---> uname -a: Linux prd-centos8-docker-4c-4g-1090.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 nrip_save 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 815 12033 19 2911 14607 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:cb:83:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.162/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fecb:8318/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f8:80:51:2f 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) 07/20/2026 _x86_64_ (4 CPU) 03:05:33 LINUX RESTART (4 CPU) 03:06:02 AM tps rtps wtps bread/s bwrtn/s 03:07:01 AM 196.00 7.03 188.97 1137.38 7167.77 03:08:01 AM 257.40 16.46 240.94 3914.30 15543.87 03:09:01 AM 61.81 4.55 57.26 346.74 9121.63 03:10:01 AM 47.02 0.85 46.17 67.04 8789.94 Average: 140.33 7.22 133.10 1367.37 10168.34 03:06:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:07:01 AM 13326948 15100904 2812372 17.43 2688 1989644 1172400 6.82 143892 2313596 172616 03:08:01 AM 12156776 14520976 3982544 24.68 2688 2565552 1562836 9.09 210028 3353092 246892 03:09:01 AM 11294300 13679412 4845020 30.02 2688 2585628 2415584 14.05 251220 4164128 892 03:10:01 AM 12343504 14977508 3795816 23.52 2688 2831960 1197480 6.97 534820 2833732 24188 Average: 12280382 14569700 3858938 23.91 2688 2493196 1587075 9.23 284990 3166137 111147 03:06:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 AM eth0 176.82 113.00 1160.83 41.22 0.00 0.00 0.00 0.00 03:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM eth0 460.56 296.48 4942.49 65.25 0.00 0.00 0.00 0.00 03:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 AM lo 24.56 24.56 5.03 5.03 0.00 0.00 0.00 0.00 03:09:01 AM eth0 55.01 29.51 105.98 20.03 0.00 0.00 0.00 0.00 03:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 AM lo 5.00 5.00 1.12 1.12 0.00 0.00 0.00 0.00 03:10:01 AM eth0 56.43 48.57 280.54 24.75 0.00 0.00 0.00 0.00 03:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.42 7.42 1.54 1.54 0.00 0.00 0.00 0.00 Average: eth0 187.25 121.93 1624.45 37.80 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) 07/20/2026 _x86_64_ (4 CPU) 03:05:33 LINUX RESTART (4 CPU) 03:06:02 AM CPU %user %nice %system %iowait %steal %idle 03:07:01 AM all 15.84 0.00 1.95 1.84 0.11 80.26 03:07:01 AM 0 4.41 0.00 1.14 0.46 0.07 93.92 03:07:01 AM 1 15.27 0.00 1.77 1.97 0.19 80.81 03:07:01 AM 2 12.89 0.00 1.53 1.28 0.09 84.22 03:07:01 AM 3 30.83 0.00 3.37 3.65 0.10 62.04 03:08:01 AM all 33.43 0.00 2.88 2.91 0.12 60.67 03:08:01 AM 0 43.60 0.00 3.06 2.60 0.12 50.62 03:08:01 AM 1 27.44 0.00 2.90 3.65 0.12 65.90 03:08:01 AM 2 26.24 0.00 2.97 2.97 0.12 67.71 03:08:01 AM 3 36.42 0.00 2.58 2.41 0.12 58.46 03:09:01 AM all 40.21 0.00 1.00 1.31 0.10 57.38 03:09:01 AM 0 39.85 0.00 1.34 2.51 0.12 56.19 03:09:01 AM 1 47.45 0.00 0.57 0.23 0.10 51.65 03:09:01 AM 2 24.41 0.00 1.63 2.05 0.12 71.80 03:09:01 AM 3 49.07 0.00 0.45 0.45 0.08 49.94 03:10:01 AM all 19.07 0.00 1.71 0.69 0.08 78.44 03:10:01 AM 0 11.91 0.00 1.19 0.05 0.07 86.79 03:10:01 AM 1 8.58 0.00 1.84 1.20 0.07 88.31 03:10:01 AM 2 29.56 0.00 2.10 1.24 0.08 67.01 03:10:01 AM 3 26.23 0.00 1.72 0.27 0.10 71.68 Average: all 27.18 0.00 1.88 1.68 0.10 69.15 Average: 0 25.01 0.00 1.68 1.41 0.09 71.81 Average: 1 24.72 0.00 1.77 1.76 0.12 71.63 Average: 2 23.32 0.00 2.06 1.88 0.10 72.63 Average: 3 35.67 0.00 2.02 1.68 0.10 60.52