---> uname -a: Linux prd-centos8-docker-8c-8g-115.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 25M 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 1013 28350 27 2526 30419 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:25:6d:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe25:6d6c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:b1:60:a1 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) 04/10/2026 _x86_64_ (8 CPU) 05:17:37 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 213.08 7.50 205.58 1183.54 9774.26 05:20:01 AM 183.55 2.37 181.19 630.43 10375.97 05:21:01 AM 98.27 1.63 96.63 393.87 7117.53 Average: 164.97 3.83 161.14 735.98 9089.22 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29473256 31269972 3182456 9.75 2688 2124280 1403076 4.16 148872 2587612 202020 05:20:01 AM 27454848 29404168 5200864 15.93 2688 2269836 3366364 9.99 211976 4500368 71680 05:21:01 AM 29014452 31123072 3641260 11.15 2688 2424436 1461556 4.34 243392 2897780 45808 Average: 28647519 30599071 4008193 12.27 2688 2272851 2076999 6.16 201413 3328587 106503 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 151.59 115.49 1747.26 38.73 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 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 213.38 189.59 1635.57 41.45 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 173.88 149.12 1553.05 34.75 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 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 179.61 151.39 1645.30 38.31 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) 04/10/2026 _x86_64_ (8 CPU) 05:17:37 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.40 0.00 1.18 0.51 0.04 88.87 05:19:01 AM 0 3.17 0.00 1.02 1.32 0.03 94.46 05:19:01 AM 1 4.70 0.00 0.90 0.47 0.05 93.88 05:19:01 AM 2 28.13 0.00 3.25 0.57 0.07 67.98 05:19:01 AM 3 6.79 0.00 0.72 0.12 0.02 92.36 05:19:01 AM 4 6.82 0.00 0.92 0.95 0.03 91.28 05:19:01 AM 5 18.58 0.00 1.42 0.40 0.03 79.57 05:19:01 AM 6 0.84 0.00 0.40 0.08 0.05 98.63 05:19:01 AM 7 6.11 0.00 0.83 0.17 0.03 92.86 05:20:01 AM all 36.52 0.00 1.65 0.44 0.08 61.31 05:20:01 AM 0 38.53 0.00 1.82 0.42 0.08 59.15 05:20:01 AM 1 40.73 0.00 1.72 0.94 0.08 56.53 05:20:01 AM 2 25.30 0.00 1.52 0.33 0.08 72.76 05:20:01 AM 3 28.84 0.00 1.69 0.37 0.08 69.02 05:20:01 AM 4 27.60 0.00 1.87 0.37 0.08 70.08 05:20:01 AM 5 35.45 0.00 1.76 0.40 0.08 62.31 05:20:01 AM 6 44.87 0.00 1.44 0.50 0.08 53.11 05:20:01 AM 7 50.78 0.00 1.37 0.18 0.08 47.58 05:21:01 AM all 38.49 0.00 1.80 0.24 0.07 59.40 05:21:01 AM 0 31.58 0.00 1.65 0.08 0.07 66.62 05:21:01 AM 1 51.65 0.00 2.22 0.20 0.08 45.84 05:21:01 AM 2 42.00 0.00 2.19 0.57 0.08 55.16 05:21:01 AM 3 23.00 0.00 1.72 0.20 0.07 75.00 05:21:01 AM 4 33.33 0.00 1.87 0.25 0.07 64.48 05:21:01 AM 5 34.47 0.00 1.62 0.30 0.07 63.54 05:21:01 AM 6 43.25 0.00 1.71 0.22 0.08 54.74 05:21:01 AM 7 48.63 0.00 1.45 0.07 0.07 49.78 Average: all 28.13 0.00 1.55 0.39 0.07 69.87 Average: 0 24.42 0.00 1.50 0.61 0.06 73.41 Average: 1 32.37 0.00 1.62 0.53 0.07 65.41 Average: 2 31.81 0.00 2.32 0.49 0.08 65.30 Average: 3 19.53 0.00 1.38 0.23 0.06 78.81 Average: 4 22.58 0.00 1.55 0.52 0.06 75.28 Average: 5 29.50 0.00 1.60 0.37 0.06 68.47 Average: 6 29.66 0.00 1.18 0.27 0.07 68.82 Average: 7 35.16 0.00 1.22 0.14 0.06 63.42