---> uname -a: Linux prd-centos8-docker-4c-4g-4677.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 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 763 12091 20 2906 14659 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:00:3b:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.250/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe00:3ba1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e3:e8:56:a7 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) 09/24/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 197.08 13.06 184.02 2414.53 7807.85 01:25:01 PM 259.55 19.52 240.03 4212.03 15192.27 01:26:01 PM 39.26 1.65 37.61 63.57 7999.75 Average: 165.30 11.41 153.89 2230.04 10333.29 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13128680 15050672 3010636 18.65 2688 2132472 1156280 6.73 152916 2479940 291420 01:25:01 PM 11593292 13967728 4546024 28.17 2688 2576224 2149280 12.50 241456 3879212 226404 01:26:01 PM 11154564 13533232 4984752 30.89 2688 2580136 2821424 16.42 255452 4299844 28 Average: 11958845 14183877 4180471 25.90 2688 2429611 2042328 11.88 216608 3552999 172617 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 290.79 178.23 1961.44 65.51 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 388.39 299.00 4605.47 64.78 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 25.54 25.54 5.12 5.12 0.00 0.00 0.00 0.00 01:26:01 PM eth0 20.52 13.39 7.53 15.69 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 8.56 8.56 1.71 1.71 0.00 0.00 0.00 0.00 Average: eth0 233.23 163.54 2191.48 48.66 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) 09/24/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.15 0.00 2.74 1.37 0.03 72.71 01:24:01 PM 0 19.06 0.00 2.46 2.56 0.03 75.89 01:24:01 PM 1 29.70 0.00 2.39 0.89 0.03 66.99 01:24:01 PM 2 27.30 0.00 3.14 1.07 0.03 68.46 01:24:01 PM 3 16.54 0.00 2.98 0.96 0.02 79.51 01:25:01 PM all 45.23 0.00 3.29 1.52 0.01 49.95 01:25:01 PM 0 49.85 0.00 2.71 1.02 0.02 46.40 01:25:01 PM 1 50.42 0.00 3.06 1.42 0.02 45.08 01:25:01 PM 2 42.04 0.00 3.68 1.37 0.02 52.89 01:25:01 PM 3 38.57 0.00 3.71 2.27 0.00 55.45 01:26:01 PM all 21.18 0.00 0.86 0.22 0.01 77.73 01:26:01 PM 0 25.49 0.00 0.65 0.05 0.00 73.81 01:26:01 PM 1 26.29 0.00 0.47 0.18 0.00 73.06 01:26:01 PM 2 19.42 0.00 1.25 0.10 0.02 79.21 01:26:01 PM 3 13.50 0.00 1.09 0.54 0.02 84.86 Average: all 29.84 0.00 2.30 1.03 0.02 66.81 Average: 0 31.46 0.00 1.94 1.21 0.02 65.38 Average: 1 35.46 0.00 1.97 0.83 0.02 61.72 Average: 2 29.58 0.00 2.69 0.85 0.02 66.86 Average: 3 22.86 0.00 2.59 1.25 0.01 73.29