---> uname -a: Linux prd-centos8-docker-4c-4g-799.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 822 12121 19 2818 14605 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:9d:96:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.92/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe9d:964e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:78:f7:ba:de 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) 04/13/2026 _x86_64_ (4 CPU) 01:26:43 LINUX RESTART (4 CPU) 01:27:01 AM tps rtps wtps bread/s bwrtn/s 01:28:01 AM 222.36 16.79 205.56 2918.63 7549.05 01:29:01 AM 268.56 19.48 249.08 3920.28 16163.94 01:30:01 AM 38.27 0.60 37.67 17.86 5133.36 Average: 176.39 12.29 164.10 2285.50 9615.08 01:27:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:28:01 AM 13192308 15091436 2949224 18.27 2688 2110068 1133984 6.60 141036 2441644 286444 01:29:01 AM 11552836 13843520 4588696 28.43 2688 2494012 2277788 13.25 243224 3929996 136596 01:30:01 AM 11983268 14350188 4158264 25.76 2688 2569488 1728080 10.05 284748 3458024 74264 Average: 12242804 14428381 3898728 24.15 2688 2391189 1713284 9.97 223003 3276555 165768 01:27:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 459.16 243.72 2407.13 76.61 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 4.10 4.10 0.42 0.42 0.00 0.00 0.00 0.00 01:29:01 AM eth0 386.44 285.85 4156.89 55.50 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 24.93 24.93 5.66 5.66 0.00 0.00 0.00 0.00 01:30:01 AM eth0 48.87 38.99 239.06 22.51 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.68 9.68 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 298.15 189.51 2267.59 51.54 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) 04/13/2026 _x86_64_ (4 CPU) 01:26:43 LINUX RESTART (4 CPU) 01:27:01 AM CPU %user %nice %system %iowait %steal %idle 01:28:01 AM all 23.57 0.00 2.88 0.88 0.08 72.59 01:28:01 AM 0 25.60 0.00 2.91 0.32 0.08 71.09 01:28:01 AM 1 21.97 0.00 3.25 1.32 0.07 73.39 01:28:01 AM 2 31.19 0.00 3.05 1.51 0.08 64.18 01:28:01 AM 3 15.50 0.00 2.31 0.39 0.07 81.73 01:29:01 AM all 55.94 0.00 2.69 1.44 0.10 39.82 01:29:01 AM 0 60.08 0.00 2.23 1.37 0.10 36.22 01:29:01 AM 1 66.72 0.00 2.14 1.19 0.10 29.86 01:29:01 AM 2 40.51 0.00 3.49 1.79 0.12 54.09 01:29:01 AM 3 56.41 0.00 2.93 1.41 0.10 39.16 01:30:01 AM all 16.23 0.00 1.06 0.33 0.07 82.31 01:30:01 AM 0 18.29 0.00 0.74 0.12 0.08 80.78 01:30:01 AM 1 17.91 0.00 1.02 1.00 0.07 80.01 01:30:01 AM 2 13.29 0.00 1.34 0.07 0.05 85.25 01:30:01 AM 3 15.45 0.00 1.15 0.13 0.08 83.18 Average: all 31.91 0.00 2.21 0.88 0.08 64.91 Average: 0 34.66 0.00 1.96 0.60 0.09 62.69 Average: 1 35.55 0.00 2.13 1.17 0.08 61.07 Average: 2 28.31 0.00 2.62 1.12 0.08 67.86 Average: 3 29.12 0.00 2.13 0.64 0.08 68.02