---> uname -a: Linux prd-centos8-docker-8c-8g-1441.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 1028 28251 19 2608 30408 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:6a:3a:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.136/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe6a:3a09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:df:35:9e 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) 07/21/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 125.01 2.03 122.98 307.90 10381.14 05:20:01 AM 202.92 1.93 200.98 611.23 12254.37 05:21:01 AM 72.64 2.58 70.06 464.91 5955.05 Average: 133.52 2.18 131.34 461.34 9530.04 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29185300 31075744 3468072 10.62 2688 2206492 2059652 6.11 158548 2845568 214888 05:20:01 AM 27532872 29628256 5120500 15.68 2688 2403624 2826024 8.39 214416 4402940 87000 05:21:01 AM 28926776 31134340 3726596 11.41 2688 2512360 1496552 4.44 244540 2971388 58820 Average: 28548316 30612780 4105056 12.57 2688 2374159 2127409 6.31 205835 3406632 120236 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 166.66 131.97 1751.66 44.86 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 240.21 208.25 2386.94 39.97 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 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 148.32 122.48 789.06 54.86 0.00 0.00 0.00 0.00 05:21:01 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 185.06 154.23 1642.51 46.56 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) 07/21/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.82 0.00 0.96 0.28 0.05 89.89 05:19:01 AM 0 2.20 0.00 0.45 0.25 0.05 97.05 05:19:01 AM 1 4.77 0.00 0.33 0.13 0.05 94.71 05:19:01 AM 2 35.38 0.00 3.36 0.40 0.08 60.78 05:19:01 AM 3 10.64 0.00 0.93 0.20 0.03 88.20 05:19:01 AM 4 3.49 0.00 0.58 0.40 0.03 95.49 05:19:01 AM 5 3.61 0.00 0.80 0.18 0.07 95.34 05:19:01 AM 6 4.87 0.00 0.38 0.12 0.03 94.59 05:19:01 AM 7 5.61 0.00 0.82 0.55 0.05 92.97 05:20:01 AM all 36.64 0.00 1.62 0.53 0.09 61.11 05:20:01 AM 0 32.40 0.00 2.29 1.00 0.10 64.20 05:20:01 AM 1 44.23 0.00 1.47 0.53 0.10 53.67 05:20:01 AM 2 45.60 0.00 2.04 0.40 0.10 51.86 05:20:01 AM 3 36.20 0.00 1.14 0.69 0.08 61.90 05:20:01 AM 4 25.59 0.00 1.29 0.23 0.07 72.82 05:20:01 AM 5 43.90 0.00 1.50 0.40 0.10 54.09 05:20:01 AM 6 34.65 0.00 1.32 0.52 0.08 63.43 05:20:01 AM 7 30.53 0.00 1.94 0.45 0.10 66.98 05:21:01 AM all 35.60 0.00 1.59 0.16 0.09 62.56 05:21:01 AM 0 32.97 0.00 1.45 0.20 0.10 65.28 05:21:01 AM 1 37.62 0.00 1.70 0.08 0.10 60.49 05:21:01 AM 2 42.01 0.00 1.79 0.10 0.10 56.01 05:21:01 AM 3 39.57 0.00 1.60 0.27 0.08 58.48 05:21:01 AM 4 33.91 0.00 1.49 0.05 0.10 64.45 05:21:01 AM 5 23.54 0.00 1.37 0.20 0.10 74.79 05:21:01 AM 6 37.37 0.00 1.94 0.15 0.08 60.45 05:21:01 AM 7 37.79 0.00 1.39 0.25 0.08 60.48 Average: all 27.02 0.00 1.39 0.32 0.08 71.19 Average: 0 22.52 0.00 1.40 0.48 0.08 75.52 Average: 1 28.89 0.00 1.17 0.25 0.08 69.61 Average: 2 40.99 0.00 2.40 0.30 0.09 56.22 Average: 3 28.79 0.00 1.22 0.38 0.07 69.54 Average: 4 20.99 0.00 1.12 0.23 0.07 77.60 Average: 5 23.68 0.00 1.23 0.26 0.09 74.75 Average: 6 25.63 0.00 1.21 0.26 0.07 72.83 Average: 7 24.64 0.00 1.38 0.42 0.08 73.48