---> uname -a: Linux prd-centos8-docker-8c-8g-3045.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: 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): 0-7 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 1003 28371 19 2515 30438 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:b4:82:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.133/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:feb4:82a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:25:85:7f:6b 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) 04/19/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 173.36 3.10 170.26 378.85 11734.53 05:20:01 AM 181.57 2.55 179.02 941.42 10718.61 05:21:01 AM 79.47 2.80 76.67 129.56 6540.37 Average: 144.64 2.81 141.83 483.86 9652.94 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29286372 31119144 3369340 10.32 2688 2149988 1973288 5.85 165248 2741344 184632 05:20:01 AM 27442928 29508116 5212784 15.96 2688 2374492 2926544 8.68 229376 4483296 112460 05:21:01 AM 29063700 31179736 3592012 11.00 2688 2422740 1420696 4.22 416208 2675976 23116 Average: 28597667 30602332 4058045 12.43 2688 2315740 2106843 6.25 270277 3300205 106736 05:18:02 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 204.86 177.09 2124.52 53.35 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 220.96 195.12 2373.31 40.11 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 199.70 188.14 361.10 180.06 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 208.53 186.84 1616.82 91.38 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) 04/19/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.69 0.00 1.31 0.36 0.06 83.58 05:19:01 AM 0 6.01 0.00 0.68 0.05 0.08 93.17 05:19:01 AM 1 12.57 0.00 0.92 0.29 0.07 86.16 05:19:01 AM 2 16.66 0.00 1.34 0.34 0.07 81.60 05:19:01 AM 3 19.41 0.00 1.26 0.17 0.05 79.11 05:19:01 AM 4 18.70 0.00 1.46 0.36 0.05 79.44 05:19:01 AM 5 20.56 0.00 2.62 0.51 0.09 76.22 05:19:01 AM 6 17.12 0.00 1.32 0.24 0.05 81.26 05:19:01 AM 7 6.47 0.00 0.85 0.95 0.03 91.70 05:20:01 AM all 41.54 0.00 1.46 0.48 0.09 56.43 05:20:01 AM 0 29.46 0.00 1.17 0.22 0.10 69.05 05:20:01 AM 1 45.48 0.00 1.09 0.38 0.10 52.95 05:20:01 AM 2 40.98 0.00 1.32 0.08 0.10 57.52 05:20:01 AM 3 32.06 0.00 1.25 0.97 0.08 65.63 05:20:01 AM 4 59.57 0.00 2.66 0.85 0.08 36.84 05:20:01 AM 5 40.04 0.00 1.22 0.20 0.08 58.45 05:20:01 AM 6 47.31 0.00 1.72 0.87 0.08 50.02 05:20:01 AM 7 37.41 0.00 1.29 0.28 0.07 60.96 05:21:01 AM all 24.85 0.00 1.45 0.20 0.06 73.44 05:21:01 AM 0 17.55 0.00 1.27 0.27 0.07 80.85 05:21:01 AM 1 22.96 0.00 1.37 0.10 0.07 75.50 05:21:01 AM 2 37.12 0.00 1.80 0.08 0.07 60.93 05:21:01 AM 3 21.94 0.00 1.09 0.52 0.07 76.39 05:21:01 AM 4 26.37 0.00 1.44 0.10 0.05 72.05 05:21:01 AM 5 25.50 0.00 1.94 0.18 0.07 72.32 05:21:01 AM 6 28.05 0.00 1.24 0.08 0.07 70.56 05:21:01 AM 7 19.33 0.00 1.44 0.23 0.07 78.93 Average: all 27.10 0.00 1.41 0.35 0.07 71.08 Average: 0 17.74 0.00 1.04 0.18 0.08 80.96 Average: 1 27.09 0.00 1.13 0.26 0.08 71.45 Average: 2 31.67 0.00 1.49 0.17 0.08 66.60 Average: 3 24.50 0.00 1.20 0.55 0.07 73.68 Average: 4 34.97 0.00 1.85 0.44 0.06 62.68 Average: 5 28.75 0.00 1.92 0.30 0.08 68.95 Average: 6 30.90 0.00 1.43 0.40 0.07 67.21 Average: 7 21.15 0.00 1.19 0.49 0.06 77.11