---> uname -a: Linux prd-centos8-docker-8c-8g-2074.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 1012 28360 19 2517 30428 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:5e:50:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.250/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe5e:5082/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9e:9e:83:43 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) 04/16/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 153.27 2.70 150.57 361.48 9954.58 05:20:01 AM 185.05 2.50 182.56 950.35 10797.97 05:21:01 AM 78.66 2.80 75.86 130.09 6503.83 Average: 138.99 2.67 136.33 480.64 9085.46 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29266860 31100684 3388852 10.38 2688 2150936 2008752 5.96 165068 2761804 184520 05:20:01 AM 27271836 29338284 5383876 16.49 2688 2375900 3131740 9.29 229032 4654668 112528 05:21:01 AM 29043540 31161204 3612172 11.06 2688 2424088 1453880 4.31 416556 2695684 23120 Average: 28527412 30533391 4128300 12.64 2688 2316975 2198124 6.52 270219 3370719 106723 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 235.90 191.89 2016.55 52.18 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 235.25 203.98 2369.36 38.68 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 174.73 166.83 353.42 173.36 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 215.29 187.57 1579.78 88.08 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) 04/16/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 13.34 0.00 1.31 0.37 0.05 84.92 05:19:01 AM 0 12.42 0.00 1.02 0.18 0.05 86.33 05:19:01 AM 1 23.28 0.00 2.10 0.53 0.07 74.01 05:19:01 AM 2 19.29 0.00 1.81 0.23 0.07 78.60 05:19:01 AM 3 11.97 0.00 0.95 0.17 0.03 86.88 05:19:01 AM 4 5.86 0.00 1.07 0.80 0.05 92.22 05:19:01 AM 5 25.19 0.00 2.29 0.69 0.07 71.77 05:19:01 AM 6 5.63 0.00 0.67 0.08 0.02 93.60 05:19:01 AM 7 3.05 0.00 0.59 0.30 0.08 95.98 05:20:01 AM all 42.34 0.00 1.48 0.57 0.09 55.53 05:20:01 AM 0 46.20 0.00 1.13 0.12 0.10 52.45 05:20:01 AM 1 40.32 0.00 1.97 1.20 0.08 56.42 05:20:01 AM 2 41.23 0.00 1.15 0.57 0.08 56.96 05:20:01 AM 3 34.87 0.00 1.37 0.45 0.08 63.23 05:20:01 AM 4 41.51 0.00 1.47 0.54 0.08 56.40 05:20:01 AM 5 49.05 0.00 1.55 0.95 0.07 48.38 05:20:01 AM 6 39.81 0.00 1.51 0.32 0.08 58.28 05:20:01 AM 7 45.71 0.00 1.67 0.40 0.10 52.12 05:21:01 AM all 24.80 0.00 1.46 0.17 0.07 73.49 05:21:01 AM 0 19.59 0.00 2.02 0.22 0.08 78.09 05:21:01 AM 1 30.51 0.00 1.89 0.33 0.08 67.18 05:21:01 AM 2 30.90 0.00 1.92 0.22 0.07 66.90 05:21:01 AM 3 31.01 0.00 1.30 0.05 0.07 67.57 05:21:01 AM 4 23.05 0.00 1.15 0.10 0.07 75.63 05:21:01 AM 5 22.05 0.00 1.14 0.17 0.08 76.56 05:21:01 AM 6 23.15 0.00 1.10 0.13 0.05 75.56 05:21:01 AM 7 18.17 0.00 1.19 0.13 0.07 80.44 Average: all 26.83 0.00 1.42 0.37 0.07 71.31 Average: 0 26.08 0.00 1.39 0.17 0.08 72.28 Average: 1 31.37 0.00 1.99 0.69 0.08 65.88 Average: 2 30.48 0.00 1.63 0.34 0.07 67.48 Average: 3 25.95 0.00 1.21 0.22 0.06 72.56 Average: 4 23.47 0.00 1.23 0.48 0.07 74.75 Average: 5 32.10 0.00 1.66 0.60 0.07 65.56 Average: 6 22.85 0.00 1.09 0.18 0.05 75.83 Average: 7 22.32 0.00 1.15 0.28 0.08 76.17