---> uname -a: Linux prd-centos8-docker-4c-4g-2394.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 805 12199 19 2758 14623 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:1e:67:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.240/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe1e:673c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3f:d2:67:58 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) 13:22:39 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 258.72 31.52 227.20 5824.29 7837.28 01:25:01 PM 261.67 6.37 255.31 1081.82 18644.19 01:26:01 PM 29.79 0.52 29.27 17.19 771.28 Average: 183.39 12.80 170.59 2308.03 9083.65 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12963756 14894156 3177776 19.69 2688 2140808 1479384 8.61 151120 2655740 232040 01:25:01 PM 11501512 13733116 4640020 28.75 2688 2434904 2403060 13.98 248824 3972968 9368 01:26:01 PM 12474740 14946276 3666792 22.72 2688 2673488 1211404 7.05 344260 2908924 246332 Average: 12313336 14524516 3828196 23.72 2688 2416400 1697949 9.88 248068 3179211 162580 01:23:01 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 359.10 224.69 2032.73 79.38 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 11.51 11.51 3.41 3.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 378.75 282.75 4106.17 55.29 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 16.91 16.91 2.63 2.63 0.00 0.00 0.00 0.00 01:26:01 PM eth0 48.75 43.92 267.95 19.61 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 9.47 9.47 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 262.20 183.78 2135.50 51.43 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) 13:22:39 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.37 0.00 2.94 1.32 0.09 69.28 01:24:01 PM 0 25.32 0.00 3.62 0.77 0.10 70.19 01:24:01 PM 1 26.96 0.00 2.57 1.45 0.10 68.92 01:24:01 PM 2 23.73 0.00 2.68 0.65 0.08 72.86 01:24:01 PM 3 29.48 0.00 2.89 2.39 0.07 65.16 01:25:01 PM all 55.58 0.00 2.48 1.33 0.12 40.49 01:25:01 PM 0 44.30 0.00 3.36 2.23 0.12 49.99 01:25:01 PM 1 63.58 0.00 1.22 0.75 0.12 34.33 01:25:01 PM 2 51.22 0.00 3.55 1.71 0.13 43.38 01:25:01 PM 3 63.20 0.00 1.79 0.64 0.10 34.28 01:26:01 PM all 13.42 0.00 0.98 0.11 0.06 85.42 01:26:01 PM 0 15.82 0.00 1.18 0.12 0.07 82.82 01:26:01 PM 1 16.75 0.00 0.89 0.13 0.05 82.18 01:26:01 PM 2 10.71 0.00 1.24 0.12 0.07 87.87 01:26:01 PM 3 10.41 0.00 0.62 0.08 0.07 88.82 Average: all 31.78 0.00 2.13 0.92 0.09 65.07 Average: 0 28.46 0.00 2.72 1.04 0.09 67.69 Average: 1 35.77 0.00 1.56 0.78 0.09 61.80 Average: 2 28.54 0.00 2.49 0.83 0.09 68.05 Average: 3 34.36 0.00 1.77 1.04 0.08 62.76