---> uname -a: Linux prd-centos8-docker-4c-4g-508.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 791 12153 19 2818 14637 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:08:f6:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.162/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe08:f657/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c4:72:ae: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) 03/30/2026 _x86_64_ (4 CPU) 01:30:36 LINUX RESTART (4 CPU) 01:31:02 AM tps rtps wtps bread/s bwrtn/s 01:32:01 AM 250.39 22.84 227.55 4149.10 7120.96 01:33:01 AM 258.31 6.35 251.96 1081.69 20386.97 01:34:01 AM 29.56 0.55 29.01 21.73 843.54 Average: 179.02 9.84 169.18 1737.48 9462.89 01:31:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:32:01 AM 12935676 14928720 3205856 19.86 2688 2203224 1381436 8.04 152600 2682636 292668 01:33:01 AM 11593880 13885628 4547652 28.17 2688 2495024 2271364 13.21 250164 3881560 12320 01:34:01 AM 12522248 15054292 3619284 22.42 2688 2733888 1124356 6.54 512516 2693520 246432 Average: 12350601 14622880 3790931 23.49 2688 2477379 1592385 9.26 305093 3085905 183807 01:31:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 AM eth0 219.60 143.27 1984.18 49.95 0.00 0.00 0.00 0.00 01:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:33:01 AM lo 11.73 11.73 3.42 3.42 0.00 0.00 0.00 0.00 01:33:01 AM eth0 373.84 268.02 4070.85 52.97 0.00 0.00 0.00 0.00 01:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:34:01 AM lo 17.53 17.53 2.69 2.69 0.00 0.00 0.00 0.00 01:34:01 AM eth0 59.05 48.60 276.40 21.14 0.00 0.00 0.00 0.00 01:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.81 9.81 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 217.48 153.35 2111.07 41.30 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) 03/30/2026 _x86_64_ (4 CPU) 01:30:36 LINUX RESTART (4 CPU) 01:31:02 AM CPU %user %nice %system %iowait %steal %idle 01:32:01 AM all 23.87 0.00 2.55 1.13 0.08 72.37 01:32:01 AM 0 19.62 0.00 1.90 0.36 0.07 78.06 01:32:01 AM 1 38.71 0.00 3.56 1.04 0.08 56.60 01:32:01 AM 2 19.61 0.00 2.71 1.67 0.09 75.94 01:32:01 AM 3 17.52 0.00 2.04 1.46 0.07 78.90 01:33:01 AM all 55.60 0.00 2.40 1.22 0.10 40.68 01:33:01 AM 0 63.19 0.00 1.52 1.08 0.10 34.11 01:33:01 AM 1 48.43 0.00 2.64 1.67 0.10 47.15 01:33:01 AM 2 50.83 0.00 2.73 0.84 0.10 45.51 01:33:01 AM 3 59.94 0.00 2.73 1.27 0.10 35.97 01:34:01 AM all 12.46 0.00 1.11 0.17 0.07 86.19 01:34:01 AM 0 16.26 0.00 0.92 0.00 0.07 82.75 01:34:01 AM 1 11.05 0.00 1.24 0.30 0.08 87.33 01:34:01 AM 2 12.38 0.00 0.89 0.03 0.07 86.64 01:34:01 AM 3 10.13 0.00 1.42 0.35 0.07 88.03 Average: all 30.67 0.00 2.02 0.84 0.08 66.38 Average: 0 33.10 0.00 1.44 0.48 0.08 64.89 Average: 1 32.68 0.00 2.48 1.00 0.09 63.75 Average: 2 27.64 0.00 2.10 0.84 0.08 69.33 Average: 3 29.26 0.00 2.06 1.03 0.08 67.57