---> uname -a: Linux prd-centos8-docker-8c-8g-2498.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 997 28437 19 2455 30444 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:cd:68:de brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.4/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fecd:68de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:2d:cc:2c 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) 03/17/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 160.20 2.92 157.28 347.08 9898.77 05:20:01 AM 188.87 2.50 186.37 940.51 9222.35 05:21:01 AM 78.84 2.88 75.96 138.35 6408.06 Average: 142.63 2.77 139.87 475.29 8509.69 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29215296 30987228 3440416 10.54 2688 2089048 2006748 5.95 161728 2817308 133392 05:20:01 AM 27218808 29222128 5436904 16.65 2688 2313008 3219952 9.55 225696 4711080 111540 05:21:01 AM 29108468 31162576 3547244 10.86 2688 2361272 1481488 4.40 412796 2636424 25236 Average: 28514191 30457311 4141521 12.68 2688 2254443 2236063 6.63 266740 3388271 90056 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 188.17 161.45 1684.80 51.91 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 238.18 206.48 2361.09 36.98 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 163.68 163.10 349.74 170.85 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 196.67 177.01 1465.16 86.58 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) 03/17/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 15.57 0.00 1.32 0.50 0.06 82.54 05:19:01 AM 0 15.74 0.00 0.87 0.07 0.07 83.26 05:19:01 AM 1 20.98 0.00 2.42 1.04 0.05 75.51 05:19:01 AM 2 13.74 0.00 1.20 0.79 0.07 84.21 05:19:01 AM 3 9.33 0.00 0.89 0.07 0.08 89.63 05:19:01 AM 4 16.07 0.00 0.78 0.40 0.07 82.68 05:19:01 AM 5 18.41 0.00 1.95 0.42 0.05 79.17 05:19:01 AM 6 11.80 0.00 1.30 0.42 0.05 86.43 05:19:01 AM 7 18.51 0.00 1.17 0.82 0.03 79.47 05:20:01 AM all 42.79 0.00 1.52 0.49 0.09 55.11 05:20:01 AM 0 45.40 0.00 1.65 0.27 0.08 52.60 05:20:01 AM 1 38.77 0.00 1.82 1.14 0.10 58.17 05:20:01 AM 2 36.59 0.00 1.42 0.32 0.08 61.59 05:20:01 AM 3 44.29 0.00 1.49 0.33 0.08 53.81 05:20:01 AM 4 38.71 0.00 1.59 0.64 0.08 58.99 05:20:01 AM 5 38.71 0.00 1.65 0.47 0.07 59.10 05:20:01 AM 6 42.43 0.00 1.40 0.55 0.08 55.53 05:20:01 AM 7 57.45 0.00 1.10 0.23 0.10 41.11 05:21:01 AM all 25.18 0.00 1.42 0.17 0.08 73.15 05:21:01 AM 0 19.43 0.00 1.19 0.02 0.08 79.28 05:21:01 AM 1 23.46 0.00 1.50 0.18 0.08 74.77 05:21:01 AM 2 31.26 0.00 1.64 0.18 0.08 66.83 05:21:01 AM 3 23.10 0.00 1.05 0.05 0.07 75.73 05:21:01 AM 4 36.16 0.00 1.79 0.07 0.08 61.90 05:21:01 AM 5 25.21 0.00 1.53 0.63 0.08 72.54 05:21:01 AM 6 15.19 0.00 1.30 0.17 0.08 83.26 05:21:01 AM 7 27.59 0.00 1.38 0.05 0.05 70.92 Average: all 27.85 0.00 1.42 0.39 0.07 70.27 Average: 0 26.85 0.00 1.24 0.12 0.08 71.72 Average: 1 27.74 0.00 1.92 0.79 0.08 69.48 Average: 2 27.20 0.00 1.42 0.43 0.08 70.87 Average: 3 25.59 0.00 1.14 0.15 0.08 73.04 Average: 4 30.31 0.00 1.39 0.37 0.08 67.86 Average: 5 27.44 0.00 1.71 0.51 0.07 70.27 Average: 6 23.13 0.00 1.34 0.38 0.07 75.08 Average: 7 34.51 0.00 1.22 0.37 0.06 63.84