---> uname -a: Linux prd-centos8-docker-4c-4g-10930.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: 2799.934 BogoMIPS: 5599.86 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 769 12077 19 2914 14653 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:12:14:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.203/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe12:1425/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:0d:36:ab 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) 06/11/2026 _x86_64_ (4 CPU) 09:01:17 LINUX RESTART (4 CPU) 09:02:01 AM tps rtps wtps bread/s bwrtn/s 09:03:02 AM 188.77 14.91 173.86 3116.56 11335.62 09:04:01 AM 185.38 6.41 178.97 1099.47 17613.40 09:05:01 AM 33.51 2.98 30.53 109.05 714.10 Average: 135.61 8.11 127.50 1443.70 9844.64 09:02:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:03:02 AM 12745900 14860244 3393420 21.03 2688 2320120 1327132 7.72 188120 2806592 234100 09:04:01 AM 11270156 13656364 4869164 30.17 2688 2586792 2586352 15.05 256088 4184472 2372 09:05:01 AM 12381800 15025592 3757520 23.28 2688 2842352 1104552 6.43 529184 2803224 270532 Average: 12132619 14514067 4006701 24.83 2688 2583088 1672679 9.73 324464 3264763 169001 09:02:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:03:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:02 AM eth0 167.21 122.93 2072.16 28.80 0.00 0.00 0.00 0.00 09:03:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 AM lo 12.98 12.98 3.58 3.58 0.00 0.00 0.00 0.00 09:04:01 AM eth0 367.68 238.65 3806.45 54.18 0.00 0.00 0.00 0.00 09:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 AM lo 15.91 15.91 2.53 2.53 0.00 0.00 0.00 0.00 09:05:01 AM eth0 70.82 70.95 278.71 938.77 0.00 0.00 0.00 0.00 09:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.61 9.61 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 200.98 143.65 2042.65 342.17 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) 06/11/2026 _x86_64_ (4 CPU) 09:01:17 LINUX RESTART (4 CPU) 09:02:01 AM CPU %user %nice %system %iowait %steal %idle 09:03:02 AM all 26.87 0.00 2.66 1.21 0.10 69.16 09:03:02 AM 0 24.65 0.00 1.94 0.73 0.10 72.57 09:03:02 AM 1 19.35 0.00 2.28 0.99 0.08 77.30 09:03:02 AM 2 41.39 0.00 4.46 1.58 0.12 52.46 09:03:02 AM 3 22.12 0.00 1.98 1.54 0.08 74.28 09:04:01 AM all 50.77 0.00 2.06 1.34 0.11 45.72 09:04:01 AM 0 45.84 0.00 1.75 0.61 0.12 51.67 09:04:01 AM 1 37.19 0.00 3.19 2.00 0.14 57.49 09:04:01 AM 2 61.80 0.00 1.55 1.26 0.08 35.31 09:04:01 AM 3 58.15 0.00 1.75 1.50 0.10 38.50 09:05:01 AM all 16.16 0.00 1.34 0.18 0.08 82.25 09:05:01 AM 0 11.87 0.00 1.24 0.15 0.07 86.67 09:05:01 AM 1 13.65 0.00 1.66 0.38 0.07 84.24 09:05:01 AM 2 24.47 0.00 1.80 0.07 0.08 73.58 09:05:01 AM 3 14.66 0.00 0.65 0.10 0.08 84.50 Average: all 31.15 0.00 2.02 0.91 0.09 65.83 Average: 0 27.34 0.00 1.64 0.50 0.10 70.42 Average: 1 23.30 0.00 2.37 1.12 0.10 73.11 Average: 2 42.45 0.00 2.61 0.96 0.10 53.89 Average: 3 31.50 0.00 1.46 1.04 0.09 65.92