---> uname -a: Linux prd-centos8-docker-4c-4g-5760.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1033 10803 20 3924 14377 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:5e:d0:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.96/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fe5e:d040/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a3:a5:24:14 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:a3ff:fea5:2414/64 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) 09/28/2026 _x86_64_ (4 CPU) 05:14:25 LINUX RESTART (4 CPU) 05:15:01 AM tps rtps wtps bread/s bwrtn/s 05:16:01 AM 145.93 2.10 143.84 323.49 10163.76 05:17:01 AM 254.87 5.48 249.38 927.29 28781.99 05:18:01 AM 1212.44 76.61 1135.83 1457.40 37228.69 05:19:01 AM 102.72 43.28 59.44 750.81 3180.90 Average: 429.04 31.87 397.17 864.78 19840.25 05:15:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 AM 12788992 14796924 3350324 20.76 2688 2215744 1539372 8.96 154280 2802896 247212 05:17:01 AM 10904600 13486544 5234716 32.43 2688 2774148 2896908 16.85 305244 4463016 1148 05:18:01 AM 10156224 13742824 5983092 37.07 2688 3577776 1885652 10.97 471344 4597660 40688 05:19:01 AM 11046800 14704684 5092516 31.55 2688 3643552 1230896 7.16 684776 3496416 55620 Average: 11224154 14182744 4915162 30.45 2688 3052805 1888207 10.99 403911 3839997 86167 05:15:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 AM eth0 161.56 121.36 2034.92 22.67 0.00 0.00 0.00 0.00 05:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 AM lo 5.91 5.91 4.57 4.57 0.00 0.00 0.00 0.00 05:17:01 AM eth0 359.40 261.38 5111.33 43.85 0.00 0.00 0.00 0.00 05:17:01 AM docker0 3.35 3.08 4.09 0.45 0.00 0.00 0.00 0.00 05:17:01 AM vethc8a5330 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 05:18:01 AM lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 05:18:01 AM eth0 216.38 174.00 1868.00 1200.39 0.00 0.00 0.00 0.00 05:18:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 23.90 18.93 49.16 47.06 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 190.32 143.92 2265.93 328.54 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.78 1.02 0.11 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) 09/28/2026 _x86_64_ (4 CPU) 05:14:25 LINUX RESTART (4 CPU) 05:15:01 AM CPU %user %nice %system %iowait %steal %idle 05:16:01 AM all 22.74 0.00 2.10 0.69 0.02 74.45 05:16:01 AM 0 17.16 0.00 1.82 0.80 0.02 80.20 05:16:01 AM 1 16.85 0.00 1.37 0.10 0.00 81.68 05:16:01 AM 2 48.45 0.00 4.19 1.25 0.03 46.07 05:16:01 AM 3 8.50 0.00 1.02 0.60 0.02 89.86 05:17:01 AM all 44.76 0.11 3.75 1.20 0.02 50.16 05:17:01 AM 0 44.58 0.00 4.25 1.13 0.02 50.03 05:17:01 AM 1 47.76 0.13 3.70 1.24 0.02 47.15 05:17:01 AM 2 44.14 0.07 3.56 1.43 0.02 50.78 05:17:01 AM 3 42.56 0.24 3.50 0.99 0.02 52.69 05:18:01 AM all 28.27 0.00 9.69 7.19 0.01 54.83 05:18:01 AM 0 40.49 0.00 12.89 7.06 0.03 39.53 05:18:01 AM 1 31.39 0.00 8.35 6.34 0.02 53.90 05:18:01 AM 2 19.75 0.00 9.61 7.94 0.00 62.69 05:18:01 AM 3 21.41 0.00 7.90 7.43 0.00 63.26 05:19:01 AM all 41.16 0.00 2.07 0.61 0.01 56.16 05:19:01 AM 0 27.10 0.00 2.06 0.55 0.00 70.29 05:19:01 AM 1 45.02 0.00 1.87 0.28 0.02 52.81 05:19:01 AM 2 53.49 0.00 2.18 1.00 0.02 43.31 05:19:01 AM 3 39.04 0.00 2.17 0.59 0.00 58.20 Average: all 34.24 0.03 4.38 2.40 0.01 58.93 Average: 0 32.28 0.00 5.23 2.37 0.02 60.11 Average: 1 35.25 0.03 3.80 1.97 0.01 58.93 Average: 2 41.56 0.02 4.87 2.89 0.02 50.66 Average: 3 27.89 0.06 3.63 2.38 0.01 66.03