---> uname -a: Linux prd-centos8-docker-8c-8g-4196.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1076 26320 19 4490 30341 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:d0:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.58/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fea9:d0cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:40:8d:2e 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 inet6 fe80::42:49ff:fe40:8d2e/64 scope link 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) 07/01/2026 _x86_64_ (8 CPU) 07:30:56 LINUX RESTART (8 CPU) 07:32:02 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 295.43 17.06 278.36 3359.95 17022.30 07:34:01 AM 167.23 16.49 150.74 2008.33 40165.72 07:35:02 AM 241.25 5.06 236.19 4664.85 11259.28 Average: 234.29 12.85 221.44 3344.21 22849.09 07:32:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28316020 30632836 4337352 13.28 2688 2626736 1900296 5.64 207932 3634612 319844 07:34:01 AM 26052728 29276820 6600644 20.21 2688 3515724 5605744 16.63 443412 5584176 1660 07:35:02 AM 26945964 31062468 5707408 17.48 2688 4403076 1502800 4.46 886328 4244872 511540 Average: 27104904 30324041 5548468 16.99 2688 3515179 3002947 8.91 512557 4487887 277681 07:32:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 523.13 395.48 6337.70 72.36 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1345.49 345.33 7182.23 31.91 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:34:01 AM veth5a5a084 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:35:02 AM lo 12.80 12.80 1.35 1.35 0.00 0.00 0.00 0.00 07:35:02 AM eth0 190.37 185.52 1733.02 1276.19 0.00 0.00 0.00 0.00 07:35:02 AM docker0 4.82 5.85 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.29 4.29 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 687.28 308.29 5077.43 462.29 0.00 0.00 0.00 0.00 Average: docker0 1.61 2.00 0.22 0.23 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) 07/01/2026 _x86_64_ (8 CPU) 07:30:56 LINUX RESTART (8 CPU) 07:32:02 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 16.87 0.00 1.61 0.85 0.07 80.59 07:33:01 AM 0 16.86 0.00 1.07 0.63 0.09 81.35 07:33:01 AM 1 19.20 0.00 1.21 0.51 0.07 79.01 07:33:01 AM 2 16.20 0.00 1.87 1.46 0.09 80.38 07:33:01 AM 3 21.83 0.00 1.68 0.66 0.07 75.76 07:33:01 AM 4 23.61 0.00 2.79 1.48 0.09 72.03 07:33:01 AM 5 11.53 0.00 1.53 0.48 0.05 86.41 07:33:01 AM 6 16.24 0.00 1.07 0.46 0.07 82.16 07:33:01 AM 7 9.48 0.00 1.67 1.14 0.09 87.63 07:34:01 AM all 30.83 0.24 2.36 0.72 0.09 65.76 07:34:01 AM 0 37.91 0.00 3.08 0.07 0.10 58.85 07:34:01 AM 1 26.95 0.00 2.11 1.26 0.10 69.58 07:34:01 AM 2 32.65 0.00 1.87 0.22 0.08 65.18 07:34:01 AM 3 27.17 0.05 2.98 1.40 0.08 68.32 07:34:01 AM 4 28.28 0.00 2.16 1.36 0.10 68.10 07:34:01 AM 5 34.47 0.00 2.31 0.71 0.10 62.42 07:34:01 AM 6 23.29 1.80 2.33 0.71 0.08 71.78 07:34:01 AM 7 35.87 0.03 2.07 0.05 0.10 61.88 07:35:02 AM all 20.97 0.06 2.23 0.53 0.08 76.12 07:35:02 AM 0 15.79 0.00 2.11 0.49 0.08 81.54 07:35:02 AM 1 39.09 0.30 3.18 0.33 0.08 57.01 07:35:02 AM 2 20.59 0.03 1.69 0.52 0.10 77.07 07:35:02 AM 3 14.08 0.00 2.43 2.06 0.08 81.34 07:35:02 AM 4 23.32 0.03 2.29 0.33 0.08 73.94 07:35:02 AM 5 18.51 0.03 1.91 0.05 0.07 79.43 07:35:02 AM 6 17.78 0.10 1.71 0.05 0.08 80.27 07:35:02 AM 7 18.60 0.00 2.53 0.40 0.07 78.40 Average: all 22.91 0.10 2.07 0.70 0.08 74.14 Average: 0 23.53 0.00 2.09 0.39 0.09 73.90 Average: 1 28.47 0.10 2.17 0.70 0.08 68.47 Average: 2 23.17 0.01 1.81 0.73 0.09 74.19 Average: 3 21.02 0.02 2.37 1.38 0.08 75.14 Average: 4 25.07 0.01 2.41 1.06 0.09 71.36 Average: 5 21.53 0.01 1.92 0.41 0.07 76.06 Average: 6 19.11 0.64 1.70 0.41 0.08 78.07 Average: 7 21.36 0.01 2.09 0.53 0.08 75.93