---> uname -a: Linux prd-centos8-docker-8c-8g-4627.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 985 28390 19 2514 30456 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:2b:43:c6 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 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe2b:43c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ea:c0:78:3c 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) 03/25/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 127.58 2.13 125.45 313.92 10690.84 05:20:01 AM 210.15 3.38 206.76 997.80 10570.48 05:21:01 AM 75.97 2.63 73.34 94.92 5947.33 Average: 137.90 2.72 135.19 468.88 9069.90 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28792036 30589716 3863676 11.83 2688 2116204 2291792 6.80 158728 3248504 156684 05:20:01 AM 27182952 29197800 5472760 16.76 2688 2325548 3556960 10.55 221200 4755388 83940 05:21:01 AM 29071852 31184820 3583860 10.97 2688 2420712 1479924 4.39 243496 2842892 57676 Average: 28348947 30324112 4306765 13.19 2688 2287488 2442892 7.25 207808 3615595 99433 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 160.69 130.08 1586.67 43.08 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 238.37 211.01 2376.52 41.19 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 178.40 172.09 802.82 169.34 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 192.49 171.06 1588.72 84.53 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) 03/25/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 10.55 0.00 0.98 0.40 0.07 88.00 05:19:01 AM 0 6.71 0.00 0.60 0.32 0.08 92.29 05:19:01 AM 1 19.62 0.00 2.12 0.50 0.08 77.67 05:19:01 AM 2 7.59 0.00 0.70 0.58 0.07 91.06 05:19:01 AM 3 12.32 0.00 0.92 0.40 0.08 86.27 05:19:01 AM 4 11.68 0.00 0.89 0.12 0.08 87.23 05:19:01 AM 5 12.45 0.00 1.02 0.48 0.05 86.00 05:19:01 AM 6 9.32 0.00 0.99 0.67 0.05 88.98 05:19:01 AM 7 4.69 0.00 0.62 0.15 0.07 94.48 05:20:01 AM all 38.99 0.00 1.67 0.79 0.11 58.44 05:20:01 AM 0 47.07 0.00 0.85 0.12 0.10 51.86 05:20:01 AM 1 45.01 0.00 1.49 0.33 0.12 53.05 05:20:01 AM 2 33.85 0.00 2.19 1.39 0.12 62.45 05:20:01 AM 3 36.38 0.00 2.59 0.85 0.12 60.06 05:20:01 AM 4 30.35 0.00 1.27 0.75 0.10 67.53 05:20:01 AM 5 30.73 0.00 1.46 0.33 0.12 67.36 05:20:01 AM 6 39.16 0.00 1.67 1.45 0.10 57.61 05:20:01 AM 7 49.33 0.00 1.80 1.12 0.10 47.64 05:21:01 AM all 32.89 0.00 1.60 0.29 0.10 65.12 05:21:01 AM 0 27.57 0.00 1.40 0.15 0.10 70.78 05:21:01 AM 1 30.79 0.00 1.20 0.23 0.10 67.67 05:21:01 AM 2 31.74 0.00 1.64 0.49 0.10 66.04 05:21:01 AM 3 48.81 0.00 2.09 0.25 0.10 48.75 05:21:01 AM 4 38.99 0.00 1.99 0.35 0.12 58.55 05:21:01 AM 5 32.84 0.00 1.54 0.15 0.10 65.37 05:21:01 AM 6 24.76 0.00 1.35 0.20 0.12 73.57 05:21:01 AM 7 27.61 0.00 1.57 0.50 0.10 70.22 Average: all 27.47 0.00 1.42 0.50 0.09 70.53 Average: 0 27.10 0.00 0.95 0.19 0.09 71.65 Average: 1 31.81 0.00 1.61 0.36 0.10 66.13 Average: 2 24.37 0.00 1.51 0.82 0.09 73.20 Average: 3 32.50 0.00 1.87 0.50 0.10 65.04 Average: 4 27.00 0.00 1.38 0.41 0.10 71.11 Average: 5 25.33 0.00 1.34 0.32 0.09 72.92 Average: 6 24.41 0.00 1.34 0.77 0.09 73.39 Average: 7 27.20 0.00 1.33 0.59 0.09 70.79