---> uname -a: Linux prd-centos8-docker-4c-4g-5315.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 758 12098 20 2903 14664 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:b0:43:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.76/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86168sec preferred_lft 86168sec inet6 fe80::f816:3eff:feb0:4389/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:31:64:70:21 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) 09/26/2026 _x86_64_ (4 CPU) 08:03:57 LINUX RESTART (4 CPU) 08:05:03 AM tps rtps wtps bread/s bwrtn/s 08:06:01 AM 291.75 16.34 275.41 3349.03 17520.23 08:07:01 AM 68.21 5.23 62.98 1037.39 9072.43 Average: 178.09 10.69 167.40 2173.72 13225.12 08:05:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:06:01 AM 12488716 14818356 3650600 22.62 2688 2532120 1367920 7.96 196352 3036360 244360 08:07:01 AM 11219728 13595960 4919588 30.48 2688 2577696 2479816 14.43 255456 4236824 1952 Average: 11854222 14207158 4285094 26.55 2688 2554908 1923868 11.19 225904 3636592 123156 08:05:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 416.25 325.45 5043.16 54.50 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 31.07 31.07 7.58 7.58 0.00 0.00 0.00 0.00 08:07:01 AM eth0 180.76 84.91 193.83 63.05 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.80 15.80 3.85 3.85 0.00 0.00 0.00 0.00 Average: eth0 296.52 203.15 2577.62 58.85 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) 09/26/2026 _x86_64_ (4 CPU) 08:03:57 LINUX RESTART (4 CPU) 08:05:03 AM CPU %user %nice %system %iowait %steal %idle 08:06:01 AM all 27.83 0.00 3.00 1.62 0.02 67.54 08:06:01 AM 0 20.08 0.00 3.31 2.49 0.02 74.11 08:06:01 AM 1 37.54 0.00 3.74 1.56 0.02 57.15 08:06:01 AM 2 27.31 0.00 2.68 0.93 0.02 69.06 08:06:01 AM 3 26.39 0.00 2.27 1.49 0.02 69.84 08:07:01 AM all 47.64 0.00 1.79 0.38 0.02 50.18 08:07:01 AM 0 49.20 0.00 1.60 0.12 0.02 49.06 08:07:01 AM 1 55.48 0.00 0.82 0.15 0.02 43.54 08:07:01 AM 2 35.75 0.00 2.34 1.12 0.02 60.77 08:07:01 AM 3 50.11 0.00 2.41 0.12 0.02 47.35 Average: all 37.90 0.00 2.39 0.99 0.02 58.71 Average: 0 34.87 0.00 2.45 1.28 0.02 61.38 Average: 1 46.67 0.00 2.25 0.84 0.02 50.22 Average: 2 31.60 0.00 2.51 1.03 0.02 64.84 Average: 3 38.46 0.00 2.34 0.79 0.02 58.40