---> uname -a: Linux prd-centos8-docker-8c-8g-18319.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1010 28422 19 2457 30430 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:5c:91:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe5c:9147/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f3:0c:19:a0 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) 02/19/2026 _x86_64_ (8 CPU) 05:17:22 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 165.49 2.82 162.67 341.54 10615.21 05:20:01 AM 181.37 2.50 178.87 950.35 8746.20 05:21:01 AM 73.71 1.17 72.54 82.37 6296.48 Average: 140.19 2.16 138.03 458.09 8552.52 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29422012 31196236 3233700 9.90 2688 2090956 1944412 5.77 160672 2609808 125460 05:20:01 AM 27226904 29232988 5428808 16.62 2688 2315536 3621988 10.75 225472 4700400 112552 05:21:01 AM 29173036 31229600 3482676 10.66 2688 2362948 1360384 4.04 412692 2568508 27960 Average: 28607317 30552941 4048395 12.40 2688 2256480 2308928 6.85 266279 3292905 88657 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 174.94 147.93 1629.03 48.56 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 222.44 196.78 2370.24 37.21 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 162.73 163.93 349.02 172.78 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 186.70 169.55 1449.42 86.19 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) 02/19/2026 _x86_64_ (8 CPU) 05:17:22 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 13.22 0.00 1.36 0.51 0.05 84.85 05:19:01 AM 0 8.04 0.00 0.87 0.08 0.05 90.96 05:19:01 AM 1 19.92 0.00 1.94 0.78 0.07 77.29 05:19:01 AM 2 9.41 0.00 0.57 0.00 0.05 89.97 05:19:01 AM 3 21.13 0.00 2.36 1.42 0.07 75.03 05:19:01 AM 4 10.10 0.00 0.95 0.52 0.05 88.38 05:19:01 AM 5 4.67 0.00 1.19 0.49 0.05 93.60 05:19:01 AM 6 14.99 0.00 1.40 0.30 0.03 83.27 05:19:01 AM 7 17.47 0.00 1.64 0.50 0.07 80.33 05:20:01 AM all 42.64 0.00 1.53 0.56 0.10 55.17 05:20:01 AM 0 56.12 0.00 0.87 0.73 0.10 42.17 05:20:01 AM 1 44.17 0.00 1.85 0.70 0.12 53.16 05:20:01 AM 2 40.61 0.00 1.89 0.47 0.10 56.94 05:20:01 AM 3 50.03 0.00 1.10 0.13 0.10 48.63 05:20:01 AM 4 44.90 0.00 1.75 0.82 0.08 52.45 05:20:01 AM 5 31.54 0.00 1.47 1.27 0.08 65.64 05:20:01 AM 6 31.70 0.00 1.42 0.18 0.10 66.60 05:20:01 AM 7 42.01 0.00 1.89 0.20 0.10 55.80 05:21:01 AM all 26.46 0.00 1.52 0.20 0.07 71.74 05:21:01 AM 0 27.30 0.00 1.45 0.10 0.08 71.07 05:21:01 AM 1 23.20 0.00 1.35 0.17 0.07 75.22 05:21:01 AM 2 41.40 0.00 2.69 0.43 0.07 55.41 05:21:01 AM 3 26.71 0.00 1.42 0.05 0.07 71.76 05:21:01 AM 4 18.05 0.00 1.07 0.13 0.08 80.66 05:21:01 AM 5 26.81 0.00 1.47 0.63 0.07 71.02 05:21:01 AM 6 29.81 0.00 1.72 0.08 0.07 68.32 05:21:01 AM 7 18.39 0.00 1.02 0.02 0.08 80.48 Average: all 27.44 0.00 1.47 0.43 0.08 70.59 Average: 0 30.48 0.00 1.06 0.31 0.08 68.07 Average: 1 29.10 0.00 1.71 0.55 0.08 68.55 Average: 2 30.48 0.00 1.72 0.30 0.07 67.43 Average: 3 32.62 0.00 1.63 0.53 0.08 65.14 Average: 4 24.35 0.00 1.26 0.49 0.07 73.82 Average: 5 21.02 0.00 1.38 0.80 0.07 76.74 Average: 6 25.50 0.00 1.51 0.19 0.07 72.73 Average: 7 25.96 0.00 1.51 0.24 0.08 72.20