---> uname -a: Linux prd-centos8-docker-8c-8g-410.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 1000 28366 19 2523 30440 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:e6:07:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fee6:757/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b1:4f:67:ee 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) 05/17/2026 _x86_64_ (8 CPU) 05:17:25 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 162.95 2.93 160.01 365.88 10521.31 05:20:01 AM 175.91 2.55 173.36 951.42 10204.45 05:21:01 AM 74.74 2.62 72.13 98.37 5891.20 Average: 137.87 2.70 135.17 471.89 8872.32 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28311504 30147024 4344208 13.30 2688 2153192 2900828 8.61 161364 3716604 172764 05:20:01 AM 27371828 29435816 5283884 16.18 2688 2373760 2976500 8.83 227540 4557924 109640 05:21:01 AM 29058628 31181224 3597084 11.02 2688 2429084 1484428 4.40 415076 2682412 42580 Average: 28247320 30254688 4408392 13.50 2688 2318679 2453919 7.28 267993 3652313 108328 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 198.12 165.56 2009.19 50.94 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 231.64 194.74 2409.02 38.47 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 163.60 162.13 346.45 170.16 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 197.78 174.14 1588.22 86.52 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) 05/17/2026 _x86_64_ (8 CPU) 05:17:25 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.64 0.00 1.28 0.39 0.05 85.64 05:19:01 AM 0 5.82 0.00 0.87 0.28 0.05 92.97 05:19:01 AM 1 17.07 0.00 1.20 0.69 0.07 80.98 05:19:01 AM 2 5.80 0.00 1.26 0.45 0.07 92.42 05:19:01 AM 3 9.38 0.00 0.87 0.67 0.05 89.03 05:19:01 AM 4 24.55 0.00 2.35 0.62 0.05 72.43 05:19:01 AM 5 9.91 0.00 1.15 0.10 0.05 88.78 05:19:01 AM 6 12.34 0.00 1.24 0.13 0.05 86.24 05:19:01 AM 7 16.18 0.00 1.27 0.20 0.05 82.30 05:20:01 AM all 41.51 0.00 1.66 0.47 0.08 56.28 05:20:01 AM 0 23.27 0.00 1.35 0.30 0.08 74.99 05:20:01 AM 1 43.41 0.00 2.06 0.95 0.08 53.49 05:20:01 AM 2 44.45 0.00 1.79 0.23 0.10 53.43 05:20:01 AM 3 55.61 0.00 2.27 0.55 0.07 41.50 05:20:01 AM 4 49.45 0.00 1.40 0.22 0.07 48.86 05:20:01 AM 5 28.82 0.00 1.34 0.74 0.07 69.04 05:20:01 AM 6 44.84 0.00 1.49 0.27 0.08 53.32 05:20:01 AM 7 42.25 0.00 1.57 0.53 0.10 55.55 05:21:01 AM all 29.89 0.00 1.69 0.16 0.07 68.19 05:21:01 AM 0 38.13 0.00 2.04 0.10 0.07 59.67 05:21:01 AM 1 30.23 0.00 1.37 0.03 0.07 68.30 05:21:01 AM 2 38.28 0.00 2.16 0.17 0.08 59.31 05:21:01 AM 3 28.41 0.00 1.91 0.53 0.08 69.06 05:21:01 AM 4 31.53 0.00 1.77 0.13 0.07 66.50 05:21:01 AM 5 15.93 0.00 1.40 0.12 0.07 82.48 05:21:01 AM 6 27.57 0.00 1.39 0.05 0.07 70.93 05:21:01 AM 7 29.03 0.00 1.51 0.13 0.08 69.25 Average: all 28.01 0.00 1.54 0.34 0.07 70.03 Average: 0 22.41 0.00 1.42 0.23 0.07 75.88 Average: 1 30.24 0.00 1.54 0.56 0.07 67.59 Average: 2 29.54 0.00 1.73 0.28 0.08 68.35 Average: 3 31.13 0.00 1.68 0.59 0.07 66.53 Average: 4 35.18 0.00 1.84 0.32 0.06 62.60 Average: 5 18.22 0.00 1.30 0.32 0.06 80.10 Average: 6 28.25 0.00 1.37 0.15 0.07 70.16 Average: 7 29.14 0.00 1.45 0.29 0.08 69.04