---> uname -a: Linux prd-centos8-docker-4c-4g-81.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: 2800.000 BogoMIPS: 5600.00 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 9.9G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 755 12326 19 2681 14674 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:e8:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86166sec preferred_lft 86166sec inet6 fe80::f816:3eff:fe08:e8d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:62:4a:3e:c4 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) 12/18/2025 _x86_64_ (4 CPU) 09:37:46 LINUX RESTART (4 CPU) 09:38:01 AM tps rtps wtps bread/s bwrtn/s 09:39:01 AM 166.69 21.82 144.87 5567.22 7983.59 09:40:01 AM 249.13 20.33 228.81 4013.60 16853.23 09:41:01 AM 34.16 0.05 34.11 1.07 2009.05 Average: 149.99 14.07 135.93 3194.22 8948.52 09:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:39:01 AM 13305520 15076280 2836012 17.57 2688 1985920 1142680 6.65 140032 2340948 172800 09:40:01 AM 11645764 13853836 4495768 27.85 2688 2412032 2302108 13.39 238108 3843524 48312 09:41:01 AM 12094948 14379104 4046584 25.07 2688 2487308 1724736 10.03 278868 3354592 75040 Average: 12348744 14436407 3792788 23.50 2688 2295087 1723175 10.02 219003 3179688 98717 09:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:39:01 AM eth0 336.76 213.91 1851.06 73.61 0.00 0.00 0.00 0.00 09:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 AM lo 7.45 7.45 0.80 0.80 0.00 0.00 0.00 0.00 09:40:01 AM eth0 405.18 256.90 3998.48 71.11 0.00 0.00 0.00 0.00 09:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 AM lo 21.79 21.79 5.29 5.29 0.00 0.00 0.00 0.00 09:41:01 AM eth0 54.37 41.24 254.59 23.96 0.00 0.00 0.00 0.00 09:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.75 9.75 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 265.44 170.69 2034.69 56.23 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) 12/18/2025 _x86_64_ (4 CPU) 09:37:46 LINUX RESTART (4 CPU) 09:38:01 AM CPU %user %nice %system %iowait %steal %idle 09:39:01 AM all 25.84 0.00 2.84 2.95 0.09 68.28 09:39:01 AM 0 25.63 0.00 2.32 0.67 0.10 71.28 09:39:01 AM 1 22.21 0.00 2.60 4.31 0.08 70.81 09:39:01 AM 2 24.34 0.00 3.89 3.64 0.10 68.03 09:39:01 AM 3 31.18 0.00 2.54 3.18 0.08 63.02 09:40:01 AM all 53.58 0.00 2.56 1.33 0.13 42.41 09:40:01 AM 0 45.86 0.00 2.90 1.44 0.13 49.67 09:40:01 AM 1 53.60 0.00 1.97 1.25 0.12 43.06 09:40:01 AM 2 62.68 0.00 1.64 0.87 0.15 34.66 09:40:01 AM 3 52.15 0.00 3.72 1.76 0.12 42.26 09:41:01 AM all 15.38 0.00 0.85 0.71 0.08 82.97 09:41:01 AM 0 12.99 0.00 0.70 0.22 0.08 86.01 09:41:01 AM 1 18.25 0.00 0.57 0.02 0.08 81.08 09:41:01 AM 2 19.17 0.00 0.40 0.12 0.07 80.25 09:41:01 AM 3 11.13 0.00 1.72 2.49 0.10 84.56 Average: all 31.59 0.00 2.08 1.66 0.10 64.56 Average: 0 28.15 0.00 1.97 0.77 0.11 69.00 Average: 1 31.35 0.00 1.71 1.86 0.09 64.99 Average: 2 35.41 0.00 1.97 1.54 0.11 60.97 Average: 3 31.48 0.00 2.66 2.47 0.10 63.29