---> uname -a: Linux prd-centos8-builder-4c-4g-40064.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: 2799.998 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 9.2G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 751 12228 19 2782 14664 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:34:a1:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.221/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe34:a102/64 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) 08/22/2025 _x86_64_ (4 CPU) 15:50:29 LINUX RESTART (4 CPU) 03:51:01 PM tps rtps wtps bread/s bwrtn/s 03:52:01 PM 233.86 107.88 125.97 4152.08 8912.43 03:53:01 PM 350.97 6.48 344.49 1368.38 15073.90 03:54:01 PM 153.62 0.55 153.07 79.97 10937.94 Average: 246.15 38.30 207.85 1866.79 11641.61 03:51:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 PM 13129396 14986496 3012136 18.66 2688 2056948 1168844 6.80 195856 2423448 186500 03:53:01 PM 11627520 13756396 4514012 27.97 2688 2321652 1996976 11.62 309204 3771284 58828 03:54:01 PM 12462608 14949744 3678924 22.79 2688 2674852 947084 5.51 513312 2718212 147396 Average: 12406508 14564212 3735024 23.14 2688 2351151 1370968 7.98 339457 2970981 130908 03:51:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 PM eth0 90.70 72.69 1301.30 18.18 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 284.32 240.55 3202.22 36.29 0.00 0.00 0.00 0.00 03:54:01 PM lo 933.71 933.71 936.73 936.73 0.00 0.00 0.00 0.00 03:54:01 PM eth0 229.81 157.00 3442.27 22.74 0.00 0.00 0.00 0.00 Average: lo 311.22 311.22 312.23 312.23 0.00 0.00 0.00 0.00 Average: eth0 201.62 156.75 2648.63 25.74 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) 08/22/2025 _x86_64_ (4 CPU) 15:50:29 LINUX RESTART (4 CPU) 03:51:01 PM CPU %user %nice %system %iowait %steal %idle 03:52:01 PM all 21.86 0.83 11.94 2.10 0.12 63.15 03:52:01 PM 0 17.51 0.67 9.56 2.26 0.13 69.87 03:52:01 PM 1 30.50 1.09 14.70 1.85 0.13 51.73 03:52:01 PM 2 12.73 0.92 12.43 2.08 0.12 71.72 03:52:01 PM 3 26.72 0.65 11.09 2.19 0.08 59.26 03:53:01 PM all 65.50 0.00 2.45 2.59 0.15 29.31 03:53:01 PM 0 56.00 0.00 3.03 3.05 0.15 37.77 03:53:01 PM 1 71.95 0.00 2.04 3.08 0.15 22.77 03:53:01 PM 2 63.76 0.00 2.26 2.13 0.15 31.70 03:53:01 PM 3 70.28 0.00 2.48 2.11 0.13 25.00 03:54:01 PM all 52.37 0.00 2.71 0.75 0.13 44.04 03:54:01 PM 0 53.88 0.00 2.02 0.53 0.12 43.45 03:54:01 PM 1 51.02 0.00 2.27 0.87 0.13 45.70 03:54:01 PM 2 42.64 0.00 3.17 1.24 0.13 52.82 03:54:01 PM 3 61.97 0.00 3.40 0.34 0.13 34.16 Average: all 46.58 0.28 5.70 1.81 0.13 45.50 Average: 0 42.46 0.22 4.87 1.95 0.13 50.37 Average: 1 51.19 0.36 6.33 1.93 0.14 40.05 Average: 2 39.73 0.31 5.95 1.82 0.13 52.06 Average: 3 52.97 0.22 5.66 1.55 0.12 39.48