---> uname -a: Linux prd-centos8-builder-2c-4g-3176.novalocal 4.18.0-529.el8.x86_64 #1 SMP Wed Dec 6 01:03:46 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): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0,1 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 1.8G 0 1.8G 0% /dev tmpfs 1.8G 0 1.8G 0% /dev/shm tmpfs 1.8G 17M 1.8G 1% /run tmpfs 1.8G 0 1.8G 0% /sys/fs/cgroup /dev/vda1 20G 9.2G 11G 46% / tmpfs 367M 0 367M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3665 493 1036 17 2135 2895 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:37:84:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.32.7.231/23 brd 10.32.7.255 scope global dynamic noprefixroute eth0 valid_lft 85873sec preferred_lft 85873sec inet6 fe80::f816:3eff:fe37:8411/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 06/12/2026 _x86_64_ (2 CPU) 03:03:51 LINUX RESTART (2 CPU) 03:04:01 AM tps rtps wtps bread/s bwrtn/s 03:05:01 AM 253.88 188.43 65.45 15077.92 37565.18 03:06:01 AM 58.85 0.42 58.43 34.79 6458.93 03:07:01 AM 63.86 1.98 61.88 75.84 10328.16 03:08:01 AM 31.02 0.20 30.82 10.40 4295.07 03:09:01 AM 24.13 0.23 23.90 40.13 978.34 03:10:02 AM 18.34 0.03 18.31 1.73 442.45 03:11:01 AM 14.53 0.00 14.53 0.00 584.87 03:12:01 AM 17.73 0.90 16.83 46.39 459.39 Average: 60.40 24.09 36.32 1915.98 7656.26 03:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:05:01 AM 1646160 3097476 2107524 56.15 2104 1631112 587140 12.23 133600 1728756 61912 03:06:01 AM 1314336 3017368 2439348 64.99 2104 1870556 632236 13.17 148776 1998268 168544 03:07:01 AM 1139760 2995804 2613924 69.64 2104 2015240 614328 12.79 146508 2141124 69012 03:08:01 AM 1093956 2991088 2659728 70.86 2104 2055556 615792 12.82 180748 2150176 22104 03:09:01 AM 1083472 2980588 2670212 71.14 2104 2055768 632484 13.17 221132 2120992 7472 03:10:02 AM 988412 2925000 2765272 73.67 2104 2095244 691244 14.39 224952 2212716 46928 03:11:01 AM 1038988 2937132 2714696 72.32 2104 2056804 680764 14.18 222244 2164980 8492 03:12:01 AM 1033516 2933220 2720168 72.47 2104 2058200 678812 14.14 406492 1984996 8352 Average: 1167325 2984710 2586359 68.90 2104 1979810 641600 13.36 210556 2062751 49102 03:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:05:01 AM eth0 195.75 107.28 822.46 54.97 0.00 0.00 0.00 0.00 03:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 AM eth0 79.61 63.00 1098.47 6.66 0.00 0.00 0.00 0.00 03:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 AM eth0 38.25 31.72 380.29 5.15 0.00 0.00 0.00 0.00 03:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 AM eth0 43.22 33.32 657.04 5.60 0.00 0.00 0.00 0.00 03:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 AM eth0 10.61 13.30 12.58 5.43 0.00 0.00 0.00 0.00 03:10:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:02 AM eth0 10.86 12.84 8.29 6.11 0.00 0.00 0.00 0.00 03:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 AM eth0 11.57 11.96 10.16 3.27 0.00 0.00 0.00 0.00 03:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 AM eth0 16.65 15.18 17.12 7.56 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 50.91 36.13 376.60 11.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-529.el8.x86_64 (centos-stream-8-builder-7e611857-ce8d-42da-b0f0-357f5fb5fb5a.nov) 06/12/2026 _x86_64_ (2 CPU) 03:03:51 LINUX RESTART (2 CPU) 03:04:01 AM CPU %user %nice %system %iowait %steal %idle 03:05:01 AM all 39.41 0.07 14.26 13.79 4.98 27.48 03:05:01 AM 0 43.33 0.08 15.80 18.18 4.90 17.70 03:05:01 AM 1 35.50 0.07 12.73 9.40 5.06 37.25 03:06:01 AM all 36.15 0.00 4.45 1.55 3.46 54.38 03:06:01 AM 0 51.79 0.00 5.52 2.10 3.32 37.27 03:06:01 AM 1 20.76 0.00 3.40 1.01 3.60 71.23 03:07:01 AM all 38.50 0.00 4.14 2.77 3.46 51.13 03:07:01 AM 0 39.23 0.00 3.86 2.99 3.42 50.50 03:07:01 AM 1 37.78 0.00 4.42 2.54 3.50 51.76 03:08:01 AM all 31.21 0.00 2.93 0.93 2.63 62.31 03:08:01 AM 0 34.24 0.00 3.66 0.68 2.51 58.91 03:08:01 AM 1 28.20 0.00 2.20 1.18 2.74 65.68 03:09:01 AM all 37.01 0.00 2.09 0.88 3.08 56.95 03:09:01 AM 0 40.21 0.00 2.45 1.12 2.98 53.24 03:09:01 AM 1 33.81 0.00 1.72 0.64 3.17 60.65 03:10:02 AM all 38.25 0.00 2.34 0.22 3.07 56.13 03:10:02 AM 0 58.32 0.00 2.86 0.36 3.27 35.19 03:10:02 AM 1 18.38 0.00 1.82 0.08 2.86 76.86 03:11:01 AM all 31.98 0.00 2.43 0.60 2.92 62.06 03:11:01 AM 0 52.04 0.00 3.67 0.68 2.42 41.20 03:11:01 AM 1 12.36 0.00 1.22 0.53 3.42 82.46 03:12:01 AM all 38.41 0.00 2.74 0.62 3.42 54.81 03:12:01 AM 0 57.07 0.00 3.51 0.69 3.33 35.40 03:12:01 AM 1 19.99 0.00 1.99 0.55 3.50 73.97 Average: all 36.37 0.01 4.42 2.66 3.38 53.16 Average: 0 47.01 0.01 5.17 3.35 3.27 41.19 Average: 1 25.83 0.01 3.68 1.98 3.48 65.02