---> uname -a: Linux prd-centos8-docker-8c-8g-98.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: 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: 31890 1013 28353 19 2523 30427 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:5d:b7:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe5d:b75c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:31:51:51:6b 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) 05/16/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 133.67 2.03 131.63 328.16 9979.28 05:20:01 AM 181.69 2.42 179.27 641.49 9851.66 05:21:01 AM 103.67 1.58 102.08 392.80 7323.49 Average: 139.70 2.01 137.69 454.85 9046.25 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29465536 31266452 3190176 9.77 2688 2120116 1387104 4.12 148260 2589680 181896 05:20:01 AM 27383592 29336476 5272120 16.14 2688 2265144 3349892 9.94 211260 4573460 71568 05:21:01 AM 29005500 31129368 3650212 11.18 2688 2431708 1469096 4.36 244308 2903772 58472 Average: 28618209 30577432 4037503 12.36 2688 2272323 2068697 6.14 201276 3355637 103979 05:18:02 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 157.74 130.24 1828.95 43.59 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 212.71 186.69 1622.81 37.23 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 177.17 153.07 1553.77 34.45 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 182.68 156.81 1667.62 38.40 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) 05/16/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.20 0.00 0.91 0.72 0.04 90.13 05:19:01 AM 0 10.54 0.00 0.98 0.65 0.05 87.78 05:19:01 AM 1 13.16 0.00 1.32 0.70 0.07 84.76 05:19:01 AM 2 13.08 0.00 1.27 0.82 0.07 84.77 05:19:01 AM 3 12.53 0.00 1.65 1.17 0.05 84.60 05:19:01 AM 4 3.39 0.00 0.46 0.70 0.02 95.43 05:19:01 AM 5 7.97 0.00 0.95 0.73 0.03 90.32 05:19:01 AM 6 3.87 0.00 0.37 0.66 0.03 95.06 05:19:01 AM 7 1.05 0.00 0.27 0.32 0.03 98.32 05:20:01 AM all 34.82 0.00 1.54 1.33 0.09 62.22 05:20:01 AM 0 23.07 0.00 1.64 1.04 0.10 74.16 05:20:01 AM 1 44.43 0.00 1.65 2.47 0.08 51.36 05:20:01 AM 2 44.66 0.00 1.44 0.52 0.10 53.28 05:20:01 AM 3 35.59 0.00 1.50 0.87 0.08 61.95 05:20:01 AM 4 49.93 0.00 1.77 1.05 0.10 47.14 05:20:01 AM 5 32.20 0.00 1.37 1.37 0.07 64.99 05:20:01 AM 6 22.15 0.00 1.24 1.47 0.07 75.08 05:20:01 AM 7 26.53 0.00 1.72 1.87 0.08 69.79 05:21:01 AM all 37.61 0.00 1.62 0.35 0.08 60.34 05:21:01 AM 0 41.70 0.00 1.43 0.02 0.08 56.76 05:21:01 AM 1 33.41 0.00 1.37 0.95 0.08 64.19 05:21:01 AM 2 39.27 0.00 1.42 0.60 0.08 58.62 05:21:01 AM 3 36.11 0.00 1.45 0.30 0.10 62.04 05:21:01 AM 4 37.75 0.00 1.99 0.23 0.07 59.96 05:21:01 AM 5 42.28 0.00 1.77 0.18 0.10 55.67 05:21:01 AM 6 42.81 0.00 2.07 0.32 0.08 54.72 05:21:01 AM 7 27.56 0.00 1.44 0.17 0.07 70.77 Average: all 26.98 0.00 1.36 0.80 0.07 70.79 Average: 0 25.19 0.00 1.35 0.57 0.08 72.81 Average: 1 30.42 0.00 1.45 1.38 0.08 66.67 Average: 2 32.44 0.00 1.38 0.64 0.08 65.45 Average: 3 28.16 0.00 1.53 0.78 0.08 69.45 Average: 4 30.50 0.00 1.41 0.66 0.06 67.36 Average: 5 27.58 0.00 1.37 0.76 0.07 70.22 Average: 6 23.05 0.00 1.23 0.82 0.06 74.84 Average: 7 18.47 0.00 1.15 0.79 0.06 79.52