---> uname -a: Linux prd-centos8-docker-4c-4g-3785.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: 2799.996 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1001 10922 19 3839 14412 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:53:7a:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.25/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86023sec preferred_lft 86023sec inet6 fe80::f816:3eff:fe53:7a72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d9:77:7d:0d 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:d9ff:fe77:7d0d/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) 04/20/2026 _x86_64_ (4 CPU) 14:24:00 LINUX RESTART (4 CPU) 02:25:01 PM tps rtps wtps bread/s bwrtn/s 02:26:01 PM 113.92 1.50 112.42 278.70 8967.56 02:27:01 PM 205.33 4.78 200.55 566.21 14869.09 02:28:01 PM 172.04 1.68 170.36 388.00 25878.67 02:29:01 PM 1047.34 95.07 952.27 1697.58 25634.51 02:30:01 PM 66.43 23.78 42.65 475.57 1820.44 Average: 320.97 25.36 295.61 681.14 15433.07 02:25:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:26:01 PM 13127412 15036020 3014120 18.67 2688 2119356 1410852 8.21 151304 2486608 182120 02:27:01 PM 11619672 13763740 4521860 28.01 2688 2347860 2680148 15.59 249760 3860236 8 02:28:01 PM 10837456 14132664 5304076 32.86 2688 3400080 1775580 10.33 366296 4301228 388540 02:29:01 PM 9903900 13413456 6237632 38.64 2688 3504364 1861656 10.83 415668 4923104 12 02:30:01 PM 11211992 14781304 4929540 30.54 2688 3558484 1187908 6.91 628244 3409900 36924 Average: 11340086 14225437 4801446 29.75 2688 2986029 1783229 10.37 362254 3796215 121521 02:25:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:26:01 PM eth0 113.21 72.27 1531.57 12.24 0.00 0.00 0.00 0.00 02:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM eth0 293.69 236.79 3169.14 35.29 0.00 0.00 0.00 0.00 02:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM vethb918681 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:27:01 PM veth5c79524 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:28:01 PM lo 6.46 6.46 4.60 4.60 0.00 0.00 0.00 0.00 02:28:01 PM eth0 437.00 273.61 3943.97 40.14 0.00 0.00 0.00 0.00 02:28:01 PM docker0 3.53 3.23 4.10 0.46 0.00 0.00 0.00 0.00 02:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:29:01 PM eth0 18.38 9.25 104.61 1.35 0.00 0.00 0.00 0.00 02:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 PM eth0 27.87 23.89 57.69 9.72 0.00 0.00 0.00 0.00 02:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 178.03 123.16 1761.43 19.75 0.00 0.00 0.00 0.00 Average: docker0 0.71 0.65 0.82 0.09 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) 04/20/2026 _x86_64_ (4 CPU) 14:24:00 LINUX RESTART (4 CPU) 02:25:01 PM CPU %user %nice %system %iowait %steal %idle 02:26:01 PM all 17.73 0.00 2.07 1.45 0.63 78.12 02:26:01 PM 0 9.08 0.00 1.53 1.16 0.43 87.80 02:26:01 PM 1 19.82 0.00 2.13 1.06 0.22 76.78 02:26:01 PM 2 22.05 0.00 2.54 2.49 0.90 72.03 02:26:01 PM 3 20.00 0.00 2.07 1.09 0.96 75.87 02:27:01 PM all 32.86 0.00 2.20 1.75 1.00 62.19 02:27:01 PM 0 34.19 0.00 3.06 1.52 1.83 59.39 02:27:01 PM 1 29.37 0.00 2.30 1.91 0.77 65.65 02:27:01 PM 2 37.93 0.00 1.37 1.51 1.19 58.00 02:27:01 PM 3 29.99 0.00 2.14 2.06 0.25 65.56 02:28:01 PM all 36.27 0.09 7.74 1.23 0.17 54.49 02:28:01 PM 0 31.50 0.02 6.91 0.80 0.19 60.60 02:28:01 PM 1 41.48 0.10 8.10 1.28 0.19 48.85 02:28:01 PM 2 32.62 0.14 7.50 1.59 0.15 58.01 02:28:01 PM 3 39.47 0.12 8.48 1.26 0.17 50.50 02:29:01 PM all 27.49 0.00 6.10 14.77 0.15 51.48 02:29:01 PM 0 51.91 0.00 6.73 18.50 0.19 22.67 02:29:01 PM 1 20.14 0.00 6.48 15.28 0.15 57.95 02:29:01 PM 2 19.69 0.00 5.82 14.23 0.13 60.12 02:29:01 PM 3 18.17 0.00 5.39 11.08 0.13 65.22 02:30:01 PM all 34.53 0.00 2.29 2.94 0.12 60.11 02:30:01 PM 0 21.17 0.00 1.70 0.55 0.10 76.48 02:30:01 PM 1 48.29 0.00 2.37 3.08 0.13 46.13 02:30:01 PM 2 24.73 0.00 2.21 3.53 0.12 69.41 02:30:01 PM 3 43.95 0.00 2.89 4.62 0.13 48.40 Average: all 29.74 0.02 4.07 4.43 0.41 61.33 Average: 0 29.44 0.00 3.98 4.53 0.53 61.51 Average: 1 31.82 0.02 4.26 4.51 0.29 59.10 Average: 2 27.41 0.03 3.87 4.66 0.50 63.53 Average: 3 30.29 0.02 4.18 4.01 0.33 61.16