---> uname -a: Linux prd-centos8-docker-4c-4g-4521.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 825 12174 19 2763 14602 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:38:49:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.195/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe38:49f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:41:e2:cd:73 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) 01/10/2026 _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 180.36 15.33 165.03 3259.91 9456.44 01:25:02 PM 193.65 6.16 187.49 1054.85 14578.87 01:26:01 PM 24.67 1.29 23.39 54.23 427.83 Average: 133.24 7.59 125.66 1454.15 8190.90 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13001632 14964044 3139900 19.45 2688 2170628 1285556 7.48 181512 2572252 152624 01:25:02 PM 11348748 13585888 4792784 29.69 2688 2439812 2538516 14.77 249936 4121360 2388 01:26:01 PM 12513328 14998028 3628204 22.48 2688 2685288 1143812 6.65 456644 2753536 263464 Average: 12287903 14515987 3853629 23.87 2688 2431909 1655961 9.63 296031 3149049 139492 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 146.20 110.91 1570.94 27.52 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 01:25:02 PM lo 12.55 12.55 3.50 3.50 0.00 0.00 0.00 0.00 01:25:02 PM eth0 346.05 231.26 3767.07 54.01 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 16.76 16.76 2.63 2.63 0.00 0.00 0.00 0.00 01:26:01 PM eth0 90.07 65.11 290.18 38.16 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 9.78 9.78 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 194.97 136.30 1886.77 39.98 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) 01/10/2026 _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 26.20 0.00 2.40 1.23 0.09 70.08 01:24:01 PM 0 23.96 0.00 1.83 0.44 0.08 73.69 01:24:01 PM 1 24.03 0.00 1.89 1.07 0.07 72.94 01:24:01 PM 2 31.75 0.00 3.09 1.62 0.09 63.46 01:24:01 PM 3 25.06 0.00 2.78 1.80 0.12 70.24 01:25:02 PM all 54.39 0.00 2.10 0.85 0.10 42.57 01:25:02 PM 0 60.20 0.00 1.59 0.77 0.08 37.36 01:25:02 PM 1 55.34 0.00 2.73 1.14 0.12 40.68 01:25:02 PM 2 43.63 0.00 2.42 0.99 0.10 52.86 01:25:02 PM 3 58.36 0.00 1.65 0.52 0.08 39.38 01:26:01 PM all 16.22 0.00 1.28 0.13 0.07 82.30 01:26:01 PM 0 11.02 0.00 0.88 0.00 0.08 88.01 01:26:01 PM 1 13.65 0.00 1.60 0.27 0.05 84.42 01:26:01 PM 2 27.13 0.00 1.66 0.19 0.08 70.94 01:26:01 PM 3 13.09 0.00 0.98 0.05 0.05 85.82 Average: all 32.39 0.00 1.93 0.74 0.08 64.86 Average: 0 31.88 0.00 1.43 0.41 0.08 66.20 Average: 1 31.15 0.00 2.07 0.83 0.08 65.87 Average: 2 34.22 0.00 2.39 0.93 0.09 62.37 Average: 3 32.33 0.00 1.80 0.79 0.08 65.00