---> uname -a: Linux prd-centos8-docker-4c-4g-704.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 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 817 12263 19 2682 14611 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:f2:f2:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.215/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86171sec preferred_lft 86171sec inet6 fe80::f816:3eff:fef2:f27f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fc:26:cf:b7 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) 12/22/2025 _x86_64_ (4 CPU) 06:18:19 LINUX RESTART (4 CPU) 06:19:01 AM tps rtps wtps bread/s bwrtn/s 06:20:01 AM 247.75 15.24 232.51 2954.35 11469.46 06:21:01 AM 80.17 5.26 74.91 1061.38 11329.91 06:22:01 AM 40.32 0.93 39.39 75.84 2040.85 Average: 122.75 7.15 115.60 1363.86 8280.07 06:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:01 AM 12517568 14681732 3623964 22.45 2688 2369568 1456036 8.47 163652 3058928 297988 06:21:01 AM 11505200 13716004 4636332 28.72 2688 2415032 2364652 13.76 242892 3979608 1084 06:22:01 AM 12568164 14981188 3573368 22.14 2688 2614848 1184956 6.89 517184 2644608 147136 Average: 12196977 14459641 3944555 24.44 2688 2466483 1668548 9.71 307909 3227715 148736 06:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 AM eth0 366.28 277.97 4735.99 41.37 0.00 0.00 0.00 0.00 06:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:21:01 AM lo 23.59 23.59 4.90 4.90 0.00 0.00 0.00 0.00 06:21:01 AM eth0 61.43 39.55 155.26 27.69 0.00 0.00 0.00 0.00 06:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:22:01 AM lo 5.35 5.35 1.18 1.18 0.00 0.00 0.00 0.00 06:22:01 AM eth0 59.33 52.65 276.08 19.07 0.00 0.00 0.00 0.00 06:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.65 9.65 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 162.35 123.39 1722.44 29.38 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) 12/22/2025 _x86_64_ (4 CPU) 06:18:19 LINUX RESTART (4 CPU) 06:19:01 AM CPU %user %nice %system %iowait %steal %idle 06:20:01 AM all 26.38 0.00 2.48 1.31 0.09 69.74 06:20:01 AM 0 40.46 0.00 3.15 0.93 0.10 55.35 06:20:01 AM 1 27.43 0.00 2.69 1.15 0.10 68.63 06:20:01 AM 2 21.13 0.00 1.67 1.07 0.07 76.06 06:20:01 AM 3 16.46 0.00 2.39 2.09 0.08 78.97 06:21:01 AM all 45.89 0.00 1.22 0.59 0.08 52.21 06:21:01 AM 0 42.97 0.00 1.99 0.62 0.10 54.33 06:21:01 AM 1 33.04 0.00 1.29 1.29 0.08 64.29 06:21:01 AM 2 56.13 0.00 0.60 0.07 0.08 43.12 06:21:01 AM 3 51.38 0.00 1.00 0.40 0.07 47.15 06:22:01 AM all 19.15 0.00 1.66 0.18 0.08 78.93 06:22:01 AM 0 14.67 0.00 1.65 0.33 0.08 83.26 06:22:01 AM 1 33.68 0.00 2.50 0.13 0.10 63.59 06:22:01 AM 2 18.73 0.00 1.25 0.05 0.08 79.89 06:22:01 AM 3 9.52 0.00 1.22 0.18 0.07 89.01 Average: all 30.48 0.00 1.79 0.69 0.08 66.96 Average: 0 32.70 0.00 2.26 0.63 0.09 64.31 Average: 1 31.38 0.00 2.16 0.86 0.09 65.50 Average: 2 32.02 0.00 1.18 0.40 0.08 66.33 Average: 3 25.81 0.00 1.54 0.89 0.07 71.69