---> uname -a: Linux prd-centos8-docker-4c-4g-655.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: 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1017 10910 19 3834 14396 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:5e:af:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.35/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe5e:afb6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d6:60:ac:7e 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:d6ff:fe60:ac7e/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) 03/30/2026 _x86_64_ (4 CPU) 13:13:47 LINUX RESTART (4 CPU) 01:14:01 PM tps rtps wtps bread/s bwrtn/s 01:15:01 PM 212.56 23.46 189.10 5670.27 11191.82 01:16:01 PM 272.94 6.60 266.34 1182.67 20842.59 01:17:01 PM 490.24 1.95 488.29 83.44 35760.95 01:18:01 PM 689.13 112.17 576.95 1947.31 16067.69 Average: 416.26 36.06 380.20 2220.75 20965.56 01:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:15:01 PM 13348864 15103988 2792668 17.30 2688 1970884 1120180 6.52 142648 2297664 182272 01:16:01 PM 11363872 13854992 4777660 29.60 2688 2685808 2607908 15.17 258100 4068224 297308 01:17:01 PM 10505844 13906692 5635688 34.91 2688 3442956 1771548 10.31 365708 4506568 287892 01:18:01 PM 10240772 13771924 5900760 36.56 2688 3525476 1949056 11.34 431660 4576228 16 Average: 11364838 14159399 4776694 29.59 2688 2906281 1862173 10.83 299529 3862171 191872 01:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:15:01 PM eth0 373.82 208.70 1753.00 71.11 0.00 0.00 0.00 0.00 01:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:16:01 PM eth0 466.73 350.07 6042.30 47.89 0.00 0.00 0.00 0.00 01:16:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 01:16:01 PM veth707866a 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 01:17:01 PM lo 5.96 5.96 4.56 4.56 0.00 0.00 0.00 0.00 01:17:01 PM eth0 352.75 231.82 1817.91 35.03 0.00 0.00 0.00 0.00 01:17:01 PM docker0 3.27 3.10 4.08 0.44 0.00 0.00 0.00 0.00 01:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 PM eth0 3.88 3.33 58.46 0.80 0.00 0.00 0.00 0.00 01:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 299.25 198.45 2417.65 38.70 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.82 1.02 0.12 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) 03/30/2026 _x86_64_ (4 CPU) 13:13:47 LINUX RESTART (4 CPU) 01:14:01 PM CPU %user %nice %system %iowait %steal %idle 01:15:01 PM all 25.08 0.00 3.04 1.18 0.07 70.62 01:15:01 PM 0 23.26 0.00 2.32 0.40 0.07 73.94 01:15:01 PM 1 27.14 0.00 2.90 0.62 0.08 69.26 01:15:01 PM 2 31.31 0.00 3.48 1.19 0.07 63.96 01:15:01 PM 3 18.59 0.00 3.48 2.54 0.07 75.33 01:16:01 PM all 40.28 0.00 3.51 1.62 0.13 54.46 01:16:01 PM 0 37.99 0.00 2.84 1.28 0.13 57.76 01:16:01 PM 1 36.88 0.00 4.18 1.48 0.12 57.35 01:16:01 PM 2 43.91 0.00 4.38 1.96 0.13 49.61 01:16:01 PM 3 42.35 0.00 2.63 1.76 0.13 53.13 01:17:01 PM all 37.34 0.10 8.90 3.85 0.13 49.68 01:17:01 PM 0 29.84 0.10 8.93 4.86 0.12 56.15 01:17:01 PM 1 33.19 0.03 8.67 4.19 0.14 53.79 01:17:01 PM 2 44.14 0.05 7.71 1.42 0.14 46.54 01:17:01 PM 3 42.16 0.20 10.30 4.94 0.12 42.28 01:18:01 PM all 36.30 0.00 3.63 7.22 0.11 52.75 01:18:01 PM 0 20.63 0.00 2.87 6.52 0.10 69.88 01:18:01 PM 1 23.52 0.00 3.71 8.97 0.10 63.70 01:18:01 PM 2 26.61 0.00 3.94 6.45 0.10 62.90 01:18:01 PM 3 74.45 0.00 3.99 6.92 0.13 14.50 Average: all 34.74 0.02 4.76 3.47 0.11 56.90 Average: 0 27.92 0.03 4.22 3.26 0.11 64.47 Average: 1 30.17 0.01 4.85 3.81 0.11 61.05 Average: 2 36.47 0.01 4.87 2.76 0.11 55.78 Average: 3 44.40 0.05 5.08 4.04 0.11 46.31