---> uname -a: Linux prd-centos8-docker-4c-4g-5893.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 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 756 12100 20 2904 14666 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:a9:5c:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86164sec preferred_lft 86164sec inet6 fe80::f816:3eff:fea9:5cfa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:86:62:ed:5c 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) 09/28/2026 _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 241.46 18.79 222.67 4143.64 9594.90 01:25:01 PM 261.42 19.51 241.91 4211.89 15306.98 01:26:01 PM 60.60 3.05 57.55 150.88 8339.19 Average: 187.83 13.78 174.05 2835.69 11080.43 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13172256 15059184 2967060 18.38 2688 2099512 1148512 6.68 151448 2445632 261244 01:25:01 PM 11792420 14163892 4346896 26.93 2688 2573180 1948568 11.34 237504 3683944 228124 01:26:01 PM 12462312 15088556 3677004 22.78 2688 2825828 1081924 6.29 353008 2896280 262608 Average: 12475663 14770544 3663653 22.70 2688 2499507 1393001 8.10 247320 3008619 250659 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 307.51 197.19 2030.56 68.18 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 427.60 332.37 4623.06 72.12 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 30.99 30.99 8.22 8.22 0.00 0.00 0.00 0.00 01:26:01 PM eth0 110.58 94.49 288.28 956.83 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 10.33 10.33 2.74 2.74 0.00 0.00 0.00 0.00 Average: eth0 281.91 208.02 2314.06 365.66 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) 09/28/2026 _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 23.75 0.00 2.79 1.22 0.02 72.21 01:24:01 PM 0 16.67 0.00 2.42 3.26 0.02 77.63 01:24:01 PM 1 35.89 0.00 4.21 0.45 0.03 59.42 01:24:01 PM 2 12.03 0.00 1.24 0.20 0.02 86.51 01:24:01 PM 3 30.43 0.00 3.29 0.97 0.02 65.29 01:25:01 PM all 41.20 0.00 3.06 1.58 0.03 54.13 01:25:01 PM 0 37.22 0.00 3.36 2.16 0.05 57.21 01:25:01 PM 1 39.80 0.00 2.58 1.56 0.02 56.05 01:25:01 PM 2 42.13 0.00 3.40 1.88 0.02 52.57 01:25:01 PM 3 45.65 0.00 2.91 0.72 0.03 50.69 01:26:01 PM all 33.81 0.00 1.72 0.33 0.02 64.12 01:26:01 PM 0 22.18 0.00 1.97 0.79 0.00 75.07 01:26:01 PM 1 46.64 0.00 1.74 0.27 0.02 51.34 01:26:01 PM 2 34.38 0.00 1.37 0.17 0.03 64.05 01:26:01 PM 3 32.04 0.00 1.80 0.12 0.02 66.03 Average: all 32.92 0.00 2.53 1.04 0.02 63.49 Average: 0 25.35 0.00 2.58 2.07 0.02 69.97 Average: 1 40.78 0.00 2.84 0.76 0.02 55.60 Average: 2 29.51 0.00 2.00 0.75 0.02 67.72 Average: 3 36.03 0.00 2.67 0.60 0.02 60.68