---> uname -a: Linux prd-centos8-docker-8c-8g-20121.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 1011 28257 19 2621 30432 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:00:63:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.252/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86177sec preferred_lft 86177sec inet6 fe80::f816:3eff:fe00:637a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:61:dd:55:e3 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) 02/25/2026 _x86_64_ (8 CPU) 15:21:33 LINUX RESTART (8 CPU) 03:22:03 PM tps rtps wtps bread/s bwrtn/s 03:23:01 PM 94.92 22.10 72.82 5674.46 5432.49 03:24:01 PM 219.18 17.38 201.80 3727.82 10813.60 03:25:01 PM 139.28 2.23 137.04 562.44 13643.98 Average: 151.76 13.81 137.94 3295.30 10014.04 03:22:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:23:01 PM 29607040 31204576 3048672 9.34 2688 1929240 1552532 4.61 162664 2488580 134012 03:24:01 PM 28703672 30715836 3952040 12.10 2688 2326848 1874676 5.56 212528 3266372 177140 03:25:01 PM 29018468 31245536 3637244 11.14 2688 2536784 1417164 4.20 436996 2710784 25528 Average: 29109727 31055316 3545985 10.86 2688 2264291 1614791 4.79 270729 2821912 112227 03:22:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 PM eth0 384.80 278.54 1816.88 79.28 0.00 0.00 0.00 0.00 03:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 PM eth0 252.12 209.73 2579.41 35.18 0.00 0.00 0.00 0.00 03:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 PM eth0 237.34 175.27 2969.58 27.12 0.00 0.00 0.00 0.00 03:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 290.37 220.54 2462.43 46.83 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) 02/25/2026 _x86_64_ (8 CPU) 15:21:33 LINUX RESTART (8 CPU) 03:22:03 PM CPU %user %nice %system %iowait %steal %idle 03:23:01 PM all 9.18 0.00 1.47 1.54 0.06 87.75 03:23:01 PM 0 3.43 0.00 1.54 2.53 0.07 92.43 03:23:01 PM 1 18.84 0.00 1.83 2.97 0.05 76.30 03:23:01 PM 2 6.38 0.00 1.51 1.49 0.05 90.57 03:23:01 PM 3 7.38 0.00 1.19 0.47 0.05 90.91 03:23:01 PM 4 14.47 0.00 2.11 0.57 0.05 82.79 03:23:01 PM 5 13.03 0.00 1.51 1.63 0.07 83.76 03:23:01 PM 6 4.88 0.00 1.06 1.33 0.07 92.66 03:23:01 PM 7 5.01 0.00 1.02 1.35 0.05 92.57 03:24:01 PM all 17.18 0.00 1.22 1.98 0.08 79.54 03:24:01 PM 0 12.39 0.00 0.62 0.40 0.07 86.52 03:24:01 PM 1 30.23 0.00 1.87 3.58 0.15 64.16 03:24:01 PM 2 15.07 0.00 1.59 2.29 0.08 80.96 03:24:01 PM 3 13.61 0.00 0.70 0.25 0.07 85.37 03:24:01 PM 4 15.75 0.00 1.29 2.51 0.10 80.36 03:24:01 PM 5 16.59 0.00 1.12 0.59 0.07 81.63 03:24:01 PM 6 11.37 0.00 1.37 1.79 0.05 85.42 03:24:01 PM 7 22.45 0.00 1.17 4.41 0.07 71.91 03:25:01 PM all 24.70 0.00 1.11 1.43 0.08 72.68 03:25:01 PM 0 24.74 0.00 0.75 0.97 0.08 73.45 03:25:01 PM 1 31.22 0.00 1.87 2.79 0.08 64.04 03:25:01 PM 2 21.86 0.00 0.64 3.01 0.07 74.43 03:25:01 PM 3 26.79 0.00 1.97 1.54 0.08 69.62 03:25:01 PM 4 27.43 0.00 1.02 0.87 0.08 70.60 03:25:01 PM 5 20.23 0.00 0.72 0.18 0.07 78.80 03:25:01 PM 6 21.88 0.00 1.02 1.94 0.08 75.08 03:25:01 PM 7 23.44 0.00 0.89 0.13 0.07 75.47 Average: all 17.11 0.00 1.26 1.65 0.07 79.90 Average: 0 13.64 0.00 0.97 1.29 0.07 84.04 Average: 1 26.85 0.00 1.86 3.12 0.10 68.08 Average: 2 14.53 0.00 1.24 2.27 0.07 81.88 Average: 3 16.03 0.00 1.29 0.75 0.07 81.86 Average: 4 19.27 0.00 1.47 1.33 0.08 77.86 Average: 5 16.66 0.00 1.11 0.79 0.07 81.37 Average: 6 12.80 0.00 1.15 1.69 0.07 84.29 Average: 7 17.10 0.00 1.02 1.97 0.06 79.84