---> uname -a: Linux prd-centos8-docker-8c-8g-3384.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 1031 28401 19 2456 30409 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:3b:71:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.53/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe3b:717f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:61:4f:1e 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) 03/20/2026 _x86_64_ (8 CPU) 05:17:18 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 173.14 2.78 170.37 345.10 12733.77 05:20:01 AM 163.21 2.55 160.66 941.58 5982.15 05:21:01 AM 82.49 2.83 79.66 137.29 6434.86 Average: 139.42 2.72 136.70 475.35 8359.43 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28988304 30761440 3667408 11.23 2688 2090192 2296444 6.81 161952 3036612 45256 05:20:01 AM 27346128 29353216 5309584 16.26 2688 2316612 3506360 10.40 225956 4580892 113940 05:21:01 AM 29064256 31119840 3591456 11.00 2688 2362316 1506808 4.47 412512 2678236 25180 Average: 28466229 30411499 4189483 12.83 2688 2256373 2436537 7.23 266807 3431913 61459 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 176.31 153.35 1609.91 50.76 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 243.46 213.16 2363.48 38.80 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 170.54 168.91 353.53 174.00 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 196.88 178.61 1441.32 88.06 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) 03/20/2026 _x86_64_ (8 CPU) 05:17:18 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.60 0.00 1.28 0.44 0.06 83.61 05:19:01 AM 0 18.13 0.00 0.70 0.05 0.07 81.05 05:19:01 AM 1 18.64 0.00 2.23 0.88 0.07 78.18 05:19:01 AM 2 16.01 0.00 0.82 0.46 0.07 82.64 05:19:01 AM 3 15.60 0.00 1.29 0.37 0.07 82.67 05:19:01 AM 4 16.42 0.00 1.39 0.49 0.05 81.64 05:19:01 AM 5 11.00 0.00 1.99 0.66 0.07 86.28 05:19:01 AM 6 8.17 0.00 0.58 0.10 0.07 91.08 05:19:01 AM 7 12.84 0.00 1.27 0.49 0.05 85.35 05:20:01 AM all 42.43 0.00 1.47 0.39 0.09 55.62 05:20:01 AM 0 48.10 0.00 1.14 0.80 0.10 49.86 05:20:01 AM 1 42.55 0.00 1.23 0.10 0.10 56.02 05:20:01 AM 2 40.93 0.00 1.35 0.08 0.08 57.55 05:20:01 AM 3 33.60 0.00 1.35 0.33 0.08 64.63 05:20:01 AM 4 49.24 0.00 1.64 0.43 0.08 48.61 05:20:01 AM 5 45.48 0.00 1.80 0.53 0.08 52.10 05:20:01 AM 6 43.98 0.00 1.89 0.79 0.08 53.27 05:20:01 AM 7 35.52 0.00 1.34 0.08 0.08 62.97 05:21:01 AM all 23.32 0.00 1.42 0.18 0.08 75.01 05:21:01 AM 0 27.30 0.00 1.82 0.05 0.08 70.74 05:21:01 AM 1 27.61 0.00 1.60 0.22 0.07 70.50 05:21:01 AM 2 23.33 0.00 1.30 0.05 0.10 75.21 05:21:01 AM 3 16.08 0.00 1.19 0.45 0.08 82.19 05:21:01 AM 4 16.72 0.00 1.35 0.37 0.07 81.50 05:21:01 AM 5 34.15 0.00 1.77 0.18 0.07 63.83 05:21:01 AM 6 22.08 0.00 1.30 0.05 0.07 76.50 05:21:01 AM 7 19.27 0.00 0.99 0.03 0.07 79.65 Average: all 26.85 0.00 1.39 0.34 0.08 71.35 Average: 0 31.25 0.00 1.22 0.30 0.08 67.15 Average: 1 29.67 0.00 1.68 0.40 0.08 68.17 Average: 2 26.82 0.00 1.16 0.20 0.08 71.74 Average: 3 21.79 0.00 1.28 0.39 0.08 76.46 Average: 4 27.52 0.00 1.46 0.43 0.07 70.52 Average: 5 30.33 0.00 1.85 0.46 0.07 67.29 Average: 6 24.84 0.00 1.26 0.31 0.07 73.52 Average: 7 22.59 0.00 1.20 0.20 0.07 75.94