---> uname -a: Linux prd-centos8-docker-8c-8g-10740.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1020 28260 19 2606 30415 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:22:e0:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fe22:e0a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:31:41:2e 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) 06/11/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 156.00 2.15 153.85 336.29 10877.21 05:20:01 AM 192.93 3.43 189.50 1009.03 12467.91 05:21:02 AM 74.83 2.65 72.18 99.03 5715.26 Average: 141.25 2.74 138.51 481.42 9686.64 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28539968 30454440 4113404 12.60 2688 2229484 2664480 7.91 159748 3483284 234904 05:20:01 AM 27348708 29455864 5304664 16.25 2688 2414656 3009368 8.93 222772 4575252 71244 05:21:02 AM 28948096 31153652 3705276 11.35 2688 2509528 1474640 4.38 420852 2774176 48616 Average: 28278924 30354652 4374448 13.40 2688 2384556 2382829 7.07 267791 3610904 118255 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 194.49 162.10 2142.88 49.62 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 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 226.30 198.95 1978.73 42.87 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:02 AM eth0 204.63 192.32 816.84 177.93 0.00 0.00 0.00 0.00 05:21:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 208.47 184.45 1646.13 90.14 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) 06/11/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 13.81 0.00 1.33 0.43 0.06 84.37 05:19:01 AM 0 3.83 0.00 0.94 0.59 0.07 94.58 05:19:01 AM 1 28.53 0.00 2.64 0.52 0.08 68.23 05:19:01 AM 2 16.82 0.00 2.04 0.67 0.08 80.38 05:19:01 AM 3 15.93 0.00 1.62 0.67 0.07 81.71 05:19:01 AM 4 7.40 0.00 0.89 0.48 0.03 91.20 05:19:01 AM 5 9.81 0.00 0.75 0.25 0.07 89.12 05:19:01 AM 6 16.25 0.00 0.82 0.07 0.05 82.82 05:19:01 AM 7 11.92 0.00 0.92 0.22 0.05 86.89 05:20:01 AM all 39.38 0.00 1.56 0.75 0.10 58.21 05:20:01 AM 0 30.58 0.00 1.81 0.95 0.10 66.57 05:20:01 AM 1 34.54 0.00 1.62 1.30 0.08 62.45 05:20:01 AM 2 46.52 0.00 1.40 0.30 0.10 51.67 05:20:01 AM 3 35.34 0.00 2.18 1.14 0.12 61.23 05:20:01 AM 4 42.45 0.00 1.30 0.25 0.10 55.90 05:20:01 AM 5 34.50 0.00 1.82 0.75 0.10 62.82 05:20:01 AM 6 50.88 0.00 1.20 0.38 0.10 47.44 05:20:01 AM 7 40.18 0.00 1.17 0.89 0.10 57.67 05:21:02 AM all 30.34 0.00 1.58 0.19 0.09 67.80 05:21:02 AM 0 24.26 0.00 1.10 0.12 0.08 74.44 05:21:02 AM 1 27.40 0.00 1.81 0.27 0.08 70.44 05:21:02 AM 2 30.57 0.00 1.25 0.27 0.08 67.82 05:21:02 AM 3 34.22 0.00 1.69 0.23 0.08 63.78 05:21:02 AM 4 38.45 0.00 2.02 0.42 0.10 59.01 05:21:02 AM 5 30.79 0.00 1.77 0.10 0.08 67.25 05:21:02 AM 6 34.29 0.00 1.77 0.03 0.08 63.82 05:21:02 AM 7 22.77 0.00 1.22 0.08 0.08 75.85 Average: all 27.84 0.00 1.49 0.46 0.08 70.13 Average: 0 19.56 0.00 1.28 0.55 0.08 78.53 Average: 1 30.16 0.00 2.02 0.70 0.08 67.04 Average: 2 31.31 0.00 1.57 0.41 0.09 66.62 Average: 3 28.50 0.00 1.83 0.68 0.09 68.90 Average: 4 29.42 0.00 1.40 0.38 0.08 68.71 Average: 5 25.03 0.00 1.45 0.37 0.08 73.07 Average: 6 33.80 0.00 1.26 0.16 0.08 64.70 Average: 7 24.96 0.00 1.10 0.40 0.08 73.47