---> uname -a: Linux prd-centos8-docker-4c-4g-2787.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: 2799.998 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 1056 10723 20 3980 14354 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:6e:65:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.24/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85911sec preferred_lft 85911sec inet6 fe80::f816:3eff:fe6e:6570/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:dd:1d:59 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::42:77ff:fedd:1d59/64 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) 11/12/2026 _x86_64_ (4 CPU) 09:08:25 LINUX RESTART (4 CPU) 09:09:02 AM tps rtps wtps bread/s bwrtn/s 09:10:01 AM 146.41 32.07 114.33 4691.58 20829.30 09:11:01 AM 99.80 2.30 97.50 1597.73 9243.51 09:12:01 AM 222.38 20.31 202.07 2411.06 13957.21 09:13:01 AM 12.95 0.45 12.50 400.80 799.55 09:14:01 AM 84.49 1.15 83.34 103.05 12358.96 09:15:01 AM 1236.00 75.47 1160.53 1437.12 37357.18 09:16:01 AM 73.76 45.17 28.59 760.15 1038.30 Average: 268.27 25.26 243.01 1621.51 13637.88 09:09:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 AM 13420448 15069524 2718868 16.85 2688 1875916 1183216 6.88 141740 2259904 82476 09:11:01 AM 13093472 15115868 3045844 18.87 2688 2231044 1077760 6.27 146044 2509668 185824 09:12:01 AM 11852112 14132352 4287204 26.56 2688 2482376 1987792 11.57 208340 3652392 788 09:13:01 AM 11679680 14065772 4459636 27.63 2688 2583260 2358776 13.72 209880 3803976 75156 09:14:01 AM 11486816 14343860 4652500 28.83 2688 3044016 1732272 10.08 367336 3802832 198568 09:15:01 AM 10064636 13697176 6074680 37.64 2688 3621576 1940552 11.29 415932 4732720 6768 09:16:01 AM 10050112 13732964 6089204 37.73 2688 3669112 1920236 11.17 454772 4705076 17668 Average: 11663897 14308217 4475419 27.73 2688 2786757 1742943 10.14 277721 3638081 81035 09:09:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM eth0 279.77 174.67 1726.56 67.70 0.00 0.00 0.00 0.00 09:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM eth0 75.44 51.31 877.76 8.26 0.00 0.00 0.00 0.00 09:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 227.09 214.01 2697.83 34.70 0.00 0.00 0.00 0.00 09:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 09:13:01 AM eth0 29.44 17.74 561.75 2.37 0.00 0.00 0.00 0.00 09:13:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 09:13:01 AM veth5da5778 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 09:14:01 AM lo 8.22 8.22 5.36 5.36 0.00 0.00 0.00 0.00 09:14:01 AM eth0 172.75 101.38 2392.58 13.12 0.00 0.00 0.00 0.00 09:14:01 AM docker0 3.48 3.15 4.10 0.45 0.00 0.00 0.00 0.00 09:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 AM eth0 136.75 100.95 1199.68 16.90 0.00 0.00 0.00 0.00 09:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 AM lo 4.77 4.77 0.67 0.67 0.00 0.00 0.00 0.00 09:16:01 AM eth0 2.67 2.70 3.32 0.84 0.00 0.00 0.00 0.00 09:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.89 1.89 0.87 0.87 0.00 0.00 0.00 0.00 Average: eth0 131.64 94.49 1350.45 20.44 0.00 0.00 0.00 0.00 Average: docker0 0.52 0.49 0.59 0.07 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) 11/12/2026 _x86_64_ (4 CPU) 09:08:25 LINUX RESTART (4 CPU) 09:09:02 AM CPU %user %nice %system %iowait %steal %idle 09:10:01 AM all 13.71 0.00 2.13 1.59 0.01 82.55 09:10:01 AM 0 6.47 0.00 1.48 0.48 0.02 91.55 09:10:01 AM 1 9.32 0.00 2.11 2.82 0.00 85.75 09:10:01 AM 2 20.41 0.00 2.26 2.18 0.00 75.15 09:10:01 AM 3 18.65 0.00 2.69 0.90 0.02 77.75 09:11:01 AM all 11.77 0.00 1.29 0.50 0.00 86.44 09:11:01 AM 0 3.72 0.00 0.80 0.45 0.00 95.03 09:11:01 AM 1 16.96 0.00 1.35 0.42 0.00 81.27 09:11:01 AM 2 6.54 0.00 1.00 0.57 0.02 91.88 09:11:01 AM 3 19.86 0.00 2.00 0.55 0.00 77.58 09:12:01 AM all 28.04 0.00 1.74 1.18 0.01 69.02 09:12:01 AM 0 31.59 0.00 1.05 0.28 0.02 67.05 09:12:01 AM 1 25.92 0.00 2.02 1.39 0.02 70.65 09:12:01 AM 2 29.22 0.00 1.66 1.22 0.00 67.90 09:12:01 AM 3 25.43 0.00 2.23 1.84 0.02 70.49 09:13:01 AM all 1.47 0.00 0.49 0.06 0.00 97.98 09:13:01 AM 0 1.12 0.00 0.69 0.03 0.00 98.16 09:13:01 AM 1 1.30 0.00 0.45 0.08 0.02 98.15 09:13:01 AM 2 1.42 0.00 0.47 0.05 0.00 98.06 09:13:01 AM 3 2.02 0.00 0.37 0.07 0.00 97.54 09:14:01 AM all 23.71 0.10 2.18 0.61 0.01 73.39 09:14:01 AM 0 23.79 0.07 2.41 0.77 0.02 72.94 09:14:01 AM 1 23.33 0.17 1.88 0.49 0.02 74.12 09:14:01 AM 2 25.27 0.15 2.33 0.80 0.02 71.43 09:14:01 AM 3 22.44 0.02 2.09 0.39 0.00 75.07 09:15:01 AM all 21.57 0.00 8.67 8.49 0.02 61.24 09:15:01 AM 0 29.33 0.00 9.02 6.59 0.02 55.04 09:15:01 AM 1 29.59 0.00 9.03 8.08 0.02 53.28 09:15:01 AM 2 13.72 0.00 8.16 10.17 0.02 67.93 09:15:01 AM 3 13.65 0.00 8.48 9.13 0.02 68.73 09:16:01 AM all 42.33 0.00 1.46 0.45 0.02 55.74 09:16:01 AM 0 33.69 0.00 1.35 0.30 0.02 64.64 09:16:01 AM 1 37.78 0.00 1.52 0.50 0.02 60.18 09:16:01 AM 2 57.71 0.00 1.94 0.82 0.03 39.49 09:16:01 AM 3 40.17 0.00 1.02 0.18 0.02 58.61 Average: all 20.38 0.01 2.56 1.83 0.01 75.21 Average: 0 18.54 0.01 2.39 1.27 0.01 77.77 Average: 1 20.61 0.02 2.61 1.95 0.01 74.79 Average: 2 22.05 0.02 2.54 2.25 0.01 73.14 Average: 3 20.33 0.00 2.69 1.85 0.01 75.12