---> uname -a: Linux prd-centos8-docker-8c-8g-6577.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1054 26428 19 4406 30367 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:b4:62:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.239/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:feb4:6232/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:3f:43:cb 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 inet6 fe80::42:1cff:fe3f:43cb/64 scope link 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) 04/28/2026 _x86_64_ (8 CPU) 07:31:01 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 286.62 16.74 269.88 3303.03 14417.88 07:34:01 AM 165.41 16.43 148.98 2087.70 40045.56 07:35:01 AM 211.69 4.88 206.81 4625.95 2598.67 Average: 221.22 12.69 208.54 3338.62 19025.63 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28737836 30956092 3917868 12.00 2688 2531156 1647084 4.89 203052 3232524 308492 07:34:01 AM 26376056 29513824 6279648 19.23 2688 3432860 2963500 8.79 452860 5269260 268 07:35:01 AM 27096596 31127124 5559108 17.02 2688 4319276 1471880 4.37 758708 4230564 762544 Average: 27403496 30532347 5252208 16.08 2688 3427764 2027488 6.02 471540 4244116 357101 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 518.44 377.07 5972.92 68.51 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1271.13 338.46 7343.66 34.29 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 07:35:01 AM lo 13.11 13.11 1.36 1.36 0.00 0.00 0.00 0.00 07:35:01 AM eth0 166.43 142.55 1723.89 41.22 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.80 5.95 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.37 4.37 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 652.15 286.03 5013.95 48.00 0.00 0.00 0.00 0.00 Average: docker0 1.60 2.01 0.22 0.23 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) 04/28/2026 _x86_64_ (8 CPU) 07:31:01 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 14.20 0.00 1.56 0.81 0.08 83.35 07:33:01 AM 0 13.70 0.00 0.97 0.20 0.08 85.05 07:33:01 AM 1 15.15 0.00 1.84 1.44 0.10 81.47 07:33:01 AM 2 8.84 0.00 1.41 0.85 0.07 88.83 07:33:01 AM 3 20.92 0.00 1.59 0.70 0.10 76.69 07:33:01 AM 4 15.78 0.00 2.14 0.64 0.07 81.38 07:33:01 AM 5 16.92 0.00 1.10 0.45 0.07 81.46 07:33:01 AM 6 11.59 0.00 1.83 0.95 0.07 85.57 07:33:01 AM 7 10.71 0.00 1.57 1.27 0.08 86.37 07:34:01 AM all 32.97 0.25 2.52 0.77 0.11 63.39 07:34:01 AM 0 49.99 1.94 3.60 1.25 0.12 43.11 07:34:01 AM 1 34.67 0.00 2.23 0.27 0.12 62.71 07:34:01 AM 2 20.60 0.00 2.27 1.16 0.10 75.87 07:34:01 AM 3 14.20 0.00 2.67 1.87 0.08 81.18 07:34:01 AM 4 34.40 0.02 2.54 0.37 0.12 62.55 07:34:01 AM 5 45.41 0.02 1.90 0.05 0.10 52.53 07:34:01 AM 6 26.60 0.05 2.33 0.13 0.08 70.80 07:34:01 AM 7 37.91 0.00 2.59 1.04 0.12 58.34 07:35:01 AM all 22.62 0.07 2.52 0.94 0.10 73.75 07:35:01 AM 0 18.97 0.12 2.21 0.59 0.10 78.02 07:35:01 AM 1 21.74 0.00 2.61 0.85 0.10 74.69 07:35:01 AM 2 27.11 0.02 2.80 0.37 0.12 69.59 07:35:01 AM 3 18.94 0.02 2.78 0.85 0.10 77.30 07:35:01 AM 4 26.23 0.05 2.16 1.14 0.10 70.32 07:35:01 AM 5 20.01 0.37 3.32 2.70 0.08 73.51 07:35:01 AM 6 21.18 0.00 1.78 0.18 0.08 76.78 07:35:01 AM 7 26.76 0.00 2.52 0.86 0.08 69.79 Average: all 23.25 0.11 2.20 0.84 0.09 73.51 Average: 0 27.50 0.68 2.26 0.68 0.10 68.78 Average: 1 23.84 0.00 2.23 0.85 0.11 72.97 Average: 2 18.84 0.01 2.16 0.79 0.10 78.10 Average: 3 18.03 0.01 2.35 1.14 0.09 78.39 Average: 4 25.46 0.02 2.28 0.72 0.10 71.43 Average: 5 27.43 0.13 2.11 1.07 0.08 69.19 Average: 6 19.78 0.02 1.98 0.42 0.08 77.72 Average: 7 25.11 0.00 2.22 1.06 0.09 71.52