---> uname -a: Linux prd-centos8-docker-4c-4g-4856.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): 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: 2800.000 BogoMIPS: 5600.00 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 848 11176 19 3738 14565 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:05:ea:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.168/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85860sec preferred_lft 85860sec inet6 fe80::f816:3eff:fe05:eaa0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:91:8c:cb 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::42:4dff:fe91:8ccb/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) 03/25/2026 _x86_64_ (4 CPU) 11:29:19 LINUX RESTART (4 CPU) 11:30:01 AM tps rtps wtps bread/s bwrtn/s 11:31:02 AM 180.32 15.23 165.09 3112.03 10499.42 11:32:01 AM 175.25 5.89 169.36 964.55 11159.44 11:33:01 AM 80.04 1.33 78.71 85.04 8332.51 11:34:01 AM 3.57 0.00 3.57 0.00 251.27 11:35:01 AM 54.21 3.26 50.95 587.21 13679.45 11:36:01 AM 45.73 0.12 45.61 1.47 4988.81 11:37:01 AM 195.47 5.31 190.15 5271.10 16656.61 11:38:01 AM 116.86 8.41 108.45 1035.52 3951.40 Average: 106.30 4.94 101.35 1382.99 8685.44 11:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:31:02 AM 12946140 14985728 3195392 19.80 2688 2247224 1411024 8.21 199316 2606548 177220 11:32:01 AM 11706476 13922196 4435056 27.48 2688 2417884 1899972 11.05 247400 3769796 42904 11:33:01 AM 10220924 12632784 5920608 36.68 2688 2611032 3050924 17.75 283600 5203644 3140 11:34:01 AM 9898888 12315176 6242644 38.67 2688 2615208 4084260 23.76 283716 5523680 2216 11:35:01 AM 7074520 9941904 9067012 56.17 2688 3055896 6061132 35.26 391960 8187108 22956 11:36:01 AM 10685252 13548516 5456280 33.80 2688 3051708 2500260 14.54 426388 4555428 9436 11:37:01 AM 11250916 14901432 4890616 30.30 2688 3813492 1464792 8.52 585752 3785640 283200 11:38:01 AM 11384432 14855052 4757100 29.47 2688 3628720 1229296 7.15 765344 3470584 7364 Average: 10645944 13387848 5495588 34.05 2688 2930146 2712708 15.78 397934 4637804 68554 11:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:31:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:02 AM eth0 210.80 164.41 1925.92 39.33 0.00 0.00 0.00 0.00 11:31:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM eth0 207.08 190.67 2166.46 29.27 0.00 0.00 0.00 0.00 11:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM eth0 243.67 174.89 2891.76 56.02 0.00 0.00 0.00 0.00 11:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM eth0 331.83 201.35 99.28 89.95 0.00 0.00 0.00 0.00 11:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 AM lo 4.53 4.53 0.56 0.56 0.00 0.00 0.00 0.00 11:35:01 AM eth0 215.67 119.14 2712.81 16.49 0.00 0.00 0.00 0.00 11:35:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 11:35:01 AM veth67a7075 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 11:35:01 AM br-799d1a3700ca 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 11:35:01 AM vetha4df37a 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 11:36:01 AM lo 13.19 13.19 26.89 26.89 0.00 