---> uname -a: Linux prd-centos8-docker-8c-8g-5130.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1003 28372 19 2513 30437 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:79:b1:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.173/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86172sec preferred_lft 86172sec inet6 fe80::f816:3eff:fe79:b18b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:60:e4:a7:02 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/26/2026 _x86_64_ (8 CPU) 05:17:16 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 218.81 3.65 215.16 642.16 13832.13 05:20:01 AM 130.39 1.73 128.66 663.89 7710.10 05:21:01 AM 71.91 2.83 69.08 130.49 5009.28 Average: 140.37 2.74 137.63 478.83 8850.29 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 27943884 29844980 4711828 14.43 2688 2215736 2873632 8.53 175936 4058240 100728 05:20:01 AM 27271812 29355524 5383900 16.49 2688 2393056 2997452 8.89 235060 4646928 68464 05:21:01 AM 29065608 31180044 3590104 10.99 2688 2421408 1415304 4.20 424372 2666628 8484 Average: 28093768 30126849 4561944 13.97 2688 2343400 2428796 7.21 278456 3790599 59225 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 270.60 238.63 2269.29 55.67 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 165.24 138.13 1570.44 30.68 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 172.49 164.38 271.74 173.13 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 202.78 180.38 1370.43 86.50 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/26/2026 _x86_64_ (8 CPU) 05:17:16 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 20.81 0.00 1.53 0.58 0.06 77.02 05:19:01 AM 0 10.48 0.00 1.50 0.53 0.07 87.41 05:19:01 AM 1 17.66 0.00 2.20 0.93 0.05 79.15 05:19:01 AM 2 29.37 0.00 1.94 0.72 0.07 67.91 05:19:01 AM 3 16.47 0.00 1.54 0.27 0.05 81.68 05:19:01 AM 4 23.54 0.00 1.72 1.04 0.05 73.65 05:19:01 AM 5 20.89 0.00 1.54 0.48 0.07 77.03 05:19:01 AM 6 28.44 0.00 1.04 0.43 0.05 70.04 05:19:01 AM 7 19.64 0.00 0.79 0.20 0.07 79.31 05:20:01 AM all 44.03 0.00 1.44 0.33 0.08 54.12 05:20:01 AM 0 47.35 0.00 1.27 0.07 0.08 51.23 05:20:01 AM 1 41.11 0.00 1.17 0.37 0.08 57.27 05:20:01 AM 2 33.41 0.00 1.87 0.69 0.08 63.95 05:20:01 AM 3 47.44 0.00 1.57 0.28 0.08 50.63 05:20:01 AM 4 39.15 0.00 1.64 0.45 0.08 58.68 05:20:01 AM 5 40.13 0.00 1.50 0.40 0.07 57.90 05:20:01 AM 6 49.93 0.00 1.12 0.20 0.08 48.66 05:20:01 AM 7 53.70 0.00 1.40 0.15 0.08 44.66 05:21:01 AM all 17.59 0.00 1.34 0.13 0.06 80.89 05:21:01 AM 0 18.70 0.00 1.63 0.12 0.07 79.49 05:21:01 AM 1 30.54 0.00 2.55 0.40 0.07 66.44 05:21:01 AM 2 21.16 0.00 1.09 0.17 0.05 77.53 05:21:01 AM 3 19.68 0.00 1.15 0.10 0.07 79.00 05:21:01 AM 4 12.46 0.00 1.05 0.08 0.05 86.35 05:21:01 AM 5 16.54 0.00 1.29 0.10 0.05 82.03 05:21:01 AM 6 14.25 0.00 1.04 0.05 0.05 84.61 05:21:01 AM 7 7.33 0.00 0.90 0.03 0.05 91.68 Average: all 27.48 0.00 1.44 0.34 0.07 70.68 Average: 0 25.51 0.00 1.47 0.24 0.07 72.70 Average: 1 29.77 0.00 1.98 0.57 0.07 67.62 Average: 2 27.98 0.00 1.63 0.52 0.07 69.80 Average: 3 27.87 0.00 1.42 0.22 0.07 70.42 Average: 4 25.05 0.00 1.47 0.52 0.06 72.89 Average: 5 25.85 0.00 1.44 0.33 0.06 72.32 Average: 6 30.88 0.00 1.06 0.23 0.06 67.77 Average: 7 26.89 0.00 1.03 0.13 0.07 71.88