---> uname -a: Linux prd-centos8-builder-4c-4g-196.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 750 10437 19 4574 14663 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:53:c9:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85859sec preferred_lft 85859sec inet6 fe80::f816:3eff:fe53:c967/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 12/17/2025 _x86_64_ (4 CPU) 01:22:06 LINUX RESTART (4 CPU) 01:23:01 AM tps rtps wtps bread/s bwrtn/s 01:24:01 AM 140.08 7.48 132.59 1647.46 12576.69 01:25:01 AM 17.06 0.03 17.03 0.53 504.48 01:26:01 AM 329.85 13.56 316.29 1646.51 3474.65 01:27:01 AM 151.23 5.86 145.37 1009.99 19474.77 01:28:01 AM 57.27 0.08 57.19 1.20 22782.99 01:29:01 AM 124.55 0.00 124.55 0.00 31435.73 01:30:01 AM 53.91 0.00 53.91 0.00 7026.98 01:31:01 AM 77.14 0.30 76.84 48.78 6954.57 Average: 118.89 3.42 115.48 544.36 13028.47 01:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 AM 13281540 15150032 2859992 17.72 2688 2065392 775416 4.51 202644 2243040 1192 01:25:01 AM 13276940 15147380 2864592 17.75 2688 2066008 775416 4.51 202664 2244332 52 01:26:01 AM 12034424 14291624 4107108 25.44 2688 2435500 1547172 9.00 239800 3401992 306108 01:27:01 AM 10455232 13612592 5686300 35.23 2688 3328236 2203948 12.82 453816 4748408 612048 01:28:01 AM 7808008 11530016 8333524 51.63 2688 3881100 4182860 24.33 746916 7077620 497184 01:29:01 AM 8467792 12722064 7673740 47.54 2688 4407624 2977932 17.32 888184 6269084 108076 01:30:01 AM 8190896 12647832 7950636 49.26 2688 4589440 2987744 17.38 958640 6439384 104728 01:31:01 AM 10716488 15040956 5425044 33.61 2688 4449428 784416 4.56 1170744 3691560 23116 Average: 10528915 13767812 5612617 34.77 2688 3402841 2029363 11.81 607926 4514428 206563 01:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 AM eth0 126.86 106.70 580.63 32.34 0.00 0.00 0.00 0.00 01:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 AM eth0 131.42 109.75 247.17 32.30 0.00 0.00 0.00 0.00 01:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 AM eth0 557.15 491.37 4982.99 102.76 0.00 0.00 0.00 0.00 01:27:01 AM lo 0.70 0.70 0.10 0.10 0.00 0.00 0.00 0.00 01:27:01 AM eth0 379.11 236.68 4226.29 22.58 0.00 0.00 0.00 0.00 01:28:01 AM lo 0.33 0.33 0.02 0.02 0.00 0.00 0.00 0.00 01:28:01 AM eth0 93.18 75.15 1751.32 14.47 0.00 0.00 0.00 0.00 01:29:01 AM lo 2.58 2.58 0.54 0.54 0.00 0.00 0.00 0.00 01:29:01 AM eth0 38.86 38.24 166.99 10.44 0.00 0.00 0.00 0.00 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 31.89 31.24 48.33 10.85 0.00 0.00 0.00 0.00 01:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM eth0 33.27 28.76 30.06 12.52 0.00 0.00 0.00 0.00 Average: lo 0.45 0.45 0.08 0.08 0.00 0.00 0.00 0.00 Average: eth0 174.00 139.75 1504.48 29.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 12/17/2025 _x86_64_ (4 CPU) 01:22:06 LINUX RESTART (4 CPU) 01:23:01 AM CPU %user %nice %system %iowait %steal %idle 01:24:01 AM all 10.68 0.08 2.25 0.88 0.07 86.04 01:24:01 AM 0 9.92 0.08 2.32 0.68 0.07 86.92 01:24:01 AM 1 12.99 0.12 2.37 1.04 0.07 83.41 01:24:01 AM 2 4.68 0.10 1.79 1.37 0.07 91.99 01:24:01 AM 3 15.14 0.03 2.51 0.43 0.07 81.82 01:25:01 AM all 0.56 0.00 0.40 0.20 0.06 98.78 01:25:01 AM 0 0.13 0.00 0.08 0.00 0.07 99.72 01:25:01 AM 1 0.63 0.00 0.37 0.12 0.07 98.81 01:25:01 AM 2 0.67 0.00 0.43 0.67 0.05 98.18 01:25:01 AM 3 0.80 0.00 0.72 0.02 0.07 98.40 01:26:01 AM all 27.30 0.00 2.35 1.20 0.09 69.06 01:26:01 AM 0 24.81 0.00 2.33 1.56 0.08 71.22 01:26:01 AM 1 29.81 0.00 1.71 1.37 0.08 67.02 01:26:01 AM 2 22.60 0.00 2.08 0.55 0.10 74.67 01:26:01 AM 3 31.98 0.00 3.29 1.32 0.08 63.32 01:27:01 AM all 34.12 0.00 2.00 0.98 0.42 62.49 01:27:01 AM 0 34.75 0.00 1.58 0.33 0.50 62.84 01:27:01 AM 1 30.38 0.00 1.97 1.91 1.03 64.72 01:27:01 AM 2 35.98 0.00 2.48 1.14 0.07 60.33 01:27:01 AM 3 35.40 0.00 1.96 0.54 0.07 62.04 01:28:01 AM all 62.49 0.00 2.80 0.46 0.09 34.16 01:28:01 AM 0 56.07 0.00 1.65 0.33 0.10 41.84 01:28:01 AM 1 62.65 0.00 2.69 0.20 0.08 34.38 01:28:01 AM 2 59.57 0.00 1.81 0.30 0.08 38.24 01:28:01 AM 3 71.66 0.00 5.07 1.00 0.08 22.18 01:29:01 AM all 46.18 0.00 2.70 0.79 0.08 50.25 01:29:01 AM 0 46.71 0.00 2.98 0.28 0.08 49.94 01:29:01 AM 1 55.18 0.00 4.28 0.62 0.08 39.84 01:29:01 AM 2 40.95 0.00 1.88 0.35 0.08 56.73 01:29:01 AM 3 41.84 0.00 1.66 1.91 0.08 54.50 01:30:01 AM all 50.65 0.00 2.93 0.30 0.08 46.04 01:30:01 AM 0 41.89 0.00 2.75 0.44 0.12 54.81 01:30:01 AM 1 67.98 0.00 5.95 0.17 0.08 25.82 01:30:01 AM 2 44.87 0.00 1.05 0.46 0.07 53.55 01:30:01 AM 3 47.99 0.00 1.96 0.12 0.07 49.86 01:31:01 AM all 27.15 0.00 2.21 0.36 0.06 70.21 01:31:01 AM 0 17.56 0.00 1.84 0.57 0.07 79.96 01:31:01 AM 1 40.14 0.00 4.16 0.40 0.05 55.24 01:31:01 AM 2 14.33 0.00 1.06 0.28 0.08 84.24 01:31:01 AM 3 36.55 0.00 1.76 0.20 0.05 61.44 Average: all 32.35 0.01 2.20 0.65 0.12 64.67 Average: 0 28.97 0.01 1.94 0.52 0.14 68.42 Average: 1 37.40 0.01 2.93 0.73 0.19 58.73 Average: 2 27.91 0.01 1.57 0.64 0.08 69.79 Average: 3 35.13 0.00 2.37 0.69 0.07 61.73