---> uname -a: Linux prd-centos8-docker-8c-8g-4403.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: 2799.996 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 1001 28426 19 2461 30439 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:81:a8:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.158/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86164sec preferred_lft 86164sec inet6 fe80::f816:3eff:fe81:a8cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a5:4a:06:55 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_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 156.33 3.05 153.28 349.08 9361.50 05:20:01 AM 202.25 2.50 199.75 950.19 10075.75 05:21:01 AM 80.41 1.17 79.24 82.37 6647.83 Average: 146.33 2.24 144.09 460.58 8695.10 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28575744 30348056 4079968 12.49 2688 2089388 2517600 7.47 154592 3462916 155356 05:20:01 AM 27491160 29500432 5164552 15.82 2688 2318720 2899024 8.60 223588 4440496 115920 05:21:01 AM 29106260 31164880 3549452 10.87 2688 2364776 1466360 4.35 410840 2636360 27328 Average: 28391055 30337789 4264657 13.06 2688 2257628 2294328 6.81 263007 3513257 99535 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 180.37 152.40 1608.75 48.51 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 272.85 228.55 2446.12 44.08 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 94.24 78.64 320.63 25.86 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 182.49 153.20 1458.55 39.48 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_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 13.78 0.00 1.28 0.43 0.07 84.46 05:19:01 AM 0 8.81 0.00 0.92 0.12 0.08 90.07 05:19:01 AM 1 26.67 0.00 1.95 0.67 0.07 70.64 05:19:01 AM 2 6.22 0.00 0.77 0.97 0.07 91.98 05:19:01 AM 3 5.06 0.00 0.80 0.54 0.07 93.54 05:19:01 AM 4 21.73 0.00 1.67 0.25 0.05 76.30 05:19:01 AM 5 21.93 0.00 2.02 0.18 0.07 75.80 05:19:01 AM 6 11.83 0.00 1.27 0.50 0.05 86.35 05:19:01 AM 7 7.91 0.00 0.80 0.18 0.08 91.02 05:20:01 AM all 41.21 0.00 1.57 0.55 0.09 56.58 05:20:01 AM 0 46.99 0.00 1.29 0.32 0.08 51.33 05:20:01 AM 1 49.28 0.00 2.11 0.85 0.10 47.66 05:20:01 AM 2 51.57 0.00 1.63 0.67 0.08 46.05 05:20:01 AM 3 32.54 0.00 1.39 0.58 0.10 65.39 05:20:01 AM 4 43.27 0.00 1.85 0.63 0.10 54.14 05:20:01 AM 5 23.18 0.00 1.32 0.22 0.08 75.20 05:20:01 AM 6 40.93 0.00 1.69 0.38 0.08 56.92 05:20:01 AM 7 41.89 0.00 1.29 0.74 0.08 56.01 05:21:01 AM all 26.71 0.00 1.40 0.18 0.07 71.64 05:21:01 AM 0 28.98 0.00 1.23 0.02 0.08 69.68 05:21:01 AM 1 26.35 0.00 1.50 0.07 0.07 72.02 05:21:01 AM 2 18.48 0.00 1.30 0.65 0.08 79.48 05:21:01 AM 3 39.36 0.00 1.80 0.15 0.08 58.60 05:21:01 AM 4 34.13 0.00 1.54 0.32 0.07 63.94 05:21:01 AM 5 27.16 0.00 1.37 0.05 0.07 71.35 05:21:01 AM 6 22.44 0.00 1.54 0.03 0.07 75.93 05:21:01 AM 7 16.75 0.00 0.89 0.18 0.07 82.11 Average: all 27.23 0.00 1.41 0.39 0.08 70.89 Average: 0 28.27 0.00 1.15 0.15 0.08 70.35 Average: 1 34.10 0.00 1.85 0.53 0.08 63.44 Average: 2 25.44 0.00 1.24 0.76 0.08 72.48 Average: 3 25.67 0.00 1.33 0.42 0.08 72.49 Average: 4 33.04 0.00 1.69 0.40 0.07 64.80 Average: 5 24.09 0.00 1.57 0.15 0.07 74.12 Average: 6 25.06 0.00 1.50 0.31 0.07 73.07 Average: 7 22.18 0.00 0.99 0.37 0.08 76.38