---> uname -a: Linux prd-centos8-docker-4c-4g-34628.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 808 12304 19 2650 14621 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:71:b7:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.249/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe71:b7ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:ac:ab:b1 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) 08/12/2025 _x86_64_ (4 CPU) 00:12:51 LINUX RESTART (4 CPU) 12:13:01 AM tps rtps wtps bread/s bwrtn/s 12:14:01 AM 270.69 31.11 239.58 7424.63 43215.43 12:15:01 AM 231.92 4.45 227.47 642.99 15666.31 12:16:01 AM 26.56 0.02 26.54 0.13 3130.77 Average: 176.38 11.86 164.53 2688.99 20669.59 12:13:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:14:01 AM 13371760 15120372 2769772 17.16 2688 1964092 1106088 6.43 138736 2278944 158800 12:15:01 AM 11138464 13231488 5003068 31.00 2688 2297504 2953988 17.18 206292 4385132 84992 12:16:01 AM 10900240 12996084 5241292 32.47 2688 2300012 3116328 18.13 217032 4609124 1300 Average: 11803488 13782648 4338044 26.88 2688 2187203 2392135 13.92 187353 3757733 81697 12:13:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:14:01 AM eth0 384.47 233.36 1710.40 70.63 0.00 0.00 0.00 0.00 12:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:15:01 AM lo 0.30 0.30 0.69 0.69 0.00 0.00 0.00 0.00 12:15:01 AM eth0 353.25 238.90 3980.34 56.97 0.00 0.00 0.00 0.00 12:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:16:01 AM lo 24.36 24.36 4.98 4.98 0.00 0.00 0.00 0.00 12:16:01 AM eth0 114.45 74.71 44.57 50.92 0.00 0.00 0.00 0.00 12:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.22 8.22 1.89 1.89 0.00 0.00 0.00 0.00 Average: eth0 284.05 182.32 1911.78 59.51 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) 08/12/2025 _x86_64_ (4 CPU) 00:12:51 LINUX RESTART (4 CPU) 12:13:01 AM CPU %user %nice %system %iowait %steal %idle 12:14:01 AM all 27.40 0.00 4.21 2.55 0.08 65.76 12:14:01 AM 0 23.70 0.00 3.09 0.94 0.08 72.19 12:14:01 AM 1 35.24 0.00 4.58 1.04 0.08 59.06 12:14:01 AM 2 17.62 0.00 4.61 5.15 0.08 72.53 12:14:01 AM 3 33.01 0.00 4.55 3.10 0.07 59.27 12:15:01 AM all 45.58 0.00 2.48 1.56 0.13 50.25 12:15:01 AM 0 43.70 0.00 2.14 0.55 0.12 53.49 12:15:01 AM 1 54.42 0.00 2.67 2.34 0.13 40.44 12:15:01 AM 2 44.89 0.00 2.46 1.34 0.13 51.17 12:15:01 AM 3 39.30 0.00 2.63 2.03 0.12 55.92 12:16:01 AM all 18.47 0.00 1.05 0.18 0.06 80.23 12:16:01 AM 0 19.06 0.00 0.70 0.35 0.05 79.83 12:16:01 AM 1 12.83 0.00 1.32 0.28 0.07 85.50 12:16:01 AM 2 21.14 0.00 1.24 0.00 0.07 77.55 12:16:01 AM 3 20.86 0.00 0.95 0.10 0.07 78.02 Average: all 30.48 0.00 2.58 1.43 0.09 65.42 Average: 0 28.82 0.00 1.98 0.61 0.08 68.50 Average: 1 34.17 0.00 2.86 1.22 0.09 61.66 Average: 2 27.89 0.00 2.77 2.16 0.09 67.09 Average: 3 31.05 0.00 2.71 1.74 0.08 64.42