---> uname -a: Linux prd-centos8-docker-4c-4g-1479.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 765 12205 20 2789 14655 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:ad:98:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.19/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86053sec preferred_lft 86053sec inet6 fe80::f816:3eff:fead:98c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b8:5a:e3:8e 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) 09/15/2026 _x86_64_ (4 CPU) 05:05:03 LINUX RESTART (4 CPU) 05:06:02 AM tps rtps wtps bread/s bwrtn/s 05:07:01 AM 219.93 20.52 199.41 4197.12 16583.38 05:08:01 AM 112.49 1.70 110.79 102.60 11896.77 05:09:01 AM 8.81 0.00 8.81 0.00 442.17 05:10:01 AM 4.52 2.92 1.60 139.31 227.60 Average: 85.88 6.22 79.66 1096.67 7248.89 05:06:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:07:01 AM 12080384 14309332 4058932 25.15 2688 2432888 1867292 10.86 209260 3433056 101072 05:08:01 AM 10065804 12531168 6073512 37.63 2688 2665240 3412292 19.85 263908 5371260 4492 05:09:01 AM 9850700 12321456 6288616 38.96 2688 2670432 3459668 20.13 264340 5587212 1552 05:10:01 AM 8514136 10995620 7625180 47.25 2688 2680912 4787236 27.85 275848 6905736 2108 Average: 10127756 12539394 6011560 37.25 2688 2612368 3381622 19.67 253339 5324316 27306 05:06:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:07:01 AM eth0 256.63 207.27 2530.21 37.33 0.00 0.00 0.00 0.00 05:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:08:01 AM eth0 205.90 179.51 3428.22 35.11 0.00 0.00 0.00 0.00 05:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:01 AM eth0 164.28 108.01 71.34 76.26 0.00 0.00 0.00 0.00 05:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 AM lo 4.27 4.27 0.49 0.49 0.00 0.00 0.00 0.00 05:10:01 AM eth0 108.72 77.85 35.46 37.21 0.00 0.00 0.00 0.00 05:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.12 0.12 0.00 0.00 0.00 0.00 Average: eth0 183.58 142.90 1512.25 46.52 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) 09/15/2026 _x86_64_ (4 CPU) 05:05:03 LINUX RESTART (4 CPU) 05:06:02 AM CPU %user %nice %system %iowait %steal %idle 05:07:01 AM all 33.81 0.00 2.28 1.18 0.02 62.71 05:07:01 AM 0 33.77 0.00 3.37 1.68 0.02 61.16 05:07:01 AM 1 26.91 0.00 1.78 1.80 0.00 69.51 05:07:01 AM 2 46.82 0.00 2.78 0.87 0.03 49.50 05:07:01 AM 3 27.72 0.00 1.19 0.37 0.02 70.69 05:08:01 AM all 72.78 0.00 1.94 0.41 0.03 24.84 05:08:01 AM 0 81.55 0.00 1.27 0.15 0.02 17.01 05:08:01 AM 1 73.51 0.00 1.35 0.27 0.02 24.86 05:08:01 AM 2 62.56 0.00 2.67 1.04 0.03 33.70 05:08:01 AM 3 73.48 0.00 2.47 0.20 0.03 23.81 05:09:01 AM all 28.61 0.00 1.44 0.01 0.01 69.93 05:09:01 AM 0 26.73 0.00 1.20 0.00 0.02 72.05 05:09:01 AM 1 27.90 0.00 1.42 0.02 0.00 70.66 05:09:01 AM 2 25.27 0.00 1.72 0.03 0.00 72.97 05:09:01 AM 3 34.55 0.00 1.42 0.00 0.02 64.02 05:10:01 AM all 32.90 0.00 1.14 0.04 0.01 65.90 05:10:01 AM 0 39.29 0.00 1.79 0.07 0.00 58.86 05:10:01 AM 1 30.19 0.00 0.58 0.02 0.02 69.19 05:10:01 AM 2 36.68 0.00 0.89 0.02 0.02 62.41 05:10:01 AM 3 25.45 0.00 1.32 0.05 0.02 73.16 Average: all 42.07 0.00 1.70 0.41 0.02 55.81 Average: 0 45.39 0.00 1.90 0.47 0.01 52.23 Average: 1 39.69 0.00 1.28 0.52 0.01 58.50 Average: 2 42.82 0.00 2.01 0.49 0.02 54.66 Average: 3 40.37 0.00 1.60 0.16 0.02 57.85