---> uname -a: Linux prd-centos8-builder-4c-4g-12036.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 11145 19 3699 14496 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:e3:b0:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.129/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86081sec preferred_lft 86081sec inet6 fe80::f816:3eff:fee3:b0f2/64 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) 06/15/2026 _x86_64_ (4 CPU) 12:41:59 LINUX RESTART (4 CPU) 12:43:01 PM tps rtps wtps bread/s bwrtn/s 12:44:01 PM 206.23 44.74 161.50 2771.61 16492.47 12:45:01 PM 915.03 0.03 915.00 0.53 39935.38 12:46:01 PM 360.55 0.02 360.53 13.60 14166.74 12:47:01 PM 29.99 2.37 27.62 577.54 1720.63 Average: 377.93 11.79 366.14 840.85 18077.89 12:43:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:44:01 PM 11890336 14190900 4249112 26.33 2688 2482756 1980444 11.52 217708 3548984 282704 12:45:01 PM 9662808 13016508 6476640 40.13 2688 3379764 2983148 17.36 221236 5455348 339460 12:46:01 PM 10157536 13521884 5981912 37.06 2688 3387004 2470936 14.38 263532 4890832 20 12:47:01 PM 11408168 14838568 4731280 29.32 2688 3451796 868572 5.05 480500 3435972 64892 Average: 10779712 13891965 5359736 33.21 2688 3175330 2075775 12.08 295744 4332784 171769 12:43:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:44:01 PM eth0 983.29 699.15 3748.41 198.91 0.00 0.00 0.00 0.00 12:45:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:45:01 PM eth0 1794.72 1515.60 4695.19 380.03 0.00 0.00 0.00 0.00 12:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:46:01 PM eth0 313.60 227.62 123.11 66.73 0.00 0.00 0.00 0.00 12:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:47:01 PM eth0 44.85 39.99 284.27 45.16 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 784.07 620.55 2212.64 172.70 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) 06/15/2026 _x86_64_ (4 CPU) 12:41:59 LINUX RESTART (4 CPU) 12:43:01 PM CPU %user %nice %system %iowait %steal %idle 12:44:01 PM all 26.69 0.33 11.01 1.10 0.11 60.75 12:44:01 PM 0 19.07 0.30 10.41 1.34 0.12 68.76 12:44:01 PM 1 23.53 0.29 11.85 1.01 0.12 63.21 12:44:01 PM 2 17.43 0.45 12.18 1.06 0.12 68.75 12:44:01 PM 3 46.64 0.28 9.61 1.00 0.10 42.37 12:45:01 PM all 26.78 0.00 12.27 2.63 0.13 58.18 12:45:01 PM 0 79.40 0.00 8.68 0.12 0.13 11.67 12:45:01 PM 1 6.78 0.00 12.84 2.19 0.14 78.06 12:45:01 PM 2 11.27 0.00 13.34 2.89 0.12 72.37 12:45:01 PM 3 8.79 0.00 14.30 5.36 0.14 71.41 12:46:01 PM all 31.32 0.00 2.59 1.10 0.10 64.90 12:46:01 PM 0 62.18 0.00 3.24 0.00 0.10 34.48 12:46:01 PM 1 11.18 0.00 1.97 0.17 0.10 86.58 12:46:01 PM 2 10.81 0.00 3.13 3.73 0.08 82.25 12:46:01 PM 3 40.93 0.00 2.01 0.54 0.10 56.43 12:47:01 PM all 27.48 0.00 2.01 0.11 0.08 70.33 12:47:01 PM 0 25.66 0.00 1.64 0.03 0.07 72.60 12:47:01 PM 1 33.67 0.00 1.52 0.17 0.08 64.55 12:47:01 PM 2 15.76 0.00 2.04 0.08 0.08 82.04 12:47:01 PM 3 34.82 0.00 2.84 0.15 0.08 62.11 Average: all 28.07 0.08 6.94 1.23 0.11 63.57 Average: 0 46.56 0.08 5.98 0.37 0.10 46.91 Average: 1 18.84 0.07 7.01 0.88 0.11 73.09 Average: 2 13.83 0.11 7.64 1.93 0.10 76.38 Average: 3 32.93 0.07 7.15 1.74 0.11 58.01