---> uname -a: Linux prd-centos8-builder-4c-4g-1147.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 881 11427 19 3451 14530 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:78:03:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.127/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86066sec preferred_lft 86066sec inet6 fe80::f816:3eff:fe78:3f3/64 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) 07/20/2026 _x86_64_ (4 CPU) 06:40:02 LINUX RESTART (4 CPU) 06:41:01 AM tps rtps wtps bread/s bwrtn/s 06:42:01 AM 222.06 69.99 152.07 3115.23 10269.08 06:43:01 AM 643.74 0.03 643.70 0.53 31513.41 06:44:01 AM 646.74 0.02 646.73 13.60 21186.14 06:45:01 AM 22.01 2.00 20.01 531.02 1600.20 Average: 383.63 18.01 365.61 915.13 16142.00 06:41:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:42:01 AM 12531084 14673968 3608364 22.36 2688 2333396 1511160 8.79 218608 2955168 333120 06:43:01 AM 10967460 14065616 5171988 32.05 2688 3135264 1973656 11.48 222092 4194120 514952 06:44:01 AM 10393840 13502732 5745608 35.60 2688 3142504 2421772 14.09 264548 4667412 12 06:45:01 AM 11693100 14853452 4446348 27.55 2688 3192772 833588 4.85 465808 3179916 41832 Average: 11396371 14273942 4743077 29.39 2688 2950984 1685044 9.80 292764 3749154 222479 06:41:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:42:01 AM eth0 172.29 130.84 1915.26 24.47 0.00 0.00 0.00 0.00 06:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 AM eth0 2117.11 1593.25 1919.02 467.38 0.00 0.00 0.00 0.00 06:44:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 AM eth0 460.14 342.99 159.20 105.39 0.00 0.00 0.00 0.00 06:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 AM eth0 36.52 33.61 271.62 10.69 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 696.53 525.18 1066.31 151.98 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) 07/20/2026 _x86_64_ (4 CPU) 06:40:02 LINUX RESTART (4 CPU) 06:41:01 AM CPU %user %nice %system %iowait %steal %idle 06:42:01 AM all 23.85 0.58 17.68 1.73 0.13 56.04 06:42:01 AM 0 24.22 0.72 19.49 1.76 0.12 53.70 06:42:01 AM 1 22.76 0.59 16.65 1.36 0.13 58.51 06:42:01 AM 2 31.26 0.32 12.64 1.05 0.13 54.60 06:42:01 AM 3 17.09 0.69 21.98 2.75 0.13 57.35 06:43:01 AM all 27.24 0.00 12.04 2.43 0.13 58.15 06:43:01 AM 0 84.91 0.00 7.45 0.02 0.17 7.45 06:43:01 AM 1 8.13 0.00 13.68 4.55 0.12 73.51 06:43:01 AM 2 7.55 0.00 12.60 1.74 0.12 77.99 06:43:01 AM 3 7.30 0.00 14.52 3.45 0.12 74.61 06:44:01 AM all 32.18 0.00 3.04 2.32 0.12 62.35 06:44:01 AM 0 16.82 0.00 2.93 2.09 0.10 78.05 06:44:01 AM 1 13.06 0.00 2.23 1.07 0.12 83.52 06:44:01 AM 2 86.97 0.00 4.41 4.49 0.13 3.99 06:44:01 AM 3 11.84 0.00 2.59 1.61 0.12 83.85 06:45:01 AM all 29.28 0.00 1.53 0.11 0.10 68.98 06:45:01 AM 0 41.99 0.00 1.52 0.10 0.12 56.27 06:45:01 AM 1 15.08 0.00 1.30 0.13 0.10 83.38 06:45:01 AM 2 41.75 0.00 1.40 0.07 0.12 56.66 06:45:01 AM 3 18.25 0.00 1.89 0.13 0.08 79.64 Average: all 28.14 0.14 8.56 1.64 0.12 61.39 Average: 0 41.97 0.18 7.84 0.99 0.13 48.90 Average: 1 14.80 0.15 8.44 1.76 0.12 74.74 Average: 2 42.02 0.08 7.74 1.84 0.13 48.19 Average: 3 13.65 0.17 10.22 1.98 0.11 73.86