---> uname -a: Linux prd-centos8-docker-8c-8g-1366.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1045 27148 19 3696 30381 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:e5:7b:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fee5:7b67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:38:a9:a2 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 inet6 fe80::42:f1ff:fe38:a9a2/64 scope link 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) 12/26/2025 _x86_64_ (8 CPU) 03:38:02 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 265.81 14.33 251.48 3093.24 12680.87 03:41:01 AM 397.53 7.17 390.37 1274.19 13112.46 03:42:01 AM 204.53 1.40 203.13 411.60 42820.18 Average: 289.29 7.63 281.66 1593.02 22871.71 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28853068 30828024 3802644 11.64 2688 2287872 1810524 5.37 196636 3125348 134224 03:41:01 AM 27569660 29994868 5086052 15.57 2688 2730132 2368860 7.03 396484 4173060 245508 03:42:01 AM 27827920 31134324 4827792 14.78 2688 3599592 1509284 4.48 651020 3620924 131876 Average: 28083549 30652405 4572163 14.00 2688 2872532 1896223 5.63 414713 3639777 170536 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 294.27 255.36 2622.86 58.87 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 588.60 470.59 6403.99 56.72 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 502.92 414.28 5344.54 1356.93 0.00 0.00 0.00 0.00 03:42:01 AM docker0 10.81 16.66 0.62 307.75 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 461.92 380.07 4790.37 490.87 0.00 0.00 0.00 0.00 Average: docker0 3.60 5.55 0.21 102.59 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) 12/26/2025 _x86_64_ (8 CPU) 03:38:02 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 15.62 0.00 1.34 1.24 0.06 81.74 03:40:01 AM 0 11.32 0.00 1.24 1.05 0.07 86.32 03:40:01 AM 1 13.84 0.00 1.41 1.27 0.07 83.41 03:40:01 AM 2 18.68 0.00 1.15 0.74 0.07 79.36 03:40:01 AM 3 7.69 0.00 0.95 1.29 0.07 90.00 03:40:01 AM 4 24.62 0.00 1.52 2.46 0.07 71.33 03:40:01 AM 5 21.23 0.00 1.72 0.85 0.07 76.13 03:40:01 AM 6 13.22 0.00 1.17 0.38 0.07 85.16 03:40:01 AM 7 14.31 0.00 1.54 1.89 0.05 82.22 03:41:01 AM all 27.15 0.00 1.82 1.89 0.10 69.04 03:41:01 AM 0 33.93 0.00 2.21 2.43 0.12 61.31 03:41:01 AM 1 33.17 0.00 2.16 1.81 0.12 62.75 03:41:01 AM 2 35.53 0.00 2.60 1.61 0.10 60.15 03:41:01 AM 3 16.88 0.00 1.46 1.98 0.10 79.58 03:41:01 AM 4 21.18 0.00 1.38 2.17 0.10 75.18 03:41:01 AM 5 18.89 0.00 1.51 0.39 0.08 79.13 03:41:01 AM 6 23.17 0.00 1.78 2.40 0.10 72.55 03:41:01 AM 7 34.44 0.00 1.44 2.31 0.08 61.73 03:42:01 AM all 15.34 0.00 3.21 2.57 0.07 78.80 03:42:01 AM 0 16.15 0.00 3.76 1.43 0.07 78.60 03:42:01 AM 1 13.58 0.00 3.82 5.60 0.07 76.94 03:42:01 AM 2 16.94 0.00 3.21 3.08 0.08 76.69 03:42:01 AM 3 10.74 0.00 2.86 1.33 0.07 84.99 03:42:01 AM 4 16.52 0.00 2.86 2.46 0.07 78.09 03:42:01 AM 5 14.21 0.00 3.29 2.10 0.08 80.31 03:42:01 AM 6 15.38 0.00 3.53 2.79 0.07 78.23 03:42:01 AM 7 19.20 0.00 2.37 1.80 0.07 76.57 Average: all 19.37 0.00 2.12 1.90 0.08 76.53 Average: 0 20.47 0.00 2.40 1.64 0.08 75.41 Average: 1 20.21 0.00 2.46 2.89 0.08 74.36 Average: 2 23.72 0.00 2.32 1.81 0.08 72.07 Average: 3 11.77 0.00 1.76 1.53 0.08 84.86 Average: 4 20.78 0.00 1.92 2.36 0.08 74.86 Average: 5 18.12 0.00 2.17 1.11 0.08 78.52 Average: 6 17.25 0.00 2.16 1.86 0.08 78.65 Average: 7 22.65 0.00 1.78 2.00 0.07 73.50