53 303.65 4632.53 60.61 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 25.30 25.30 5.11 5.11 0.00 0.00 0.00 0.00 01:26:01 PM eth0 29.60 20.91 14.31 19.75 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 8.48 8.48 1.71 1.71 0.00 0.00 0.00 0.00 Average: eth0 257.62 180.08 2220.64 50.09 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) 09/12/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.20 0.00 2.96 2.36 0.02 69.47 01:24:01 PM 0 25.99 0.00 3.14 0.74 0.02 70.11 01:24:01 PM 1 24.05 0.00 2.29 3.02 0.02 70.63 01:24:01 PM 2 36.31 0.00 3.81 3.91 0.03 55.93 01:24:01 PM 3 14.41 0.00 2.60 1.78 0.00 81.21 01:25:01 PM all 44.56 0.00 3.23 1.33 0.03 50.85 01:25:01 PM 0 56.09 0.00 3.34 1.29 0.03 39.25 01:25:01 PM 1 43.70 0.00 3.16 0.89 0.03 52.22 01:25:01 PM 2 38.05 0.00 3.03 1.91 0.02 56.99 01:25:01 PM 3 40.36 0.00 3.39 1.26 0.03 54.96 01:26:01 PM all 21.06 0.00 0.74 0.21 0.02 77.96 01:26:01 PM 0 25.64 0.00 0.42 0.00 0.05 73.89 01:26:01 PM 1 25.76 0.00 0.40 0.15 0.02 73.67 01:26:01 PM 2 13.68 0.00 1.30 0.55 0.00 84.46 01:26:01 PM 3 19.13 0.00 0.85 0.15 0.02 79.85 Average: all 30.26 0.00 2.31 1.30 0.02 66.10 Average: 0 35.91 0.00 2.30 0.67 0.03 61.09 Average: 1 31.16 0.00 1.95 1.35 0.02 65.51 Average: 2 29.34 0.00 2.72 2.12 0.02 65.81 Average: 3 24.62 0.00 2.28 1.06 0.02 72.02