---> uname -a: Linux prd-centos8-docker-8c-8g-14305.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 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): 0-7 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: 31888 1011 28271 19 2604 30425 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:39:32:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe39:329e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7c:b7:1b:0b 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/22/2026 _x86_64_ (8 CPU) 05:18:05 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 181.06 2.87 178.19 364.41 16033.86 05:21:01 AM 134.31 2.52 131.79 940.75 5351.45 05:22:01 AM 68.16 1.45 66.71 145.55 6096.05 Average: 127.84 2.28 125.56 483.57 9160.45 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28379660 30318892 4273712 13.09 2688 2252560 2743788 8.14 169208 3621620 50804 05:21:01 AM 27282168 29437632 5371204 16.45 2688 2462276 2969588 8.81 231936 4627460 107620 05:22:01 AM 28923436 31130216 3729936 11.42 2688 2511592 1481636 4.40 424820 2795216 25444 Average: 28195088 30295580 4458284 13.65 2688 2408809 2398337 7.12 275321 3681432 61289 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 216.89 190.90 1753.76 56.37 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 196.20 175.81 2106.05 32.18 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 152.10 152.82 349.93 166.72 0.00 0.00 0.00 0.00 05:22:01 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 188.40 173.18 1403.25 85.09 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/22/2026 _x86_64_ (8 CPU) 05:18:05 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 17.00 0.00 1.35 0.60 0.08 80.97 05:20:01 AM 0 18.57 0.00 1.14 0.23 0.08 79.98 05:20:01 AM 1 15.92 0.00 0.95 0.67 0.08 82.38 05:20:01 AM 2 16.58 0.00 1.41 1.15 0.08 80.78 05:20:01 AM 3 16.57 0.00 1.54 0.33 0.08 81.47 05:20:01 AM 4 7.42 0.00 0.85 0.79 0.08 90.86 05:20:01 AM 5 34.97 0.00 2.24 0.75 0.07 61.97 05:20:01 AM 6 8.68 0.00 1.52 0.54 0.08 89.18 05:20:01 AM 7 17.27 0.00 1.12 0.35 0.07 81.19 05:21:01 AM all 42.16 0.00 1.49 0.32 0.09 55.93 05:21:01 AM 0 49.03 0.00 0.98 0.02 0.10 49.87 05:21:01 AM 1 35.98 0.00 1.47 0.63 0.10 61.82 05:21:01 AM 2 39.51 0.00 1.89 0.85 0.10 57.64 05:21:01 AM 3 46.53 0.00 2.52 0.35 0.10 50.50 05:21:01 AM 4 40.26 0.00 1.20 0.18 0.08 58.27 05:21:01 AM 5 46.80 0.00 1.39 0.37 0.10 51.35 05:21:01 AM 6 44.25 0.00 1.30 0.13 0.08 54.23 05:21:01 AM 7 34.92 0.00 1.17 0.05 0.08 63.78 05:22:01 AM all 22.93 0.00 1.39 0.15 0.07 75.46 05:22:01 AM 0 21.41 0.00 1.54 0.03 0.07 76.95 05:22:01 AM 1 43.11 0.00 2.54 0.43 0.07 53.85 05:22:01 AM 2 25.33 0.00 1.22 0.07 0.07 73.32 05:22:01 AM 3 18.78 0.00 1.25 0.03 0.07 79.87 05:22:01 AM 4 15.53 0.00 0.95 0.05 0.05 83.42 05:22:01 AM 5 12.27 0.00 1.25 0.37 0.08 86.02 05:22:01 AM 6 31.76 0.00 1.25 0.12 0.07 66.81 05:22:01 AM 7 15.30 0.00 1.09 0.13 0.08 83.40 Average: all 27.37 0.00 1.41 0.36 0.08 70.78 Average: 0 29.68 0.00 1.22 0.09 0.08 68.92 Average: 1 31.66 0.00 1.65 0.58 0.08 66.02 Average: 2 27.14 0.00 1.50 0.69 0.08 70.58 Average: 3 27.30 0.00 1.77 0.24 0.08 70.60 Average: 4 21.07 0.00 1.00 0.34 0.07 77.52 Average: 5 31.35 0.00 1.63 0.50 0.08 66.44 Average: 6 28.25 0.00 1.36 0.26 0.08 70.05 Average: 7 22.49 0.00 1.13 0.18 0.08 76.13