---> uname -a: Linux prd-centos8-docker-4c-4g-4975.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: 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1491 10230 19 4039 13920 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:d4:7d:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85920sec preferred_lft 85920sec inet6 fe80::f816:3eff:fed4:7de5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:b3:83:28 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::42:4eff:feb3:8328/64 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) 07/04/2026 _x86_64_ (4 CPU) 00:32:24 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 112.60 0.93 111.66 199.17 8887.22 12:35:01 AM 199.48 19.73 179.76 3964.95 39460.90 12:36:01 AM 98.08 1.72 96.37 102.78 10321.65 12:37:01 AM 3.90 0.00 3.90 0.00 307.18 12:38:01 AM 59.70 3.20 56.51 549.46 13694.94 12:39:01 AM 43.87 0.10 43.77 1.47 2837.04 12:40:01 AM 31.57 3.13 28.44 148.48 2148.32 Average: 78.46 4.12 74.34 709.48 11093.89 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13157260 15129080 2982060 18.48 2688 2179548 1062272 6.18 151540 2445540 229960 12:35:01 AM 11353712 14416248 4785608 29.65 2688 3263640 1650308 9.60 259344 4110540 71076 12:36:01 AM 8821916 12110612 7317404 45.34 2688 3486116 3786784 22.03 305068 6574144 3192 12:37:01 AM 8728260 12020536 7411060 45.92 2688 3489616 3802612 22.12 305116 6667220 100 12:38:01 AM 5745048 9500252 10394272 64.40 2688 3941932 6771320 39.40 407816 9490928 34468 12:39:01 AM 9706412 13455880 6432908 39.86 2688 3935864 3405556 19.81 441632 5507908 26844 12:40:01 AM 10475136 14251408 5664184 35.10 2688 3961460 2344516 13.64 692656 4493844 24288 Average: 9712535 12983431 6426785 39.82 2688 3465454 3260481 18.97 366167 5612875 55704 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 135.78 91.63 1562.62 11.75 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 763.06 369.84 15512.45 48.10 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 211.83 160.26 3324.35 34.70 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 298.62 192.93 92.16 94.54 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 4.18 4.18 0.53 0.53 0.00 0.00 0.00 0.00 12:38:01 AM eth0 198.95 123.27 2845.13 22.25 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth3c50884 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-2f403b0204d8 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:38:01 AM vethcb35df1 0.00 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:39:01 AM lo 12.66 12.66 26.60 26.60 0.00 0.00 0.00 0.00 12:39:01 AM eth0 25.08 24.67 253.72 5.04 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.17 0.18 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM veth3c50884 0.17 0.23 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM br-2f403b0204d8 5.73 5.33 25.60 0.91 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 304.08 165.24 390.83 213.42 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.41 2.41 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 276.76 161.12 3425.85 61.40 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.05 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) 07/04/2026 _x86_64_ (4 CPU) 00:32:24 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 16.22 0.00 1.63 0.59 0.07 81.49 12:34:01 AM 0 11.65 0.00 1.63 0.43 0.08 86.20 12:34:01 AM 1 13.76 0.00 1.54 0.68 0.07 83.95 12:34:01 AM 2 28.67 0.00 2.26 0.85 0.07 68.15 12:34:01 AM 3 10.81 0.00 1.09 0.40 0.07 87.64 12:35:01 AM all 35.91 0.00 2.15 1.74 0.09 60.10 12:35:01 AM 0 30.59 0.00 1.42 0.42 0.08 67.49 12:35:01 AM 1 34.13 0.00 1.96 3.31 0.10 60.50 12:35:01 AM 2 37.18 0.00 3.33 2.21 0.08 57.20 12:35:01 AM 3 41.73 0.00 1.91 1.05 0.10 55.21 12:36:01 AM all 62.04 0.00 1.72 0.41 0.12 35.72 12:36:01 AM 0 56.73 0.00 2.52 0.67 0.12 39.96 12:36:01 AM 1 64.84 0.00 1.22 0.32 0.12 33.51 12:36:01 AM 2 69.78 0.00 2.05 0.47 0.13 27.57 12:36:01 AM 3 56.80 0.00 1.07 0.18 0.12 41.83 12:37:01 AM all 14.35 0.00 1.41 0.01 0.06 84.17 12:37:01 AM 0 13.00 0.00 1.05 0.00 0.07 85.88 12:37:01 AM 1 17.55 0.00 1.15 0.03 0.07 81.20 12:37:01 AM 2 15.33 0.00 1.65 0.02 0.05 82.95 12:37:01 AM 3 11.51 0.00 1.77 0.00 0.05 86.66 12:38:01 AM all 42.85 0.00 2.64 0.78 0.10 53.63 12:38:01 AM 0 40.70 0.00 2.09 0.84 0.10 56.27 12:38:01 AM 1 28.75 0.00 2.67 1.07 0.08 67.42 12:38:01 AM 2 71.39 0.00 3.50 0.97 0.12 24.02 12:38:01 AM 3 30.51 0.00 2.31 0.22 0.12 66.84 12:39:01 AM all 19.11 0.00 1.50 0.28 0.07 79.04 12:39:01 AM 0 19.78 0.00 1.30 0.08 0.07 78.77 12:39:01 AM 1 19.95 0.00 1.46 0.17 0.08 78.34 12:39:01 AM 2 18.48 0.00 2.01 0.59 0.08 78.84 12:39:01 AM 3 18.22 0.00 1.24 0.28 0.05 80.21 12:40:01 AM all 33.98 0.00 1.55 0.16 0.07 64.24 12:40:01 AM 0 40.23 0.00 1.60 0.20 0.08 57.88 12:40:01 AM 1 38.35 0.00 1.75 0.17 0.05 59.68 12:40:01 AM 2 30.02 0.00 1.09 0.12 0.08 68.70 12:40:01 AM 3 27.30 0.00 1.75 0.17 0.07 70.71 Average: all 32.06 0.00 1.80 0.57 0.08 65.49 Average: 0 30.37 0.00 1.66 0.38 0.09 67.50 Average: 1 31.05 0.00 1.68 0.82 0.08 66.37 Average: 2 38.69 0.00 2.27 0.75 0.09 58.21 Average: 3 28.13 0.00 1.59 0.33 0.08 69.87