---> uname -a: Linux prd-centos8-docker-8c-8g-9373.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: 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1045 26439 19 4405 30377 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:88:4e:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.215/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe88:4e3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:90:71:47:17 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 inet6 fe80::42:90ff:fe71:4717/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/10/2026 _x86_64_ (8 CPU) 07:30:40 LINUX RESTART (8 CPU) 07:31:02 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 253.70 20.84 232.86 4127.26 10127.46 07:33:01 AM 258.46 4.73 253.72 1125.55 19692.53 07:34:01 AM 286.67 16.44 270.23 5603.33 31374.63 Average: 266.35 13.97 252.38 3616.04 20455.03 07:31:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29201144 31093840 3454560 10.58 2688 2211752 1847064 5.48 158436 2842696 198100 07:33:01 AM 27300060 29751776 5355644 16.40 2688 2761140 2894752 8.59 274472 4578932 198592 07:34:01 AM 26290856 30207984 6364848 19.49 2688 4207584 2237568 6.64 744352 5053520 636464 Average: 27597353 30351200 5058351 15.49 2688 3060159 2326461 6.90 392420 4158383 344385 07:31:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 152.85 110.96 1917.67 35.22 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 880.02 503.88 7588.70 62.91 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.78 12.78 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1184.49 330.39 6529.82 40.77 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.78 5.96 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.28 4.28 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 742.35 316.20 5364.22 46.36 0.00 0.00 0.00 0.00 Average: docker0 1.60 2.00 0.22 0.23 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) 05/10/2026 _x86_64_ (8 CPU) 07:30:40 LINUX RESTART (8 CPU) 07:31:02 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 11.84 0.00 1.35 0.64 0.07 86.10 07:32:01 AM 0 14.62 0.00 1.31 0.58 0.08 83.42 07:32:01 AM 1 21.23 0.00 1.92 0.90 0.05 75.90 07:32:01 AM 2 3.12 0.00 0.63 0.34 0.08 95.83 07:32:01 AM 3 7.69 0.00 1.51 1.68 0.07 89.05 07:32:01 AM 4 23.85 0.00 2.68 0.46 0.08 72.92 07:32:01 AM 5 9.21 0.00 0.97 0.19 0.03 89.60 07:32:01 AM 6 4.76 0.00 0.80 0.46 0.08 93.90 07:32:01 AM 7 10.20 0.00 1.00 0.53 0.05 88.22 07:33:01 AM all 31.72 0.00 1.54 0.71 0.09 65.95 07:33:01 AM 0 15.79 0.00 1.61 0.79 0.08 81.73 07:33:01 AM 1 18.10 0.00 1.39 1.99 0.10 78.42 07:33:01 AM 2 44.12 0.00 1.06 0.37 0.08 54.37 07:33:01 AM 3 51.44 0.00 1.41 0.85 0.08 46.22 07:33:01 AM 4 28.70 0.00 1.69 0.22 0.08 69.30 07:33:01 AM 5 46.59 0.00 1.62 0.67 0.08 51.03 07:33:01 AM 6 25.24 0.00 1.98 0.39 0.08 72.31 07:33:01 AM 7 23.75 0.00 1.54 0.40 0.08 74.22 07:34:01 AM all 22.82 0.28 3.62 1.00 0.08 72.20 07:34:01 AM 0 18.11 0.49 3.42 0.29 0.08 77.62 07:34:01 AM 1 23.54 0.03 3.75 1.26 0.07 71.34 07:34:01 AM 2 18.85 0.05 4.38 1.55 0.08 75.09 07:34:01 AM 3 25.94 0.00 4.20 0.76 0.08 69.03 07:34:01 AM 4 21.89 0.00 3.06 0.32 0.08 74.64 07:34:01 AM 5 30.39 0.02 2.70 0.35 0.08 66.45 07:34:01 AM 6 26.15 0.05 3.78 0.54 0.08 69.40 07:34:01 AM 7 17.65 1.59 3.66 2.97 0.07 74.07 Average: all 22.17 0.09 2.17 0.79 0.08 74.71 Average: 0 16.17 0.16 2.11 0.55 0.08 80.92 Average: 1 20.95 0.01 2.35 1.39 0.07 75.22 Average: 2 22.11 0.02 2.02 0.75 0.08 75.01 Average: 3 28.47 0.00 2.37 1.10 0.08 67.98 Average: 4 24.82 0.00 2.48 0.33 0.08 72.28 Average: 5 28.82 0.01 1.77 0.40 0.07 68.93 Average: 6 18.76 0.02 2.19 0.46 0.08 78.49 Average: 7 17.23 0.53 2.07 1.30 0.07 78.81