---> uname -a: Linux prd-centos8-builder-4c-4g-11990.novalocal 4.18.0-536.el8.x86_64 #1 SMP Thu Jan 18 15:15:29 UTC 2024 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: 2799.998 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): 0-3 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: 15761 916 11400 19 3444 14495 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:8c:01:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.101/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fe8c:140/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-536.el8.x86_64 (centos-stream-8-builder-bbeabe4a-2fd0-4604-88f7-f8ef5baaa3c1.nov) 07/13/2026 _x86_64_ (4 CPU) 06:53:39 LINUX RESTART (4 CPU) 06:54:01 AM tps rtps wtps bread/s bwrtn/s 06:55:01 AM 369.17 166.55 202.62 7928.17 20837.53 06:56:01 AM 141.99 15.94 126.04 2476.24 14894.35 06:57:01 AM 1151.30 0.05 1151.25 14.13 39254.57 06:58:01 AM 102.52 0.00 102.52 0.00 5690.99 06:59:01 AM 48.54 2.38 46.16 577.77 3398.32 Average: 362.71 36.99 325.72 2199.51 16815.73 06:54:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:55:01 AM 13405200 15124996 2734244 16.94 2688 1924700 891892 5.19 187900 2171980 169128 06:56:01 AM 12292136 14465344 3847308 23.84 2688 2362724 1748064 10.17 219784 3178164 155840 06:57:01 AM 11107768 14207236 5031676 31.18 2688 3135492 1795420 10.45 264628 3969072 121696 06:58:01 AM 10160820 13262832 5978624 37.04 2688 3135492 2663504 15.50 265796 4895168 12 06:59:01 AM 11635432 14798508 4504012 27.91 2688 3194040 881168 5.13 480360 3221512 24188 Average: 11720271 14371783 4419173 27.38 2688 2750490 1596010 9.29 283694 3487179 94173 06:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 AM eth0 362.90 183.82 1779.68 70.66 0.00 0.00 0.00 0.00 06:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM eth0 820.08 537.14 2223.85 177.36 0.00 0.00 0.00 0.00 06:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM eth0 1808.95 1477.76 1618.25 408.20 0.00 0.00 0.00 0.00 06:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 AM eth0 4.98 0.18 2.62 0.34 0.00 0.00 0.00 0.00 06:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 AM eth0 54.11 44.23 287.57 16.35 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 610.21 448.63 1182.45 134.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-536.el8.x86_64 (centos-stream-8-builder-bbeabe4a-2fd0-4604-88f7-f8ef5baaa3c1.nov) 07/13/2026 _x86_64_ (4 CPU) 06:53:39 LINUX RESTART (4 CPU) 06:54:01 AM CPU %user %nice %system %iowait %steal %idle 06:55:01 AM all 27.56 1.73 27.49 2.19 0.19 40.85 06:55:01 AM 0 26.49 1.57 28.51 2.56 0.19 40.68 06:55:01 AM 1 27.76 1.78 29.44 2.00 0.20 38.82 06:55:01 AM 2 30.21 1.14 22.76 1.76 0.20 43.93 06:55:01 AM 3 25.75 2.43 29.26 2.43 0.19 39.95 06:56:01 AM all 25.72 0.05 4.34 0.82 0.12 68.95 06:56:01 AM 0 16.01 0.03 3.36 0.47 0.12 80.01 06:56:01 AM 1 14.73 0.05 3.86 1.43 0.10 79.83 06:56:01 AM 2 49.52 0.05 4.86 0.79 0.13 44.64 06:56:01 AM 3 22.55 0.05 5.28 0.60 0.12 71.40 06:57:01 AM all 27.25 0.00 12.41 3.57 0.19 56.59 06:57:01 AM 0 18.43 0.00 14.42 4.32 0.19 62.65 06:57:01 AM 1 11.55 0.00 14.17 6.29 0.20 67.78 06:57:01 AM 2 40.93 0.00 8.61 2.17 0.17 48.12 06:57:01 AM 3 37.96 0.00 12.45 1.51 0.19 47.90 06:58:01 AM all 31.94 0.00 1.26 0.36 0.14 66.30 06:58:01 AM 0 84.21 0.00 1.47 0.00 0.18 14.13 06:58:01 AM 1 11.03 0.00 1.52 1.34 0.13 85.97 06:58:01 AM 2 11.01 0.00 0.94 0.12 0.12 87.82 06:58:01 AM 3 21.40 0.00 1.10 0.00 0.12 77.38 06:59:01 AM all 24.38 0.00 2.49 0.19 0.10 72.84 06:59:01 AM 0 11.40 0.00 1.61 0.33 0.08 86.57 06:59:01 AM 1 19.15 0.00 2.42 0.23 0.12 78.08 06:59:01 AM 2 19.44 0.00 1.97 0.08 0.08 78.42 06:59:01 AM 3 47.49 0.00 3.96 0.12 0.12 48.31 Average: all 27.37 0.35 9.57 1.42 0.15 61.14 Average: 0 31.38 0.32 9.83 1.52 0.15 56.80 Average: 1 16.85 0.37 10.26 2.25 0.15 70.12 Average: 2 30.20 0.24 7.82 0.98 0.14 60.62 Average: 3 31.03 0.49 10.38 0.93 0.14 57.02