---> uname -a: Linux prd-centos8-docker-8c-8g-446.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 1004 28018 19 2866 30437 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:7c:e6:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.213/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe7c:e69c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e1:5f:89:28 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) 02/28/2026 _x86_64_ (8 CPU) 05:35:27 LINUX RESTART (8 CPU) 05:36:01 AM tps rtps wtps bread/s bwrtn/s 05:37:01 AM 164.06 1.32 162.74 119.71 10714.13 05:38:01 AM 135.29 2.47 132.82 939.82 8405.13 05:39:01 AM 70.94 18.38 52.57 4981.01 5448.10 Average: 123.43 7.39 116.04 2013.62 8188.98 05:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:37:01 AM 28887276 30648296 3768436 11.54 2688 2079388 2017296 5.99 154024 3159008 139008 05:38:01 AM 28286092 30258204 4369620 13.38 2688 2284572 2152180 6.39 215440 3668752 108368 05:39:01 AM 27295968 29780204 5359744 16.41 2688 2793224 2715560 8.06 279988 4583232 328352 Average: 28156445 30228901 4499267 13.78 2688 2385728 2295012 6.81 216484 3803664 191909 05:36:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 AM eth0 152.02 113.10 1559.87 31.13 0.00 0.00 0.00 0.00 05:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:38:01 AM eth0 220.51 183.22 2102.19 34.06 0.00 0.00 0.00 0.00 05:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM eth0 299.08 236.99 5345.63 36.46 0.00 0.00 0.00 0.00 05:39:01 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 223.88 177.77 3002.64 33.88 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) 02/28/2026 _x86_64_ (8 CPU) 05:35:27 LINUX RESTART (8 CPU) 05:36:01 AM CPU %user %nice %system %iowait %steal %idle 05:37:01 AM all 13.65 0.00 1.02 0.87 0.05 84.41 05:37:01 AM 0 10.99 0.00 0.50 0.35 0.08 88.07 05:37:01 AM 1 11.87 0.00 1.05 1.07 0.07 85.94 05:37:01 AM 2 29.11 0.00 2.22 1.05 0.07 67.55 05:37:01 AM 3 14.40 0.00 1.32 0.45 0.05 83.78 05:37:01 AM 4 10.75 0.00 0.38 0.15 0.03 88.68 05:37:01 AM 5 6.07 0.00 0.72 0.98 0.05 92.17 05:37:01 AM 6 9.57 0.00 0.90 1.19 0.02 88.32 05:37:01 AM 7 16.46 0.00 1.03 1.72 0.05 80.73 05:38:01 AM all 45.87 0.00 1.47 0.79 0.09 51.77 05:38:01 AM 0 36.40 0.00 1.52 0.73 0.08 61.26 05:38:01 AM 1 40.93 0.00 2.14 2.17 0.10 54.66 05:38:01 AM 2 57.89 0.00 1.50 0.85 0.08 39.68 05:38:01 AM 3 54.71 0.00 1.20 0.25 0.08 43.76 05:38:01 AM 4 34.83 0.00 1.22 1.49 0.10 62.36 05:38:01 AM 5 41.92 0.00 1.20 0.35 0.08 56.45 05:38:01 AM 6 44.18 0.00 1.23 0.02 0.08 54.49 05:38:01 AM 7 56.12 0.00 1.77 0.48 0.10 41.53 05:39:01 AM all 41.06 0.00 1.30 0.59 0.09 56.96 05:39:01 AM 0 48.32 0.00 0.94 0.00 0.08 50.66 05:39:01 AM 1 30.85 0.00 1.42 1.04 0.08 66.61 05:39:01 AM 2 46.43 0.00 1.35 1.14 0.12 50.96 05:39:01 AM 3 43.30 0.00 1.12 0.32 0.08 55.17 05:39:01 AM 4 26.83 0.00 1.21 0.32 0.10 71.54 05:39:01 AM 5 37.47 0.00 1.14 0.30 0.08 61.01 05:39:01 AM 6 49.66 0.00 1.14 1.20 0.10 47.91 05:39:01 AM 7 45.60 0.00 2.07 0.42 0.07 51.84 Average: all 33.53 0.00 1.26 0.75 0.08 64.38 Average: 0 31.91 0.00 0.99 0.36 0.08 66.66 Average: 1 27.89 0.00 1.54 1.43 0.08 69.06 Average: 2 44.47 0.00 1.69 1.01 0.09 52.73 Average: 3 37.47 0.00 1.21 0.34 0.07 60.90 Average: 4 24.13 0.00 0.94 0.65 0.08 74.20 Average: 5 28.48 0.00 1.02 0.55 0.07 69.88 Average: 6 34.47 0.00 1.09 0.80 0.07 63.57 Average: 7 39.38 0.00 1.63 0.87 0.07 58.04