---> uname -a: Linux prd-centos8-docker-4c-4g-18396.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: 2799.974 BogoMIPS: 5599.94 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: 15761 837 11462 19 3461 14574 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:44:36:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.3/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85913sec preferred_lft 85913sec inet6 fe80::f816:3eff:fe44:3677/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:97:07:05:f7 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::42:97ff:fe07:5f7/64 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) 06/20/2026 _x86_64_ (4 CPU) 08:03:03 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 225.90 20.13 205.77 4023.33 16813.68 08:06:01 AM 112.78 1.83 110.95 115.98 11694.32 08:07:01 AM 12.06 0.00 12.06 0.00 455.97 08:08:01 AM 43.80 3.18 40.62 578.74 8724.56 08:09:01 AM 55.41 0.13 55.27 2.27 7756.19 08:10:01 AM 18.74 1.22 17.53 1590.94 7203.70 08:11:01 AM 177.57 0.43 177.14 56.25 3851.02 Average: 92.32 3.85 88.47 909.59 8071.23 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12179632 14406752 3959688 24.53 2688 2430172 1729684 10.06 210848 3334132 97988 08:06:01 AM 10629712 13091128 5509608 34.14 2688 2660464 2897548 16.86 264384 4812196 3140 08:07:01 AM 10465156 12931160 5674164 35.16 2688 2664932 2913308 16.95 264460 4976344 1412 08:08:01 AM 8648260 11535208 7491060 46.41 2688 3076204 4637580 26.98 288340 6721252 136836 08:09:01 AM 11018936 13924168 5120384 31.73 2688 3093580 3064888 17.83 399568 4243604 8348 08:10:01 AM 10439844 13625904 5699476 35.31 2688 3370228 2877940 16.74 457372 4757248 35276 08:11:01 AM 11807392 14993320 4331928 26.84 2688 3368232 1693792 9.85 673928 3175764 24464 Average: 10741276 13501091 5398044 33.45 2688 2951973 2830677 16.47 365557 4574363 43923 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 242.91 193.63 2529.29 36.76 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 251.96 176.30 3425.44 40.42 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 214.80 128.18 68.31 76.56 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 4.63 4.63 0.56 0.56 0.00 0.00 0.00 0.00 08:08:01 AM eth0 302.07 150.28 2729.57 31.95 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethbc3be6f 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-dfd92983f77c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 13.23 13.23 26.68 26.68 0.00 0.00 0.00 0.00 08:09:01 AM eth0 9.55 7.96 117.45 1.40 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.18 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM vethbc3be6f 0.18 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM br-dfd92983f77c 5.86 5.73 25.61 0.94 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 175.76 135.85 3133.57 11.48 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 54.65 57.26 19.95 181.58 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.55 2.55 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 178.80 121.35 1717.60 54.31 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 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) 06/20/2026 _x86_64_ (4 CPU) 08:03:03 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 33.51 0.00 2.23 1.22 0.09 62.95 08:05:01 AM 0 32.44 0.00 1.52 0.85 0.10 65.09 08:05:01 AM 1 43.76 0.00 2.92 1.20 0.08 52.03 08:05:01 AM 2 26.46 0.00 2.29 1.44 0.10 69.70 08:05:01 AM 3 31.36 0.00 2.19 1.37 0.08 64.99 08:06:01 AM all 59.15 0.00 1.88 0.53 0.10 38.35 08:06:01 AM 0 65.44 0.00 0.95 0.05 0.08 33.47 08:06:01 AM 1 53.74 0.00 2.19 0.77 0.12 43.18 08:06:01 AM 2 61.02 0.00 2.46 0.87 0.10 35.55 08:06:01 AM 3 56.39 0.00 1.91 0.42 0.10 41.19 08:07:01 AM all 17.46 0.00 1.29 0.04 0.06 81.14 08:07:01 AM 0 19.71 0.00 1.10 0.07 0.07 79.05 08:07:01 AM 1 12.57 0.00 1.54 0.05 0.07 85.77 08:07:01 AM 2 17.38 0.00 1.34 0.03 0.05 81.21 08:07:01 AM 3 20.18 0.00 1.19 0.02 0.07 78.55 08:08:01 AM all 41.51 0.00 2.64 0.34 0.11 55.38 08:08:01 AM 0 28.23 0.00 2.51 0.82 0.10 68.33 08:08:01 AM 1 39.16 0.00 1.91 0.12 0.10 58.71 08:08:01 AM 2 46.80 0.00 2.96 0.37 0.12 49.76 08:08:01 AM 3 51.91 0.00 3.21 0.07 0.13 44.68 08:09:01 AM all 16.94 0.00 1.96 0.44 0.08 80.58 08:09:01 AM 0 14.65 0.00 1.73 0.60 0.08 82.94 08:09:01 AM 1 15.77 0.00 2.15 0.30 0.07 81.72 08:09:01 AM 2 18.05 0.00 2.20 0.77 0.08 78.90 08:09:01 AM 3 19.30 0.00 1.76 0.08 0.08 78.77 08:10:01 AM all 69.29 0.00 1.64 0.10 0.12 28.86 08:10:01 AM 0 75.33 0.00 1.10 0.00 0.12 23.45 08:10:01 AM 1 74.00 0.00 1.05 0.15 0.12 24.68 08:10:01 AM 2 54.26 0.00 2.02 0.20 0.12 43.41 08:10:01 AM 3 73.61 0.00 2.37 0.05 0.12 23.86 08:11:01 AM all 38.08 0.00 1.97 0.56 0.08 59.30 08:11:01 AM 0 48.82 0.00 2.37 0.13 0.07 48.61 08:11:01 AM 1 38.42 0.00 1.07 0.05 0.08 60.38 08:11:01 AM 2 29.69 0.00 2.38 1.62 0.08 66.23 08:11:01 AM 3 35.37 0.00 2.07 0.45 0.08 62.02 Average: all 39.44 0.00 1.94 0.46 0.09 58.07 Average: 0 40.68 0.00 1.61 0.36 0.09 57.26 Average: 1 39.66 0.00 1.83 0.38 0.09 58.04 Average: 2 36.24 0.00 2.23 0.76 0.09 60.67 Average: 3 41.17 0.00 2.10 0.35 0.10 56.29