---> uname -a: Linux prd-centos8-docker-8c-8g-1212.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2800.000 BogoMIPS: 5600.00 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: 31890 1012 28355 19 2522 30429 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:2e:5b:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.13/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe2e:5b2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:f0:3d:fb 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/19/2026 _x86_64_ (8 CPU) 05:21:26 LINUX RESTART (8 CPU) 05:22:01 AM tps rtps wtps bread/s bwrtn/s 05:23:01 AM 120.03 1.73 118.30 317.68 8820.91 05:24:01 AM 176.81 2.37 174.44 630.32 9828.32 05:25:01 AM 101.35 1.63 99.72 393.87 7059.25 Average: 132.73 1.91 130.82 447.30 8569.48 05:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:23:01 AM 29462656 31262052 3193056 9.78 2688 2118704 1353504 4.02 147864 2594664 180860 05:24:01 AM 27489864 29441544 5165848 15.82 2688 2264060 3427496 10.17 210472 4469332 64812 05:25:01 AM 29026292 31137180 3629420 11.11 2688 2418864 1457784 4.33 242980 2887604 48136 Average: 28659604 30613592 3996108 12.24 2688 2267209 2079595 6.17 200439 3317200 97936 05:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 140.83 109.68 1560.77 35.18 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:24:01 AM eth0 204.75 193.27 1635.73 41.25 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 174.06 149.88 1555.93 36.39 0.00 0.00 0.00 0.00 05:25:01 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 173.21 150.95 1584.14 37.60 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/19/2026 _x86_64_ (8 CPU) 05:21:26 LINUX RESTART (8 CPU) 05:22:01 AM CPU %user %nice %system %iowait %steal %idle 05:23:01 AM all 7.34 0.00 0.84 1.06 0.03 90.72 05:23:01 AM 0 2.75 0.00 0.47 1.20 0.02 95.56 05:23:01 AM 1 2.36 0.00 0.65 1.85 0.05 95.09 05:23:01 AM 2 15.34 0.00 1.37 1.90 0.03 81.35 05:23:01 AM 3 9.10 0.00 1.15 0.37 0.03 89.35 05:23:01 AM 4 15.18 0.00 1.58 1.07 0.03 82.14 05:23:01 AM 5 4.55 0.00 0.53 0.25 0.02 94.64 05:23:01 AM 6 8.03 0.00 0.67 0.72 0.03 90.55 05:23:01 AM 7 1.41 0.00 0.28 1.11 0.05 97.15 05:24:01 AM all 35.10 0.00 1.51 0.77 0.10 62.53 05:24:01 AM 0 30.76 0.00 1.44 0.45 0.08 67.27 05:24:01 AM 1 40.46 0.00 1.98 0.72 0.12 56.72 05:24:01 AM 2 33.14 0.00 1.69 0.82 0.10 64.25 05:24:01 AM 3 40.74 0.00 2.17 1.14 0.12 55.84 05:24:01 AM 4 44.87 0.00 1.84 1.55 0.10 51.64 05:24:01 AM 5 40.53 0.00 1.07 0.27 0.10 58.03 05:24:01 AM 6 29.14 0.00 1.02 1.00 0.08 68.76 05:24:01 AM 7 21.18 0.00 0.84 0.17 0.08 77.74 05:25:01 AM all 36.83 0.00 1.61 0.34 0.08 61.13 05:25:01 AM 0 43.63 0.00 1.55 0.18 0.08 54.55 05:25:01 AM 1 45.41 0.00 1.89 0.50 0.08 52.12 05:25:01 AM 2 27.52 0.00 1.62 0.08 0.08 70.69 05:25:01 AM 3 40.10 0.00 1.54 0.15 0.10 58.11 05:25:01 AM 4 46.72 0.00 2.16 0.40 0.08 50.64 05:25:01 AM 5 34.60 0.00 1.54 0.64 0.08 63.14 05:25:01 AM 6 30.42 0.00 1.60 0.37 0.08 67.52 05:25:01 AM 7 26.23 0.00 0.99 0.43 0.07 72.28 Average: all 26.42 0.00 1.32 0.72 0.07 71.47 Average: 0 25.71 0.00 1.15 0.61 0.06 72.46 Average: 1 29.40 0.00 1.51 1.03 0.08 67.99 Average: 2 25.33 0.00 1.56 0.94 0.07 72.11 Average: 3 29.97 0.00 1.62 0.55 0.08 67.78 Average: 4 35.57 0.00 1.86 1.01 0.07 61.49 Average: 5 26.55 0.00 1.05 0.38 0.07 71.95 Average: 6 22.52 0.00 1.10 0.70 0.07 75.62 Average: 7 16.28 0.00 0.70 0.57 0.07 82.38