---> uname -a: Linux prd-centos8-docker-4c-4g-2974.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 759 12102 20 2898 14663 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:44:29:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe44:292a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c2:e8:b0:6c 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) 10/19/2026 _x86_64_ (4 CPU) 01:25:29 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 207.76 63.80 143.97 7959.61 39221.16 01:28:01 AM 107.50 0.58 106.91 143.82 9861.46 01:29:01 AM 216.34 18.16 198.18 3883.64 10257.15 01:30:01 AM 61.87 2.83 59.04 255.47 8426.34 Average: 148.37 21.34 127.02 3060.52 16941.17 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13534520 15096192 2604796 16.14 2688 1789424 1166696 6.79 137028 2152192 41292 01:28:01 AM 13204652 15129396 2934664 18.18 2688 2134228 1075016 6.25 139180 2412288 172692 01:29:01 AM 11909804 14269664 4229512 26.21 2688 2561684 1991164 11.58 225556 3581288 231856 01:30:01 AM 12411396 15023116 3727920 23.10 2688 2811848 1131148 6.58 519396 2783244 246884 Average: 12765093 14879592 3374223 20.91 2688 2324296 1341006 7.80 255290 2732253 173181 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 328.31 182.46 937.25 67.60 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 79.16 49.65 1143.04 8.18 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 374.01 295.68 4565.94 74.86 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 31.32 31.32 8.25 8.25 0.00 0.00 0.00 0.00 01:30:01 AM eth0 70.05 61.69 274.71 35.06 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.83 7.83 2.06 2.06 0.00 0.00 0.00 0.00 Average: eth0 212.87 147.37 1730.18 46.43 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) 10/19/2026 _x86_64_ (4 CPU) 01:25:29 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 13.00 0.00 2.84 1.82 0.01 82.32 01:27:01 AM 0 12.46 0.00 3.02 2.67 0.00 81.85 01:27:01 AM 1 9.52 0.00 2.84 1.87 0.02 85.75 01:27:01 AM 2 13.08 0.00 2.95 0.74 0.02 83.22 01:27:01 AM 3 16.92 0.00 2.56 2.02 0.02 78.48 01:28:01 AM all 12.91 0.00 1.29 0.49 0.01 85.30 01:28:01 AM 0 18.42 0.00 1.30 0.42 0.02 79.84 01:28:01 AM 1 23.66 0.00 2.55 0.40 0.03 73.35 01:28:01 AM 2 5.16 0.00 0.99 1.02 0.00 92.83 01:28:01 AM 3 4.38 0.00 0.32 0.12 0.00 95.19 01:29:01 AM all 37.42 0.00 2.67 1.23 0.02 58.66 01:29:01 AM 0 38.52 0.00 2.17 0.79 0.02 58.51 01:29:01 AM 1 31.47 0.00 2.74 1.04 0.02 64.73 01:29:01 AM 2 42.50 0.00 2.29 1.19 0.03 53.99 01:29:01 AM 3 37.21 0.00 3.47 1.90 0.02 57.41 01:30:01 AM all 36.54 0.00 1.99 0.33 0.02 61.12 01:30:01 AM 0 32.87 0.00 2.12 0.40 0.00 64.61 01:30:01 AM 1 32.85 0.00 2.17 0.52 0.02 64.44 01:30:01 AM 2 41.28 0.00 2.29 0.35 0.02 56.06 01:30:01 AM 3 39.14 0.00 1.39 0.05 0.03 59.38 Average: all 24.97 0.00 2.20 0.97 0.02 71.85 Average: 0 25.58 0.00 2.15 1.07 0.01 71.19 Average: 1 24.38 0.00 2.58 0.96 0.02 72.07 Average: 2 25.52 0.00 2.13 0.82 0.02 71.51 Average: 3 24.40 0.00 1.93 1.02 0.02 72.63