---> uname -a: Linux prd-centos8-docker-4c-4g-18525.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 1028 10809 20 3922 14382 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:36:83:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.132/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fe36:83fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:71:61:8d 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::42:5cff:fe71:618d/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) 09/07/2026 _x86_64_ (4 CPU) 12:26:07 LINUX RESTART (4 CPU) 12:27:01 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 120.76 1.82 118.94 307.50 11017.04 12:29:01 PM 181.31 4.40 176.91 486.77 10581.87 12:30:01 PM 118.56 1.85 116.71 468.51 18569.29 12:31:01 PM 936.18 95.08 841.09 1697.72 37769.76 12:32:01 PM 66.91 23.81 43.10 475.97 2305.80 Average: 284.72 25.39 259.33 687.26 16048.03 12:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 12960428 14950660 3178880 19.70 2688 2199548 1438860 8.37 153820 2634672 211864 12:29:01 PM 11567116 13782340 4572192 28.33 2688 2418348 2397784 13.95 207360 3944140 154276 12:30:01 PM 11243800 14149816 4895508 30.33 2688 3085848 1846496 10.74 356240 4044280 307648 12:31:01 PM 9776848 13370072 6362460 39.42 2688 3583992 1917064 11.15 405620 5062692 6744 12:32:01 PM 11055676 14711612 5083632 31.50 2688 3641588 1223040 7.12 625512 3570736 38664 Average: 11320774 14192900 4818534 29.86 2688 2985865 1764649 10.27 349710 3851304 143839 12:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 145.22 105.01 1654.48 15.92 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 334.41 268.73 3156.59 39.59 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 6.35 6.35 4.57 4.57 0.00 0.00 0.00 0.00 12:30:01 PM eth0 231.34 167.93 3051.85 27.51 0.00 0.00 0.00 0.00 12:30:01 PM docker0 3.25 3.05 4.08 0.45 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 133.61 92.08 1000.07 14.43 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 24.59 20.04 53.01 7.44 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 173.83 130.76 1783.23 20.98 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.61 0.82 0.09 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) 09/07/2026 _x86_64_ (4 CPU) 12:26:07 LINUX RESTART (4 CPU) 12:27:01 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 18.40 0.00 1.76 0.53 0.03 79.28 12:28:01 PM 0 17.83 0.00 1.44 0.40 0.02 80.31 12:28:01 PM 1 11.28 0.00 1.12 0.57 0.00 87.03 12:28:01 PM 2 14.51 0.00 1.52 0.49 0.02 83.46 12:28:01 PM 3 29.97 0.00 2.96 0.67 0.07 66.34 12:29:01 PM all 28.06 0.00 1.91 0.86 0.02 69.15 12:29:01 PM 0 27.17 0.00 1.30 0.45 0.02 71.06 12:29:01 PM 1 27.23 0.00 2.20 0.77 0.02 69.78 12:29:01 PM 2 30.29 0.00 1.14 0.43 0.02 68.12 12:29:01 PM 3 27.55 0.00 3.02 1.78 0.03 67.61 12:30:01 PM all 28.44 0.08 3.59 0.60 0.03 67.25 12:30:01 PM 0 26.62 0.03 2.95 0.65 0.02 69.73 12:30:01 PM 1 24.99 0.13 3.36 0.27 0.03 71.21 12:30:01 PM 2 33.48 0.15 4.28 0.82 0.05 61.21 12:30:01 PM 3 28.69 0.02 3.76 0.64 0.03 66.86 12:31:01 PM all 30.97 0.00 9.45 5.42 0.03 54.14 12:31:01 PM 0 55.13 0.00 9.23 6.11 0.05 29.48 12:31:01 PM 1 20.47 0.00 9.16 4.36 0.02 66.00 12:31:01 PM 2 19.53 0.00 8.56 5.18 0.02 66.71 12:31:01 PM 3 28.73 0.00 10.84 6.03 0.02 54.38 12:32:01 PM all 35.32 0.00 2.35 0.43 0.03 61.87 12:32:01 PM 0 42.53 0.00 2.64 0.47 0.02 54.35 12:32:01 PM 1 23.08 0.00 2.04 0.55 0.02 74.31 12:32:01 PM 2 55.58 0.00 3.10 0.17 0.07 41.08 12:32:01 PM 3 20.01 0.00 1.62 0.52 0.02 77.83 Average: all 28.23 0.02 3.80 1.56 0.03 66.37 Average: 0 33.81 0.01 3.50 1.61 0.02 61.06 Average: 1 21.41 0.03 3.56 1.30 0.02 73.69 Average: 2 30.72 0.03 3.71 1.41 0.03 64.10 Average: 3 26.98 0.00 4.42 1.92 0.03 66.64