---> uname -a: Linux prd-centos8-docker-4c-4g-18791.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: 2799.998 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): 0-3 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 764 12094 20 2901 14658 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:2f:53:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fe2f:5340/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:74:0c:1c:17 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) 09/08/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 265.91 17.77 248.14 3777.18 7582.11 01:25:01 PM 224.76 14.95 209.81 3219.33 14836.42 01:26:01 PM 84.60 6.23 78.37 1056.49 9017.48 01:27:01 PM 29.31 1.63 27.68 122.91 1299.83 Average: 150.67 10.11 140.56 2036.85 8186.73 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13300032 15080180 2839284 17.59 2688 1996536 1126732 6.56 138612 2346108 173080 01:25:01 PM 12534108 14832188 3605208 22.34 2688 2501752 1337660 7.78 192300 2997624 206760 01:26:01 PM 11075100 13449392 5064216 31.38 2688 2575932 2750800 16.00 254980 4379000 1880 01:27:01 PM 12447864 15073024 3691452 22.87 2688 2824516 1067292 6.21 531336 2733720 237692 Average: 12339276 14608696 3800040 23.55 2688 2474684 1570621 9.14 279307 3114113 154853 01:23:02 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 371.20 268.77 1807.43 73.60 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 497.83 374.58 4283.07 51.70 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 21.25 21.25 4.48 4.48 0.00 0.00 0.00 0.00 01:26:01 PM eth0 122.88 89.44 617.93 39.31 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 7.60 7.60 1.59 1.59 0.00 0.00 0.00 0.00 01:27:01 PM eth0 101.47 80.55 275.33 932.55 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 7.24 7.24 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 272.95 203.07 1745.79 275.11 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) 09/08/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 20.50 0.00 2.55 1.23 0.02 75.71 01:24:01 PM 0 19.43 0.00 2.57 0.63 0.02 77.36 01:24:01 PM 1 26.49 0.00 3.68 3.30 0.03 66.50 01:24:01 PM 2 20.59 0.00 2.01 0.72 0.00 76.68 01:24:01 PM 3 15.49 0.00 1.93 0.26 0.02 82.31 01:25:01 PM all 23.45 0.00 2.77 1.30 0.04 72.44 01:25:01 PM 0 19.82 0.00 2.50 1.12 0.03 76.52 01:25:01 PM 1 22.76 0.00 2.30 1.11 0.03 73.80 01:25:01 PM 2 26.21 0.00 3.18 1.27 0.05 69.28 01:25:01 PM 3 24.98 0.00 3.10 1.71 0.05 70.16 01:26:01 PM all 48.12 0.00 1.63 0.45 0.03 49.77 01:26:01 PM 0 54.25 0.00 1.54 0.37 0.03 43.81 01:26:01 PM 1 43.97 0.00 2.44 0.58 0.03 52.97 01:26:01 PM 2 36.44 0.00 2.03 0.77 0.02 60.74 01:26:01 PM 3 57.79 0.00 0.52 0.07 0.03 41.59 01:27:01 PM all 15.74 0.00 1.33 0.13 0.00 82.79 01:27:01 PM 0 15.62 0.00 0.99 0.02 0.00 83.38 01:27:01 PM 1 10.98 0.00 1.35 0.12 0.00 87.55 01:27:01 PM 2 28.15 0.00 1.75 0.02 0.02 70.06 01:27:01 PM 3 8.19 0.00 1.22 0.39 0.00 90.21 Average: all 26.98 0.00 2.07 0.78 0.02 70.15 Average: 0 27.32 0.00 1.89 0.53 0.02 70.24 Average: 1 26.05 0.00 2.44 1.27 0.03 70.22 Average: 2 27.88 0.00 2.24 0.69 0.02 69.16 Average: 3 26.69 0.00 1.69 0.61 0.03 70.99