---> uname -a: Linux prd-centos8-docker-4c-4g-5004.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: 2799.996 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 1012 10477 19 4271 14399 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:95:c6:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fe95:c6f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:71:48:08 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::42:4cff:fe71:4808/64 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) 03:28:26 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 116.35 1.40 114.95 287.82 8965.21 03:31:01 AM 279.31 5.80 273.51 914.76 29568.61 03:32:01 AM 1049.32 33.09 1016.23 497.70 35564.31 03:33:01 AM 189.95 95.15 94.80 3788.17 5078.50 03:34:01 AM 178.26 10.83 167.43 3176.67 9429.19 Average: 362.65 29.25 333.40 1733.00 17721.88 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13134808 15126728 3004512 18.62 2688 2200120 1069072 6.22 144296 2475456 252332 03:31:01 AM 9925852 12515844 6213468 38.50 2688 2781164 4405492 25.63 280800 5461540 1268 03:32:01 AM 10600536 14155400 5538784 34.32 2688 3547136 1716300 9.99 406608 4232708 85108 03:33:01 AM 10943820 14651624 5195500 32.19 2688 3694812 1482672 8.63 437556 3858388 30624 03:34:01 AM 10747740 14759284 5391580 33.41 2688 3993704 1206892 7.02 718636 3769852 24376 Average: 11070551 14241776 5068769 31.41 2688 3243387 1976086 11.50 397579 3959589 78742 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 144.46 96.15 1710.71 17.34 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.45 3.45 1.56 1.56 0.00 0.00 0.00 0.00 03:31:01 AM eth0 507.06 331.14 5345.73 42.86 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.00 1.72 1.30 0.30 0.00 0.00 0.00 0.00 03:31:01 AM vethb6c360e 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 03:31:01 AM veth2380e10 1.92 1.65 1.32 0.30 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.72 2.72 2.96 2.96 0.00 0.00 0.00 0.00 03:32:01 AM eth0 208.78 146.70 1863.21 27.22 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.30 1.37 2.79 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 9.58 9.28 40.26 3.40 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 174.76 133.17 3124.66 41.18 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 208.94 143.30 2417.02 26.40 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.62 0.82 0.09 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) 03:28:26 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 17.64 0.00 1.93 0.68 0.07 79.68 03:30:01 AM 0 15.06 0.00 2.45 0.78 0.07 81.63 03:30:01 AM 1 38.90 0.00 3.32 1.00 0.10 56.67 03:30:01 AM 2 11.72 0.00 1.17 0.50 0.05 86.56 03:30:01 AM 3 4.84 0.00 0.77 0.44 0.05 93.90 03:31:01 AM all 40.51 0.09 3.66 1.78 0.14 53.81 03:31:01 AM 0 37.03 0.07 3.38 1.33 0.15 58.05 03:31:01 AM 1 39.66 0.03 4.37 1.58 0.17 54.19 03:31:01 AM 2 40.89 0.22 3.71 1.33 0.13 53.72 03:31:01 AM 3 44.48 0.05 3.19 2.87 0.12 49.29 03:32:01 AM all 33.14 0.00 10.71 7.16 0.15 48.85 03:32:01 AM 0 30.80 0.00 9.74 7.70 0.14 51.63 03:32:01 AM 1 34.47 0.00 10.80 4.48 0.14 50.12 03:32:01 AM 2 24.08 0.00 10.90 8.85 0.15 56.02 03:32:01 AM 3 43.27 0.00 11.42 7.61 0.15 37.55 03:33:01 AM all 43.98 0.00 1.93 1.23 0.13 52.73 03:33:01 AM 0 44.67 0.00 1.87 0.99 0.12 52.35 03:33:01 AM 1 36.61 0.00 1.89 1.39 0.12 59.99 03:33:01 AM 2 64.65 0.00 2.41 1.93 0.15 30.87 03:33:01 AM 3 30.01 0.00 1.56 0.62 0.12 67.70 03:34:01 AM all 38.53 0.00 1.98 0.71 0.10 58.67 03:34:01 AM 0 34.17 0.00 1.24 0.48 0.10 64.01 03:34:01 AM 1 30.17 0.00 1.92 0.60 0.08 67.23 03:34:01 AM 2 32.28 0.00 1.24 0.17 0.08 66.24 03:34:01 AM 3 57.53 0.00 3.55 1.61 0.13 37.19 Average: all 34.76 0.02 4.01 2.29 0.12 58.80 Average: 0 32.34 0.01 3.71 2.23 0.11 61.59 Average: 1 35.96 0.01 4.43 1.80 0.12 57.68 Average: 2 34.76 0.04 3.85 2.53 0.11 58.70 Average: 3 35.98 0.01 4.06 2.60 0.11 57.23