---> uname -a: Linux prd-centos8-docker-4c-4g-8770.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1732 10016 19 4011 13679 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:14:e3:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86083sec preferred_lft 86083sec inet6 fe80::f816:3eff:fe14:e339/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:96:6c:c4:eb 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::42:96ff:fe6c:c4eb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/06/2026 _x86_64_ (4 CPU) 09:27:26 LINUX RESTART (4 CPU) 09:28:02 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 210.98 5.15 205.83 483.17 11394.70 09:30:00 AM 220.29 2.52 217.77 813.01 30409.67 09:30:01 AM 2123.23 0.00 2123.23 0.00 595346.46 09:31:01 AM 1139.45 95.09 1044.36 1697.42 28777.04 09:32:01 AM 64.99 25.08 39.91 480.05 3186.65 Average: 417.69 32.07 385.62 866.73 20812.29 09:28:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12502952 14622148 3636360 22.53 2688 2323588 1639264 9.54 167020 3061720 317848 09:30:00 AM 11111272 14041092 5028040 31.15 2688 3112064 2246908 13.07 364896 4173452 268612 09:30:01 AM 11089408 14040440 5049904 31.29 2688 3133660 1962040 11.42 365812 4187788 4316 09:31:01 AM 9615148 13281796 6524164 40.42 2688 3655412 2044192 11.89 415248 5191556 6772 09:32:01 AM 10337420 14078968 5801892 35.95 2688 3727116 1775916 10.33 521436 4379580 16 Average: 10931240 14012889 5208072 32.27 2688 3190368 1933664 11.25 366882 4198819 119513 09:28:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 239.35 197.37 3526.21 37.68 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 AM lo 6.22 6.22 4.58 4.58 0.00 0.00 0.00 0.00 09:30:00 AM eth0 347.47 261.82 5503.31 37.64 0.00 0.00 0.00 0.00 09:30:00 AM docker0 3.44 3.18 4.16 0.46 0.00 0.00 0.00 0.00 09:30:00 AM veth71534f0 0.17 0.46 0.01 0.04 0.00 0.00 0.00 0.00 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 293.94 224.24 3746.16 26.64 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 104.76 73.68 1025.60 13.10 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 212.23 131.79 404.04 181.42 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.54 1.54 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 225.67 165.88 2603.69 67.53 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.79 1.03 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/06/2026 _x86_64_ (4 CPU) 09:27:26 LINUX RESTART (4 CPU) 09:28:02 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 26.98 0.00 2.35 1.03 0.08 69.56 09:29:01 AM 0 24.31 0.00 1.83 0.70 0.08 73.08 09:29:01 AM 1 19.28 0.00 2.50 1.86 0.09 76.28 09:29:01 AM 2 32.14 0.00 2.60 0.95 0.07 64.23 09:29:01 AM 3 32.18 0.00 2.45 0.63 0.08 64.66 09:30:00 AM all 46.51 0.09 3.88 1.16 0.10 48.25 09:30:00 AM 0 48.58 0.19 4.16 1.42 0.10 45.55 09:30:00 AM 1 44.61 0.02 3.28 1.01 0.09 51.00 09:30:00 AM 2 45.18 0.10 4.01 0.68 0.10 49.92 09:30:00 AM 3 47.66 0.07 4.06 1.55 0.10 46.55 09:30:01 AM all 25.78 0.00 18.75 12.76 0.26 42.45 09:30:01 AM 0 16.49 0.00 18.56 6.19 1.03 57.73 09:30:01 AM 1 12.63 0.00 20.00 24.21 0.00 43.16 09:30:01 AM 2 41.67 0.00 22.92 19.79 0.00 15.62 09:30:01 AM 3 32.29 0.00 13.54 1.04 0.00 53.12 09:31:01 AM all 30.11 0.00 10.03 7.19 0.09 52.58 09:31:01 AM 0 32.75 0.00 10.03 5.17 0.08 51.97 09:31:01 AM 1 19.26 0.00 8.66 5.67 0.09 66.33 09:31:01 AM 2 45.00 0.00 10.75 9.95 0.10 34.20 09:31:01 AM 3 23.36 0.00 10.66 7.97 0.09 57.92 09:32:01 AM all 42.99 0.00 2.01 0.35 0.09 54.56 09:32:01 AM 0 39.40 0.00 1.50 0.42 0.08 58.59 09:32:01 AM 1 23.93 0.00 1.64 0.37 0.08 73.98 09:32:01 AM 2 36.07 0.00 2.52 0.25 0.07 61.09 09:32:01 AM 3 72.58 0.00 2.38 0.37 0.12 24.56 Average: all 36.62 0.02 4.61 2.47 0.09 56.18 Average: 0 36.17 0.05 4.43 1.94 0.09 57.32 Average: 1 26.68 0.00 4.08 2.31 0.08 66.85 Average: 2 39.59 0.03 5.04 3.02 0.08 52.24 Average: 3 44.02 0.02 4.91 2.61 0.10 48.35