---> uname -a: Linux prd-centos8-docker-4c-4g-2260.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: 2799.996 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 813 12192 19 2757 14615 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:34:36:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe34:36ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:65:d6:10 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) 03/16/2026 _x86_64_ (4 CPU) 01:27:26 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 197.15 14.35 182.80 3045.09 10331.13 01:30:01 AM 168.21 6.21 162.00 1055.91 13228.21 01:31:01 AM 32.68 0.87 31.81 74.65 737.66 Average: 132.68 7.14 125.54 1391.87 8099.28 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 12866952 14827128 3274580 20.29 2688 2168080 1387068 8.07 181580 2701088 121360 01:30:01 AM 11544280 13773664 4597252 28.48 2688 2432716 2352628 13.69 247956 3931692 2376 01:31:01 AM 12522828 15000568 3618704 22.42 2688 2679000 1166692 6.79 513060 2691268 262176 Average: 12311353 14533787 3830179 23.73 2688 2426599 1635463 9.51 314199 3108016 128637 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 144.19 115.18 1570.70 25.91 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 12.53 12.53 3.50 3.50 0.00 0.00 0.00 0.00 01:30:01 AM eth0 351.00 228.16 3759.98 71.75 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 01:31:01 AM lo 15.85 15.85 2.53 2.53 0.00 0.00 0.00 0.00 01:31:01 AM eth0 53.07 43.61 273.65 21.52 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.46 9.46 2.01 2.01 0.00 0.00 0.00 0.00 Average: eth0 182.76 128.99 1868.22 39.73 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) 03/16/2026 _x86_64_ (4 CPU) 01:27:26 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 25.77 0.00 2.30 1.31 0.09 70.53 01:29:01 AM 0 18.91 0.00 1.81 0.72 0.09 78.48 01:29:01 AM 1 37.60 0.00 3.01 1.39 0.08 57.91 01:29:01 AM 2 19.54 0.00 1.67 1.09 0.10 77.60 01:29:01 AM 3 26.94 0.00 2.69 2.06 0.09 68.23 01:30:01 AM all 48.87 0.00 1.76 0.89 0.09 48.39 01:30:01 AM 0 42.96 0.00 1.86 0.99 0.10 54.10 01:30:01 AM 1 41.19 0.00 2.25 0.68 0.10 55.77 01:30:01 AM 2 54.39 0.00 1.89 1.20 0.07 42.45 01:30:01 AM 3 56.95 0.00 1.04 0.70 0.08 41.23 01:31:01 AM all 15.82 0.00 1.25 0.12 0.07 82.74 01:31:01 AM 0 20.83 0.00 1.24 0.07 0.07 77.80 01:31:01 AM 1 15.84 0.00 2.49 0.29 0.07 81.31 01:31:01 AM 2 15.87 0.00 0.53 0.03 0.07 83.49 01:31:01 AM 3 10.71 0.00 0.76 0.08 0.08 88.37 Average: all 30.20 0.00 1.77 0.77 0.08 67.18 Average: 0 27.62 0.00 1.63 0.59 0.08 70.08 Average: 1 31.59 0.00 2.58 0.79 0.08 64.96 Average: 2 30.00 0.00 1.36 0.77 0.08 67.79 Average: 3 31.59 0.00 1.49 0.94 0.08 65.89