---> uname -a: Linux prd-centos8-docker-4c-4g-1475.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 773 12195 20 2792 14647 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:cd:de:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.76/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86037sec preferred_lft 86037sec inet6 fe80::f816:3eff:fecd:dee8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:e4:63:7d 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) 04:57:14 LINUX RESTART (4 CPU) 04:58:01 AM tps rtps wtps bread/s bwrtn/s 04:59:01 AM 198.48 18.91 179.57 3467.11 11557.50 05:00:01 AM 137.44 3.07 134.38 773.84 11665.50 05:01:01 AM 30.14 0.07 30.07 1.20 7705.11 05:02:01 AM 4.18 0.27 3.91 8.92 355.41 05:03:01 AM 11.81 3.35 8.46 278.04 298.22 Average: 76.19 5.14 71.05 906.02 6297.86 04:58:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:59:01 AM 12640072 14801204 3499236 21.68 2688 2366788 1305052 7.59 165240 2930596 250764 05:00:01 AM 10858604 13320120 5280704 32.72 2688 2661576 2724668 15.85 254548 4592248 217864 05:01:01 AM 8655968 11124900 7483340 46.37 2688 2668728 4821616 28.05 262628 6781136 3140 05:02:01 AM 8619040 11093180 7520268 46.60 2688 2673824 4853160 28.24 263348 6816788 36 05:03:01 AM 12478808 14988520 3660500 22.68 2688 2707752 1143500 6.65 463164 2765484 42120 Average: 10650498 13065585 5488810 34.01 2688 2615734 2969599 17.28 281786 4777250 102785 04:58:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 AM eth0 216.16 165.29 2477.89 31.48 0.00 0.00 0.00 0.00 04:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 AM eth0 298.41 234.94 4206.38 33.62 0.00 0.00 0.00 0.00 05:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 AM eth0 94.09 65.03 41.62 54.32 0.00 0.00 0.00 0.00 05:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 AM eth0 281.05 192.06 125.81 109.08 0.00 0.00 0.00 0.00 05:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 AM lo 6.71 6.71 0.81 0.81 0.00 0.00 0.00 0.00 05:03:01 AM eth0 27.84 25.41 51.54 20.52 0.00 0.00 0.00 0.00 05:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.35 1.35 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 183.13 136.22 1370.86 49.87 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) 04:57:14 LINUX RESTART (4 CPU) 04:58:01 AM CPU %user %nice %system %iowait %steal %idle 04:59:01 AM all 24.14 0.00 2.27 1.40 0.02 72.17 04:59:01 AM 0 24.58 0.00 1.53 0.38 0.02 73.48 04:59:01 AM 1 36.35 0.00 3.81 1.75 0.03 58.06 04:59:01 AM 2 14.28 0.00 2.03 2.38 0.02 81.29 04:59:01 AM 3 21.29 0.00 1.71 1.09 0.02 75.89 05:00:01 AM all 56.02 0.00 1.95 0.93 0.03 41.07 05:00:01 AM 0 57.15 0.00 2.18 1.31 0.03 39.33 05:00:01 AM 1 59.70 0.00 2.36 0.99 0.02 36.94 05:00:01 AM 2 48.23 0.00 2.21 1.09 0.02 48.45 05:00:01 AM 3 59.02 0.00 1.05 0.32 0.03 39.58 05:01:01 AM all 54.93 0.00 1.44 0.18 0.03 43.42 05:01:01 AM 0 65.59 0.00 0.80 0.07 0.05 33.49 05:01:01 AM 1 61.08 0.00 1.85 0.02 0.05 37.00 05:01:01 AM 2 57.17 0.00 1.38 0.02 0.00 41.43 05:01:01 AM 3 35.86 0.00 1.70 0.62 0.02 61.80 05:02:01 AM all 16.61 0.00 1.29 0.01 0.01 82.07 05:02:01 AM 0 17.34 0.00 1.09 0.03 0.02 81.52 05:02:01 AM 1 19.86 0.00 0.85 0.00 0.00 79.29 05:02:01 AM 2 12.36 0.00 1.84 0.02 0.02 85.77 05:02:01 AM 3 16.89 0.00 1.40 0.00 0.02 81.69 05:03:01 AM all 51.67 0.00 1.72 0.08 0.02 46.50 05:03:01 AM 0 43.43 0.00 1.87 0.03 0.02 54.65 05:03:01 AM 1 48.21 0.00 1.50 0.02 0.03 50.24 05:03:01 AM 2 47.84 0.00 1.60 0.07 0.02 50.48 05:03:01 AM 3 67.19 0.00 1.92 0.22 0.02 30.66 Average: all 40.63 0.00 1.73 0.52 0.02 57.10 Average: 0 41.57 0.00 1.49 0.36 0.03 56.55 Average: 1 44.99 0.00 2.07 0.55 0.03 52.36 Average: 2 35.95 0.00 1.81 0.71 0.01 61.51 Average: 3 40.00 0.00 1.56 0.45 0.02 57.97