0.00 0.00 0.00 11:36:01 AM eth0 10.94 9.63 118.32 1.96 0.00 0.00 0.00 0.00 11:36:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 11:36:01 AM veth67a7075 0.12 0.18 0.01 0.01 0.00 0.00 0.00 0.00 11:36:01 AM br-799d1a3700ca 5.95 5.71 25.62 0.94 0.00 0.00 0.00 0.00 11:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 AM eth0 172.31 114.28 2666.84 16.90 0.00 0.00 0.00 0.00 11:37:01 AM docker0 33.87 40.96 2.08 901.95 0.00 0.00 0.00 0.00 11:37:01 AM veth22b14e5 33.87 41.05 2.55 901.95 0.00 0.00 0.00 0.07 11:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM eth0 79.74 73.98 639.24 58.19 0.00 0.00 0.00 0.00 11:38:01 AM docker0 31.12 33.39 20.76 612.16 0.00 0.00 0.00 0.00 Average: lo 2.22 2.22 3.44 3.44 0.00 0.00 0.00 0.00 Average: eth0 183.95 130.92 1651.63 38.53 0.00 0.00 0.00 0.00 Average: docker0 8.17 9.35 2.86 189.65 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) 03/25/2026 _x86_64_ (4 CPU) 11:29:19 LINUX RESTART (4 CPU) 11:30:01 AM CPU %user %nice %system %iowait %steal %idle 11:31:02 AM all 28.83 0.00 2.63 1.76 0.10 66.67 11:31:02 AM 0 20.70 0.00 1.97 1.67 0.12 75.54 11:31:02 AM 1 24.41 0.00 2.09 0.90 0.08 72.51 11:31:02 AM 2 32.84 0.00 2.58 1.87 0.10 62.61 11:31:02 AM 3 37.40 0.00 3.90 2.61 0.12 55.98 11:32:01 AM all 41.36 0.00 1.81 7.77 0.11 48.95 11:32:01 AM 0 43.05 0.00 1.72 11.26 0.10 43.87 11:32:01 AM 1 42.80 0.00 1.75 3.67 0.12 51.66 11:32:01 AM 2 40.82 0.00 1.72 8.21 0.10 49.15 11:32:01 AM 3 38.78 0.00 2.07 7.94 0.10 51.10 11:33:01 AM all 55.69 0.00 1.81 0.67 0.11 41.71 11:33:01 AM 0 62.42 0.00 2.16 0.47 0.12 34.84 11:33:01 AM 1 58.23 0.00 1.35 0.32 0.10 40.00 11:33:01 AM 2 51.11 0.00 1.84 1.72 0.12 45.21 11:33:01 AM 3 51.00 0.00 1.91 0.18 0.12 46.79 11:34:01 AM all 16.22 0.00 1.24 0.02 0.07 82.45 11:34:01 AM 0 11.16 0.00 1.42 0.02 0.07 87.34 11:34:01 AM 1 14.88 0.00 1.19 0.00 0.07 83.87 11:34:01 AM 2 23.98 0.00 1.09 0.05 0.07 74.82 11:34:01 AM 3 14.88 0.00 1.27 0.00 0.07 83.79 11:35:01 AM all 41.33 0.00 2.61 1.73 0.13 54.21 11:35:01 AM 0 29.36 0.00 2.51 2.63 0.12 65.38 11:35:01 AM 1 28.98 0.00 2.63 0.74 0.12 67.53 11:35:01 AM 2 48.15 0.00 2.87 1.79 0.13 47.06 11:35:01 AM 3 58.82 0.00 2.41 1.76 0.13 36.87 11:36:01 AM all 17.62 0.00 1.84 0.44 0.08 80.02 11:36:01 AM 0 19.66 0.00 3.04 0.60 0.08 76.61 11:36:01 AM 1 14.58 0.00 1.51 0.27 0.08 83.56 11:36:01 AM 2 19.51 0.00 1.14 0.65 0.08 78.61 11:36:01 AM 3 16.73 0.00 1.67 0.22 0.07 81.31 11:37:01 AM all 37.61 0.00 4.64 1.84 0.13 55.78 11:37:01 AM 0 38.44 0.00 5.76 2.96 0.13 52.70 11:37:01 AM 1 32.07 0.00 4.12 1.88 0.12 61.82 11:37:01 AM 2 41.70 0.00 3.60 1.02 0.12 53.56 11:37:01 AM 3 38.22 0.00 5.09 1.51 0.13 55.04 11:38:01 AM all 18.23 0.00 3.40 1.67 0.08 76.61 11:38:01 AM 0 22.87 0.00 4.58 2.21 0.10 70.24 11:38:01 AM 1 17.09 0.00 2.80 1.47 0.08 78.56 11:38:01 AM 2 22.77 0.00 2.60 2.08 0.08 72.48 11:38:01 AM 3 10.18 0.00 3.62 0.94 0.07 85.20 Average: all 32.09 0.00 2.50 1.98 0.10 63.33 Average: 0 30.93 0.00 2.90 2.71 0.10 63.36 Average: 1 29.11 0.00 2.18 1.15 0.10 67.46 Average: 2 35.10 0.00 2.18 2.16 0.10 60.46 Average: 3 33.24 0.00 2.74 1.88 0.10 62.03