---> uname -a: Linux prd-centos8-docker-4c-4g-4746.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 766 12231 19 2765 14660 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:f4:ac:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.122/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fef4:ac50/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:81:e6:8f 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) 02/01/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 204.95 15.16 189.78 3256.25 10628.69 01:25:01 PM 171.65 6.17 165.49 1055.02 13431.99 01:26:01 PM 36.89 1.27 35.63 53.32 869.51 Average: 137.46 7.49 129.97 1444.91 8297.24 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12886888 14857372 3254636 20.16 2688 2178192 1341288 7.80 182488 2676996 122220 01:25:01 PM 11574964 13814836 4566560 28.29 2688 2442876 2302904 13.40 249124 3897264 1936 01:26:01 PM 12460448 14953404 3681076 22.81 2688 2694240 1183452 6.88 519180 2745692 269260 Average: 12307433 14541871 3834091 23.75 2688 2438436 1609215 9.36 316931 3106651 131139 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 146.75 121.26 1581.00 30.59 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 20.55 20.55 4.42 4.42 0.00 0.00 0.00 0.00 01:25:01 PM eth0 300.47 210.03 3709.25 45.39 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 7.83 7.83 1.61 1.61 0.00 0.00 0.00 0.00 01:26:01 PM eth0 61.54 67.72 272.25 925.45 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 9.51 9.51 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 169.71 133.07 1855.68 335.49 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) 02/01/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.18 0.00 2.57 1.20 0.10 68.95 01:24:01 PM 0 16.41 0.00 1.68 1.19 0.10 80.62 01:24:01 PM 1 36.52 0.00 4.15 2.20 0.10 57.02 01:24:01 PM 2 33.29 0.00 2.57 0.80 0.09 63.25 01:24:01 PM 3 22.52 0.00 1.89 0.60 0.10 74.89 01:25:01 PM all 50.38 0.00 1.84 1.04 0.09 46.65 01:25:01 PM 0 57.51 0.00 1.34 0.53 0.08 40.53 01:25:01 PM 1 49.32 0.00 1.47 0.97 0.08 48.15 01:25:01 PM 2 47.39 0.00 2.24 1.59 0.10 48.68 01:25:01 PM 3 47.30 0.00 2.31 1.05 0.08 49.26 01:26:01 PM all 15.59 0.00 1.28 0.13 0.07 82.92 01:26:01 PM 0 13.41 0.00 1.10 0.08 0.07 85.34 01:26:01 PM 1 15.32 0.00 1.40 0.08 0.07 83.13 01:26:01 PM 2 17.93 0.00 1.07 0.08 0.07 80.85 01:26:01 PM 3 15.71 0.00 1.55 0.28 0.07 82.38 Average: all 31.07 0.00 1.89 0.79 0.08 66.17 Average: 0 29.19 0.00 1.37 0.60 0.08 68.76 Average: 1 33.70 0.00 2.33 1.08 0.08 62.81 Average: 2 32.86 0.00 1.96 0.82 0.08 64.28 Average: 3 28.53 0.00 1.92 0.64 0.08 68.82