---> uname -a: Linux prd-centos8-docker-4c-4g-72.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 762 12230 19 2770 14666 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:37:de:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe37:dec4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b4:6f:2b:2f 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) 02/26/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 237.68 21.01 216.67 4073.20 7467.35 01:25:01 PM 255.30 6.36 248.93 1081.28 17990.99 01:26:01 PM 27.70 0.05 27.65 1.07 1606.98 Average: 173.22 9.07 164.14 1705.39 9031.87 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13060636 15001976 3080896 19.09 2688 2151936 1434484 8.34 151588 2560296 244304 01:25:01 PM 11572348 13817132 4569184 28.31 2688 2448136 2331988 13.57 243596 3910288 40476 01:26:01 PM 12006740 14327292 4134792 25.62 2688 2523032 1776220 10.33 284512 3436308 74668 Average: 12213241 14382133 3928291 24.34 2688 2374368 1847564 10.75 226565 3302297 119816 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 117.66 85.06 1377.95 36.82 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 7.43 7.43 0.80 0.80 0.00 0.00 0.00 0.00 01:25:01 PM eth0 358.21 265.51 4134.80 51.84 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 21.61 21.61 5.29 5.29 0.00 0.00 0.00 0.00 01:26:01 PM eth0 59.24 45.34 246.53 23.55 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.73 9.73 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 178.73 132.25 1923.13 37.41 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) 02/26/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.63 0.00 2.52 1.43 0.09 73.33 01:24:01 PM 0 47.98 0.00 4.55 1.52 0.12 45.83 01:24:01 PM 1 9.60 0.00 1.24 0.66 0.08 88.41 01:24:01 PM 2 15.57 0.00 2.56 2.78 0.09 79.01 01:24:01 PM 3 17.40 0.00 1.72 0.75 0.09 80.04 01:25:01 PM all 55.21 0.00 2.78 1.96 0.16 39.87 01:25:01 PM 0 57.56 0.00 2.54 2.74 0.17 36.99 01:25:01 PM 1 57.01 0.00 3.05 1.24 0.17 38.54 01:25:01 PM 2 44.68 0.00 3.59 2.31 0.17 49.25 01:25:01 PM 3 61.60 0.00 1.96 1.56 0.15 34.73 01:26:01 PM all 16.08 0.00 0.92 0.18 0.07 82.76 01:26:01 PM 0 15.06 0.00 1.09 0.25 0.07 83.54 01:26:01 PM 1 15.45 0.00 1.17 0.13 0.08 83.16 01:26:01 PM 2 15.20 0.00 0.80 0.25 0.07 83.68 01:26:01 PM 3 18.61 0.00 0.62 0.07 0.07 80.64 Average: all 31.35 0.00 2.07 1.19 0.11 65.29 Average: 0 40.13 0.00 2.71 1.50 0.12 55.53 Average: 1 27.44 0.00 1.82 0.68 0.11 69.95 Average: 2 25.19 0.00 2.31 1.77 0.11 70.62 Average: 3 32.62 0.00 1.43 0.79 0.10 65.06