---> uname -a: Linux prd-centos8-docker-8c-8g-3393.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 1005 28370 19 2514 30435 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:3b:76:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.227/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe3b:76ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:41:0f:d0:56 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) 04/03/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 128.31 2.13 126.17 314.03 9152.70 05:20:01 AM 206.18 3.38 202.80 1007.80 11307.31 05:21:01 AM 75.57 2.67 72.91 99.43 5831.44 Average: 136.69 2.73 133.96 473.75 8763.82 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28748888 30546320 3906824 11.96 2688 2116144 2233176 6.63 157988 3292732 174432 05:20:01 AM 27409124 29425160 5246588 16.07 2688 2326340 2998928 8.90 221372 4527404 71176 05:21:01 AM 29039772 31153552 3615940 11.07 2688 2420432 1473096 4.37 413972 2702996 47436 Average: 28399261 30375011 4256451 13.03 2688 2287639 2235067 6.63 264444 3507711 97681 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 177.87 136.07 1595.38 45.33 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 265.56 229.72 2371.30 43.90 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 204.13 195.20 815.12 176.67 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 215.86 187.00 1593.93 88.63 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) 04/03/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 11.33 0.00 1.06 0.28 0.05 87.29 05:19:01 AM 0 6.97 0.00 0.92 0.50 0.07 91.55 05:19:01 AM 1 14.05 0.00 0.72 0.18 0.05 85.00 05:19:01 AM 2 20.51 0.00 1.77 0.48 0.05 77.18 05:19:01 AM 3 12.89 0.00 1.57 0.23 0.07 85.24 05:19:01 AM 4 12.04 0.00 1.05 0.25 0.05 86.61 05:19:01 AM 5 8.15 0.00 0.82 0.18 0.03 90.82 05:19:01 AM 6 3.51 0.00 0.48 0.15 0.05 95.81 05:19:01 AM 7 12.50 0.00 1.17 0.22 0.03 86.09 05:20:01 AM all 38.81 0.00 1.67 0.46 0.09 58.97 05:20:01 AM 0 32.43 0.00 1.76 0.53 0.08 65.20 05:20:01 AM 1 32.13 0.00 1.22 0.17 0.08 66.40 05:20:01 AM 2 50.26 0.00 1.64 0.23 0.10 47.77 05:20:01 AM 3 37.67 0.00 1.67 0.37 0.08 60.21 05:20:01 AM 4 44.75 0.00 1.77 0.50 0.10 52.88 05:20:01 AM 5 37.21 0.00 1.60 0.72 0.08 60.38 05:20:01 AM 6 36.04 0.00 1.94 0.33 0.08 61.61 05:20:01 AM 7 40.00 0.00 1.74 0.85 0.10 57.31 05:21:01 AM all 30.07 0.00 1.47 0.16 0.08 68.23 05:21:01 AM 0 25.87 0.00 1.39 0.05 0.08 72.61 05:21:01 AM 1 28.96 0.00 1.89 0.67 0.08 68.40 05:21:01 AM 2 22.35 0.00 1.45 0.10 0.07 76.03 05:21:01 AM 3 19.90 0.00 0.97 0.02 0.07 79.04 05:21:01 AM 4 31.11 0.00 1.67 0.07 0.07 67.09 05:21:01 AM 5 35.91 0.00 1.79 0.15 0.08 62.07 05:21:01 AM 6 46.99 0.00 1.84 0.12 0.08 50.98 05:21:01 AM 7 29.46 0.00 0.75 0.08 0.07 69.64 Average: all 26.73 0.00 1.40 0.30 0.07 71.50 Average: 0 21.75 0.00 1.35 0.36 0.08 76.45 Average: 1 25.04 0.00 1.28 0.34 0.07 73.27 Average: 2 31.04 0.00 1.62 0.27 0.07 67.00 Average: 3 23.48 0.00 1.40 0.21 0.07 74.83 Average: 4 29.29 0.00 1.50 0.27 0.07 68.86 Average: 5 27.09 0.00 1.40 0.35 0.07 71.09 Average: 6 28.84 0.00 1.42 0.20 0.07 69.47 Average: 7 27.30 0.00 1.22 0.38 0.07 71.03