---> uname -a: Linux prd-centos8-docker-8c-8g-396.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1048 26479 19 4361 30375 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:d5:3a:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.193/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fed5:3a14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:92:e5:19:a6 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 inet6 fe80::42:92ff:fee5:19a6/64 scope link 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) 02:29:05 LINUX RESTART (8 CPU) 02:30:02 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 221.38 16.96 204.42 3252.32 14157.40 02:32:01 AM 178.22 4.07 174.16 1125.22 23490.44 02:33:01 AM 131.59 17.49 114.10 5567.48 30659.66 Average: 176.82 12.82 164.00 3315.36 22817.26 02:30:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 29007884 30973856 3647828 11.17 2688 2281868 1642944 4.87 194636 2983032 72188 02:32:01 AM 26424716 29521380 6230996 19.08 2688 3393624 2834176 8.41 323912 5362320 487748 02:33:01 AM 27163552 31151036 5492160 16.82 2688 4277480 1482828 4.40 872852 4058544 344016 Average: 27532051 30548757 5123661 15.69 2688 3317657 1986649 5.89 463800 4134632 301317 02:30:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 198.73 167.06 2021.45 47.57 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1720.83 609.58 11282.54 55.50 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.80 11.80 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 153.68 156.98 1386.25 1255.73 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.32 5.45 0.62 0.63 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 693.83 312.01 4912.80 455.19 0.00 0.00 0.00 0.00 Average: docker0 1.45 1.83 0.21 0.21 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) 02:29:05 LINUX RESTART (8 CPU) 02:30:02 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 13.06 0.00 1.33 1.77 0.09 83.74 02:31:01 AM 0 8.12 0.00 0.87 0.82 0.09 90.10 02:31:01 AM 1 16.58 0.00 1.00 0.71 0.08 81.61 02:31:01 AM 2 17.01 0.00 2.07 2.36 0.09 78.47 02:31:01 AM 3 14.20 0.00 1.86 1.53 0.10 82.31 02:31:01 AM 4 17.78 0.00 1.12 3.75 0.09 77.26 02:31:01 AM 5 12.89 0.00 1.02 0.90 0.10 85.08 02:31:01 AM 6 15.04 0.00 1.75 2.94 0.09 80.17 02:31:01 AM 7 2.43 0.00 0.93 1.14 0.09 95.42 02:32:01 AM all 27.75 0.00 2.37 1.08 0.12 68.69 02:32:01 AM 0 27.33 0.00 2.39 0.13 0.10 70.05 02:32:01 AM 1 27.52 0.00 2.20 0.52 0.13 69.62 02:32:01 AM 2 24.85 0.00 2.15 1.77 0.12 71.12 02:32:01 AM 3 35.96 0.00 1.75 0.03 0.10 62.16 02:32:01 AM 4 22.42 0.00 2.95 0.81 0.12 73.70 02:32:01 AM 5 38.99 0.00 2.99 3.13 0.14 54.76 02:32:01 AM 6 28.88 0.00 2.22 0.39 0.12 68.40 02:32:01 AM 7 16.08 0.00 2.31 1.87 0.10 79.63 02:33:01 AM all 21.34 0.28 2.49 1.43 0.10 74.36 02:33:01 AM 0 15.26 0.03 2.36 1.86 0.12 80.36 02:33:01 AM 1 29.27 0.02 2.57 1.96 0.10 66.08 02:33:01 AM 2 22.97 0.03 2.50 0.65 0.10 73.75 02:33:01 AM 3 19.79 0.00 2.60 1.92 0.10 75.59 02:33:01 AM 4 24.04 0.00 2.36 1.11 0.08 72.41 02:33:01 AM 5 17.92 2.07 2.89 2.72 0.12 74.29 02:33:01 AM 6 21.65 0.05 2.43 0.96 0.08 74.83 02:33:01 AM 7 19.78 0.02 2.23 0.29 0.10 77.58 Average: all 20.76 0.09 2.07 1.43 0.10 75.55 Average: 0 17.01 0.01 1.89 0.94 0.10 80.05 Average: 1 24.49 0.01 1.93 1.07 0.11 72.40 Average: 2 21.63 0.01 2.24 1.59 0.10 74.43 Average: 3 23.34 0.00 2.07 1.16 0.10 73.32 Average: 4 21.43 0.00 2.15 1.88 0.10 74.44 Average: 5 23.27 0.69 2.30 2.25 0.12 71.36 Average: 6 21.88 0.02 2.14 1.42 0.10 74.45 Average: 7 12.90 0.01 1.84 1.10 0.10 84.06