---> uname -a: Linux prd-centos8-docker-8c-8g-4640.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 1009 28272 19 2605 30426 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:30:1e:a5 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 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe30:1ea5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:51:f3:99:2e 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) 05/29/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 192.44 2.90 189.54 412.13 16075.97 05:21:01 AM 131.76 2.47 129.29 949.68 5229.86 05:22:01 AM 71.38 2.88 68.49 131.29 6018.03 Average: 131.86 2.75 129.11 497.70 9107.95 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28343424 30284892 4309948 13.20 2688 2254332 2704244 8.02 169388 3656256 51476 05:21:01 AM 26993872 29149568 5659500 17.33 2688 2462440 3459120 10.26 231820 4912884 109128 05:22:01 AM 29020736 31226156 3632636 11.12 2688 2509176 1422544 4.22 424032 2697848 29084 Average: 28119344 30220205 4534028 13.89 2688 2408649 2528636 7.50 275080 3755663 63229 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 208.46 182.54 1753.50 57.21 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 202.13 170.48 2096.78 32.64 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 157.41 155.66 347.21 168.53 0.00 0.00 0.00 0.00 05:22:01 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 189.34 169.56 1399.16 86.13 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) 05/29/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 16.27 0.00 1.32 0.61 0.06 81.74 05:20:01 AM 0 11.45 0.00 1.00 0.30 0.07 87.18 05:20:01 AM 1 12.04 0.00 1.05 0.27 0.07 86.57 05:20:01 AM 2 23.20 0.00 1.84 0.67 0.07 74.23 05:20:01 AM 3 32.49 0.00 1.60 0.15 0.08 65.68 05:20:01 AM 4 14.18 0.00 1.15 0.35 0.05 84.27 05:20:01 AM 5 9.87 0.00 1.99 1.67 0.05 86.41 05:20:01 AM 6 15.36 0.00 0.85 0.40 0.07 83.32 05:20:01 AM 7 11.52 0.00 1.07 1.10 0.07 86.24 05:21:01 AM all 44.26 0.00 1.58 0.32 0.08 53.76 05:21:01 AM 0 34.04 0.00 1.89 0.65 0.08 63.34 05:21:01 AM 1 46.12 0.00 2.02 0.47 0.08 51.30 05:21:01 AM 2 48.68 0.00 1.85 0.05 0.07 49.35 05:21:01 AM 3 47.57 0.00 1.20 0.23 0.07 50.93 05:21:01 AM 4 36.62 0.00 1.69 0.23 0.07 61.39 05:21:01 AM 5 46.96 0.00 1.27 0.02 0.08 51.67 05:21:01 AM 6 46.48 0.00 1.10 0.37 0.07 51.98 05:21:01 AM 7 47.61 0.00 1.64 0.52 0.08 50.15 05:22:01 AM all 22.68 0.00 1.47 0.47 0.07 75.32 05:22:01 AM 0 15.21 0.00 1.34 0.33 0.07 83.05 05:22:01 AM 1 33.17 0.00 2.19 1.07 0.07 63.51 05:22:01 AM 2 20.45 0.00 1.29 0.52 0.08 77.66 05:22:01 AM 3 25.08 0.00 1.12 0.50 0.07 73.23 05:22:01 AM 4 25.63 0.00 1.42 0.58 0.07 72.29 05:22:01 AM 5 12.65 0.00 0.99 0.12 0.05 86.20 05:22:01 AM 6 21.54 0.00 1.75 0.47 0.07 76.17 05:22:01 AM 7 27.67 0.00 1.67 0.15 0.07 70.44 Average: all 27.73 0.00 1.46 0.47 0.07 70.27 Average: 0 20.23 0.00 1.41 0.43 0.07 77.86 Average: 1 30.46 0.00 1.76 0.60 0.07 67.11 Average: 2 30.78 0.00 1.66 0.41 0.07 67.07 Average: 3 35.04 0.00 1.31 0.30 0.07 63.28 Average: 4 25.47 0.00 1.42 0.39 0.06 72.66 Average: 5 23.17 0.00 1.42 0.60 0.06 74.75 Average: 6 27.79 0.00 1.24 0.41 0.07 70.49 Average: 7 28.93 0.00 1.46 0.59 0.07 68.95