---> uname -a: Linux prd-centos8-docker-4c-4g-1809.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 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 12090 19 2901 14654 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:16:0a:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.39/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86097sec preferred_lft 86097sec inet6 fe80::f816:3eff:fe16:afc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2c:98:e2:86 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) 05/21/2026 _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 131.83 21.10 110.73 4322.90 10457.92 01:25:01 PM 181.61 14.85 166.76 3116.96 13016.14 01:26:01 PM 155.67 6.32 149.36 1080.49 12176.22 01:27:01 PM 26.36 0.47 25.90 16.13 699.22 Average: 123.87 10.68 113.19 2134.16 9087.54 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13393788 15131088 2745524 17.01 2688 1954276 1097148 6.38 139592 2255772 159728 01:25:01 PM 12752380 14854168 3386932 20.99 2688 2307680 1343428 7.82 188124 2796920 100368 01:26:01 PM 11099472 13472744 5039840 31.23 2688 2574272 2863400 16.66 255632 4358084 8268 01:27:01 PM 12362056 14981152 3777256 23.40 2688 2818724 1182224 6.88 351864 3002928 253000 Average: 12401924 14609788 3737388 23.16 2688 2413738 1621550 9.43 233803 3103426 130341 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 445.96 240.66 1653.80 70.09 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 168.54 130.61 1360.93 28.46 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 12.81 12.81 3.53 3.53 0.00 0.00 0.00 0.00 01:26:01 PM eth0 378.42 237.53 3747.12 54.86 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 01:27:01 PM lo 16.35 16.35 2.57 2.57 0.00 0.00 0.00 0.00 01:27:01 PM eth0 55.07 45.58 268.62 24.70 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.29 7.29 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 262.00 163.59 1757.60 44.53 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) 05/21/2026 _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 17.32 0.00 2.31 5.01 0.09 75.27 01:24:01 PM 0 21.80 0.00 2.44 7.97 0.07 67.72 01:24:01 PM 1 8.74 0.00 2.20 4.61 0.08 84.36 01:24:01 PM 2 20.21 0.00 2.60 6.33 0.08 70.78 01:24:01 PM 3 18.50 0.00 2.01 1.10 0.13 78.25 01:25:01 PM all 20.75 0.00 1.97 5.46 0.09 71.72 01:25:01 PM 0 19.14 0.00 1.95 3.76 0.08 75.07 01:25:01 PM 1 13.66 0.00 1.36 3.75 0.10 81.13 01:25:01 PM 2 26.33 0.00 2.85 7.25 0.08 63.49 01:25:01 PM 3 23.89 0.00 1.74 7.09 0.08 67.19 01:26:01 PM all 49.89 0.00 1.86 1.29 0.12 46.85 01:26:01 PM 0 46.34 0.00 2.61 2.09 0.13 48.82 01:26:01 PM 1 39.34 0.00 1.86 1.34 0.12 57.35 01:26:01 PM 2 56.27 0.00 1.74 1.29 0.10 40.61 01:26:01 PM 3 57.58 0.00 1.22 0.45 0.12 40.63 01:27:01 PM all 13.89 0.00 1.04 0.17 0.07 84.84 01:27:01 PM 0 11.20 0.00 0.65 0.02 0.08 88.04 01:27:01 PM 1 21.51 0.00 0.92 0.15 0.05 77.37 01:27:01 PM 2 12.49 0.00 1.69 0.38 0.08 85.36 01:27:01 PM 3 10.34 0.00 0.89 0.12 0.05 88.61 Average: all 25.46 0.00 1.79 2.98 0.09 69.67 Average: 0 24.61 0.00 1.91 3.46 0.09 69.93 Average: 1 20.83 0.00 1.58 2.46 0.09 75.04 Average: 2 28.83 0.00 2.22 3.81 0.09 65.05 Average: 3 27.58 0.00 1.46 2.19 0.10 68.67