---> uname -a: Linux prd-centos8-docker-4c-4g-18636.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 762 12238 19 2762 14665 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:19:9d:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe19:9d29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:58:ea:e3 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) 02/20/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 143.43 16.54 126.89 3304.05 9808.03 01:25:01 PM 228.30 6.35 221.95 1081.69 15154.91 01:26:01 PM 26.79 0.52 26.27 17.19 756.91 Average: 132.84 7.80 125.03 1467.97 8573.12 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12988168 14929172 3153364 19.54 2688 2150220 1347084 7.84 153216 2619044 145128 01:25:01 PM 11514016 13750052 4627516 28.67 2688 2438452 2343944 13.64 250364 3958096 12300 01:26:01 PM 12555336 15040128 3586196 22.22 2688 2685764 1130568 6.58 345720 2824400 247548 Average: 12352507 14573117 3789025 23.47 2688 2424812 1607199 9.35 249767 3133847 134992 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 123.53 93.44 1441.18 26.27 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 11.50 11.50 3.40 3.40 0.00 0.00 0.00 0.00 01:25:01 PM eth0 376.70 271.34 4023.91 57.36 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 17.58 17.58 2.69 2.69 0.00 0.00 0.00 0.00 01:26:01 PM eth0 49.92 42.10 265.75 29.13 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 9.69 9.69 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 183.36 135.61 1910.08 37.59 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) 02/20/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.31 0.00 2.05 2.68 0.08 72.87 01:24:01 PM 0 25.47 0.00 2.32 1.95 0.10 70.16 01:24:01 PM 1 26.81 0.00 2.44 4.45 0.08 66.22 01:24:01 PM 2 23.68 0.00 1.79 1.30 0.07 73.17 01:24:01 PM 3 13.29 0.00 1.67 3.02 0.07 81.95 01:25:01 PM all 56.19 0.00 2.45 2.82 0.12 38.43 01:25:01 PM 0 50.56 0.00 3.34 3.50 0.12 42.48 01:25:01 PM 1 66.58 0.00 1.44 1.47 0.12 30.39 01:25:01 PM 2 43.54 0.00 2.41 3.10 0.12 50.83 01:25:01 PM 3 64.05 0.00 2.61 3.19 0.12 30.04 01:26:01 PM all 12.39 0.00 0.95 0.23 0.08 86.36 01:26:01 PM 0 12.57 0.00 1.07 0.18 0.08 86.09 01:26:01 PM 1 10.99 0.00 0.74 0.47 0.07 87.74 01:26:01 PM 2 12.12 0.00 1.00 0.10 0.10 86.68 01:26:01 PM 3 13.87 0.00 0.99 0.15 0.07 84.92 Average: all 30.28 0.00 1.82 1.91 0.09 65.90 Average: 0 29.50 0.00 2.24 1.88 0.10 66.28 Average: 1 34.77 0.00 1.54 2.13 0.09 61.47 Average: 2 26.43 0.00 1.73 1.50 0.09 70.24 Average: 3 30.41 0.00 1.76 2.12 0.08 65.63