---> uname -a: Linux prd-centos8-docker-4c-4g-1028.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 822 12167 19 2773 14605 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:5f:f0:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe5f:f014/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ed:3b:74:1d 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) 03/02/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 178.01 15.67 162.34 3316.10 10151.24 01:25:01 PM 196.65 6.17 190.48 1055.02 14549.29 01:26:01 PM 29.41 1.27 28.15 53.32 594.45 Average: 134.21 7.61 126.60 1454.24 8412.44 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12927692 14900032 3213840 19.91 2688 2181256 1488560 8.66 180644 2650344 146852 01:25:01 PM 11535668 13783476 4605864 28.53 2688 2451072 2353384 13.69 249044 3939128 2388 01:26:01 PM 12512672 15007984 3628860 22.48 2688 2696476 1152008 6.70 514952 2699488 262048 Average: 12325344 14563831 3816188 23.64 2688 2442935 1664651 9.68 314880 3096320 137096 01:23:03 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 141.43 112.67 1710.42 27.85 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 13.10 13.10 3.55 3.55 0.00 0.00 0.00 0.00 01:25:01 PM eth0 356.46 240.49 3766.86 45.50 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 15.98 15.98 2.53 2.53 0.00 0.00 0.00 0.00 01:26:01 PM eth0 97.18 96.13 280.65 937.32 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 9.80 9.80 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 198.99 150.18 1921.65 340.34 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) 03/02/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.68 0.00 2.32 1.63 0.11 70.26 01:24:01 PM 0 39.59 0.00 2.90 1.42 0.12 55.98 01:24:01 PM 1 19.61 0.00 1.57 0.66 0.12 78.04 01:24:01 PM 2 17.72 0.00 2.34 3.05 0.10 76.78 01:24:01 PM 3 25.78 0.00 2.47 1.40 0.09 70.26 01:25:01 PM all 50.47 0.00 2.13 1.57 0.10 45.73 01:25:01 PM 0 40.14 0.00 2.81 2.66 0.10 54.30 01:25:01 PM 1 59.47 0.00 1.08 0.87 0.10 38.47 01:25:01 PM 2 59.92 0.00 1.52 1.27 0.08 37.21 01:25:01 PM 3 42.33 0.00 3.11 1.51 0.10 52.95 01:26:01 PM all 15.95 0.00 1.42 0.12 0.09 82.42 01:26:01 PM 0 17.71 0.00 1.74 0.07 0.08 80.40 01:26:01 PM 1 17.26 0.00 1.25 0.05 0.08 81.36 01:26:01 PM 2 18.14 0.00 1.54 0.30 0.08 79.94 01:26:01 PM 3 10.70 0.00 1.15 0.07 0.10 87.98 Average: all 30.76 0.00 1.95 1.10 0.10 66.09 Average: 0 32.40 0.00 2.48 1.38 0.10 63.65 Average: 1 32.26 0.00 1.30 0.52 0.10 65.81 Average: 2 32.11 0.00 1.79 1.52 0.09 64.49 Average: 3 26.27 0.00 2.24 0.99 0.10 70.41