---> uname -a: Linux prd-centos8-docker-4c-4g-2738.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 799 12101 20 2860 14615 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:29:e2:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.17/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fe29:e278/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:51:74:c7 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:eff:fe51:74c7/64 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) 11/12/2026 _x86_64_ (4 CPU) 07:52:24 LINUX RESTART (4 CPU) 07:53:01 AM tps rtps wtps bread/s bwrtn/s 07:54:01 AM 233.17 30.17 203.00 4610.08 4171.94 07:55:01 AM 106.15 0.53 105.62 149.98 10329.31 07:56:01 AM 188.27 5.63 182.64 625.12 10390.04 07:57:01 AM 31.28 0.48 30.79 402.20 5024.90 07:58:01 AM 67.28 0.78 66.49 130.76 12414.83 Average: 125.23 7.52 117.71 1183.69 8466.26 07:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:54:01 AM 13527404 15100496 2611912 16.18 2688 1800188 1147124 6.67 139168 2155872 43244 07:55:01 AM 13197480 15133944 2941836 18.23 2688 2144928 1083084 6.30 141112 2413976 161316 07:56:01 AM 11557440 13743400 4581876 28.39 2688 2388200 2481660 14.44 206600 3953132 128284 07:57:01 AM 11490988 13703368 4648328 28.80 2688 2413684 2832672 16.48 208132 4009700 20 07:58:01 AM 10833632 13396576 5305684 32.87 2688 2754300 3043324 17.71 307300 4527772 2512 Average: 12121389 14215557 4017927 24.90 2688 2300260 2117573 12.32 200462 3412090 67075 07:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 AM eth0 303.90 181.51 1057.30 66.98 0.00 0.00 0.00 0.00 07:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 AM eth0 61.19 37.14 1104.78 5.72 0.00 0.00 0.00 0.00 07:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 AM eth0 249.02 218.84 3131.39 37.33 0.00 0.00 0.00 0.00 07:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 07:57:01 AM eth0 9.57 7.72 98.46 1.48 0.00 0.00 0.00 0.00 07:57:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:57:01 AM vethb54e780 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 07:58:01 AM lo 7.71 7.71 5.40 5.40 0.00 0.00 0.00 0.00 07:58:01 AM eth0 103.67 60.65 2175.49 9.59 0.00 0.00 0.00 0.00 07:58:01 AM docker0 3.52 3.30 4.10 0.46 0.00 0.00 0.00 0.00 07:58:01 AM vethb54e780 0.17 0.20 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 1.59 1.59 1.08 1.08 0.00 0.00 0.00 0.00 Average: eth0 145.47 101.18 1513.54 24.22 0.00 0.00 0.00 0.00 Average: docker0 0.73 0.71 0.82 0.10 0.00 0.00 0.00 0.00 Average: vethb54e780 0.06 0.12 0.00 0.01 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) 11/12/2026 _x86_64_ (4 CPU) 07:52:24 LINUX RESTART (4 CPU) 07:53:01 AM CPU %user %nice %system %iowait %steal %idle 07:54:01 AM all 12.67 0.00 1.74 1.04 0.00 84.55 07:54:01 AM 0 22.88 0.00 2.59 0.47 0.00 74.06 07:54:01 AM 1 6.71 0.00 2.33 3.00 0.02 87.95 07:54:01 AM 2 10.05 0.00 1.14 0.30 0.00 88.52 07:54:01 AM 3 11.02 0.00 0.90 0.38 0.00 87.69 07:55:01 AM all 11.16 0.00 1.19 0.49 0.01 87.15 07:55:01 AM 0 12.35 0.00 0.87 0.28 0.00 86.50 07:55:01 AM 1 13.31 0.00 1.94 1.05 0.02 83.68 07:55:01 AM 2 5.37 0.00 0.65 0.38 0.02 93.58 07:55:01 AM 3 13.62 0.00 1.29 0.25 0.02 84.83 07:56:01 AM all 30.29 0.00 1.90 0.87 0.01 66.94 07:56:01 AM 0 35.19 0.00 1.02 0.38 0.02 63.39 07:56:01 AM 1 28.12 0.00 2.42 1.22 0.00 68.23 07:56:01 AM 2 26.33 0.00 1.99 1.12 0.00 70.56 07:56:01 AM 3 31.49 0.00 2.16 0.75 0.03 65.57 07:57:01 AM all 0.96 0.00 0.29 0.19 0.01 98.55 07:57:01 AM 0 0.67 0.00 0.35 0.27 0.02 98.70 07:57:01 AM 1 0.92 0.00 0.27 0.08 0.02 98.71 07:57:01 AM 2 1.30 0.00 0.32 0.37 0.02 98.00 07:57:01 AM 3 0.94 0.00 0.23 0.05 0.00 98.78 07:58:01 AM all 21.00 0.09 1.86 0.44 0.00 76.61 07:58:01 AM 0 20.58 0.08 1.47 0.65 0.00 77.21 07:58:01 AM 1 19.89 0.12 1.94 0.45 0.00 77.60 07:58:01 AM 2 19.38 0.07 1.83 0.47 0.00 78.25 07:58:01 AM 3 24.16 0.10 2.19 0.17 0.00 73.38 Average: all 15.21 0.02 1.39 0.61 0.01 82.77 Average: 0 18.33 0.02 1.26 0.41 0.01 79.98 Average: 1 13.79 0.02 1.78 1.16 0.01 83.24 Average: 2 12.48 0.01 1.18 0.53 0.01 85.79 Average: 3 16.24 0.02 1.35 0.32 0.01 82.06