---> uname -a: Linux prd-centos8-builder-4c-4g-2344.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 9.9G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 870 11357 19 3535 14544 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:a0:12:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.228/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fea0:12f9/64 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) 03/05/2026 _x86_64_ (4 CPU) 09:07:48 LINUX RESTART (4 CPU) 09:08:02 AM tps rtps wtps bread/s bwrtn/s 09:09:01 AM 441.74 160.48 281.26 6479.86 33571.25 09:10:01 AM 166.92 13.26 153.66 2218.83 13831.71 09:11:01 AM 726.41 0.03 726.38 0.53 30331.93 09:12:01 AM 430.59 0.02 430.57 13.60 17427.67 09:13:01 AM 76.69 2.72 73.97 682.02 3887.94 Average: 368.23 34.89 333.34 1863.83 19764.93 09:08:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:09:01 AM 13404932 15116836 2736600 16.95 2688 1917456 832268 4.84 185752 2179276 173588 09:10:01 AM 12343644 14391060 3797888 23.53 2688 2239748 1819116 10.58 212956 3142080 78376 09:11:01 AM 10041632 13225724 6099900 37.79 2688 3216052 2794948 16.26 216404 5100824 466292 09:12:01 AM 10257564 13452268 5883968 36.45 2688 3223296 2494400 14.51 258816 4807396 30396 09:13:01 AM 11583744 14840052 4557788 28.24 2688 3284012 884928 5.15 454876 3300680 57208 Average: 11526303 14205188 4615229 28.59 2688 2776113 1765132 10.27 265761 3706051 161172 09:08:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM eth0 337.05 180.87 1902.34 68.67 0.00 0.00 0.00 0.00 09:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM eth0 593.80 410.01 1968.47 143.56 0.00 0.00 0.00 0.00 09:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM eth0 1630.59 1419.40 5525.88 351.16 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 539.45 397.78 176.55 118.35 0.00 0.00 0.00 0.00 09:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM eth0 43.06 39.23 281.25 45.27 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 629.74 490.47 1971.06 145.65 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) 03/05/2026 _x86_64_ (4 CPU) 09:07:48 LINUX RESTART (4 CPU) 09:08:02 AM CPU %user %nice %system %iowait %steal %idle 09:09:01 AM all 23.02 1.54 16.48 4.19 0.13 54.64 09:09:01 AM 0 35.47 1.50 18.94 1.98 0.14 41.96 09:09:01 AM 1 22.84 1.45 15.91 6.15 0.14 53.52 09:09:01 AM 2 16.84 1.26 15.36 2.41 0.14 63.99 09:09:01 AM 3 16.93 1.95 15.70 6.22 0.12 59.09 09:10:01 AM all 19.87 0.00 2.18 1.34 0.12 76.49 09:10:01 AM 0 11.17 0.00 1.80 0.90 0.13 85.99 09:10:01 AM 1 14.41 0.00 2.93 1.81 0.12 80.74 09:10:01 AM 2 35.46 0.00 2.08 1.76 0.10 60.60 09:10:01 AM 3 18.45 0.00 1.91 0.89 0.12 78.63 09:11:01 AM all 24.25 0.00 8.74 5.42 0.16 61.43 09:11:01 AM 0 42.52 0.00 8.03 4.86 0.19 44.40 09:11:01 AM 1 6.85 0.00 9.77 4.49 0.14 78.76 09:11:01 AM 2 9.46 0.00 9.23 10.41 0.15 70.75 09:11:01 AM 3 38.21 0.00 7.93 1.90 0.17 51.79 09:12:01 AM all 31.06 0.00 2.02 20.97 0.16 45.78 09:12:01 AM 0 88.49 0.00 2.30 0.00 0.17 9.04 09:12:01 AM 1 10.14 0.00 1.88 37.37 0.18 50.43 09:12:01 AM 2 11.27 0.00 2.07 20.18 0.15 66.33 09:12:01 AM 3 15.58 0.00 1.84 25.89 0.13 56.55 09:13:01 AM all 27.18 0.00 1.23 1.98 0.11 69.50 09:13:01 AM 0 66.02 0.00 1.78 0.67 0.13 31.39 09:13:01 AM 1 13.22 0.00 1.29 6.44 0.12 78.94 09:13:01 AM 2 12.62 0.00 0.87 0.41 0.10 85.99 09:13:01 AM 3 16.73 0.00 0.97 0.35 0.10 81.85 Average: all 25.07 0.31 6.09 6.78 0.14 61.61 Average: 0 48.57 0.30 6.54 1.68 0.15 42.75 Average: 1 13.47 0.29 6.31 11.27 0.14 68.52 Average: 2 17.18 0.25 5.90 7.06 0.13 69.48 Average: 3 21.15 0.38 5.63 7.07 0.13 65.64