---> uname -a: Linux prd-centos8-docker-4c-4g-233.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1555 10311 20 3893 13863 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:01:aa:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85969sec preferred_lft 85969sec inet6 fe80::f816:3eff:fe01:aa29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:58:bd:53 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) 09/12/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:02 AM 143.40 14.91 128.49 3131.22 9793.52 12:35:01 AM 195.59 7.59 188.00 1060.02 50293.61 12:36:01 AM 74.94 0.00 74.94 0.00 8277.97 12:37:01 AM 3.98 0.00 3.98 0.00 280.96 12:38:01 AM 6.48 2.75 3.73 162.10 225.94 12:39:01 AM 30.66 2.67 27.99 78.24 2318.23 Average: 75.49 4.64 70.85 737.51 11754.65 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:02 AM 12831212 14979324 3308096 20.50 2688 2356204 1243900 7.24 183256 2727520 289308 12:35:01 AM 10752852 14118400 5386456 33.37 2688 3566760 1911492 11.12 286784 4673668 38532 12:36:01 AM 8761536 12324224 7377772 45.71 2688 3760824 3557508 20.70 317616 6618128 2384 12:37:01 AM 8656376 12223196 7482932 46.36 2688 3764772 3589188 20.88 317800 6722184 876 12:38:01 AM 10307540 13886788 5831768 36.13 2688 3777172 2132416 12.41 329876 5064700 3520 12:39:01 AM 10625072 14250316 5514236 34.17 2688 3821776 1876576 10.92 412660 4662772 460 Average: 10322431 13630375 5816877 36.04 2688 3507918 2385180 13.88 307999 5078162 55847 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:02 AM eth0 165.78 102.65 2666.53 19.99 0.00 0.00 0.00 0.00 12:34:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 906.73 436.96 19780.30 46.73 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 185.68 141.96 2962.37 31.75 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 299.03 206.05 114.44 111.64 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 6.93 6.93 0.83 0.83 0.00 0.00 0.00 0.00 12:38:01 AM eth0 58.96 43.02 20.12 22.59 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM eth0 234.46 157.45 636.58 219.48 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 306.71 180.61 4319.17 75.44 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) 09/12/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:02 AM all 21.45 0.00 2.20 0.77 0.03 75.56 12:34:02 AM 0 24.15 0.00 2.68 0.67 0.03 72.47 12:34:02 AM 1 12.94 0.00 1.77 1.10 0.03 84.15 12:34:02 AM 2 17.56 0.00 1.72 0.55 0.02 80.15 12:34:02 AM 3 31.14 0.00 2.61 0.75 0.02 65.49 12:35:01 AM all 49.29 0.00 2.61 1.83 0.02 46.25 12:35:01 AM 0 48.90 0.00 2.66 1.38 0.03 47.02 12:35:01 AM 1 50.89 0.00 3.56 2.23 0.02 43.31 12:35:01 AM 2 44.80 0.00 2.29 1.95 0.02 50.93 12:35:01 AM 3 52.58 0.00 1.94 1.73 0.02 43.74 12:36:01 AM all 62.22 0.00 1.80 0.27 0.03 35.69 12:36:01 AM 0 72.27 0.00 2.34 0.28 0.07 25.04 12:36:01 AM 1 49.16 0.00 2.41 0.47 0.02 47.94 12:36:01 AM 2 57.27 0.00 1.52 0.22 0.02 40.97 12:36:01 AM 3 70.17 0.00 0.92 0.10 0.02 28.80 12:37:01 AM all 18.50 0.00 1.68 0.00 0.01 79.81 12:37:01 AM 0 20.63 0.00 1.49 0.02 0.00 77.86 12:37:01 AM 1 14.82 0.00 2.24 0.00 0.00 82.94 12:37:01 AM 2 16.44 0.00 1.60 0.00 0.02 81.94 12:37:01 AM 3 22.10 0.00 1.37 0.00 0.02 76.52 12:38:01 AM all 43.55 0.00 1.28 0.03 0.03 55.11 12:38:01 AM 0 31.67 0.00 1.55 0.02 0.03 66.72 12:38:01 AM 1 36.00 0.00 1.55 0.10 0.02 62.33 12:38:01 AM 2 42.37 0.00 0.63 0.00 0.02 56.98 12:38:01 AM 3 64.13 0.00 1.37 0.02 0.05 34.43 12:39:01 AM all 47.96 0.00 1.82 0.16 0.04 50.01 12:39:01 AM 0 57.85 0.00 2.14 0.02 0.03 39.96 12:39:01 AM 1 33.67 0.00 1.79 0.43 0.03 64.07 12:39:01 AM 2 52.61 0.00 1.35 0.00 0.05 45.99 12:39:01 AM 3 47.71 0.00 1.99 0.20 0.05 50.05 Average: all 40.47 0.00 1.89 0.51 0.03 57.10 Average: 0 42.55 0.00 2.14 0.39 0.03 54.88 Average: 1 32.86 0.00 2.22 0.72 0.02 64.18 Average: 2 38.49 0.00 1.52 0.45 0.02 59.52 Average: 3 47.97 0.00 1.70 0.46 0.03 49.84