---> uname -a: Linux prd-centos8-docker-8c-8g-1643.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 984 28119 19 2784 30455 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:9b:e9:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86196sec preferred_lft 86196sec inet6 fe80::f816:3eff:fe9b:e997/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fe:0c:aa:4a 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/21/2026 _x86_64_ (8 CPU) 12:23:43 LINUX RESTART (8 CPU) 12:24:02 PM tps rtps wtps bread/s bwrtn/s 12:25:01 PM 200.37 23.11 177.27 5849.38 13569.37 12:26:01 PM 171.93 15.19 156.73 4153.28 11138.40 12:27:01 PM 209.33 2.78 206.55 654.18 17926.31 Average: 193.84 13.64 180.20 3539.58 14214.91 12:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:25:01 PM 29674360 31296488 2979012 9.12 2688 1947608 1390344 4.13 138300 2418120 138116 12:26:01 PM 28952008 31009900 3701364 11.34 2688 2372024 1822016 5.41 204280 3023024 169232 12:27:01 PM 28844776 31234920 3808596 11.66 2688 2697564 1442472 4.28 420300 2890268 24188 Average: 29157048 31180436 3496324 10.71 2688 2339065 1551611 4.60 254293 2777137 110512 12:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 PM eth0 442.69 286.04 1693.93 78.22 0.00 0.00 0.00 0.00 12:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 PM eth0 280.51 206.93 1739.11 34.12 0.00 0.00 0.00 0.00 12:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 393.09 302.40 4860.85 41.30 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 371.70 265.01 2770.55 51.06 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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) 07/21/2026 _x86_64_ (8 CPU) 12:23:43 LINUX RESTART (8 CPU) 12:24:02 PM CPU %user %nice %system %iowait %steal %idle 12:25:01 PM all 13.46 0.00 2.18 1.44 0.07 82.85 12:25:01 PM 0 7.13 0.00 1.19 1.44 0.07 90.16 12:25:01 PM 1 17.06 0.00 2.01 2.21 0.07 78.65 12:25:01 PM 2 10.35 0.00 2.14 1.26 0.07 86.18 12:25:01 PM 3 16.18 0.00 3.29 1.28 0.07 79.18 12:25:01 PM 4 14.15 0.00 1.33 0.73 0.05 83.74 12:25:01 PM 5 16.83 0.00 2.67 3.36 0.09 77.06 12:25:01 PM 6 13.42 0.00 3.00 0.31 0.07 83.20 12:25:01 PM 7 12.61 0.00 1.79 0.95 0.05 84.60 12:26:01 PM all 12.09 0.00 1.36 1.15 0.06 85.35 12:26:01 PM 0 12.88 0.00 1.25 0.38 0.05 85.43 12:26:01 PM 1 8.32 0.00 1.07 1.79 0.07 88.75 12:26:01 PM 2 12.96 0.00 1.96 0.69 0.08 84.30 12:26:01 PM 3 9.61 0.00 1.17 1.96 0.07 87.20 12:26:01 PM 4 10.94 0.00 0.95 0.69 0.05 87.37 12:26:01 PM 5 6.91 0.00 1.04 1.37 0.05 90.63 12:26:01 PM 6 18.26 0.00 1.90 0.67 0.05 79.12 12:26:01 PM 7 16.80 0.00 1.49 1.62 0.07 80.02 12:27:01 PM all 14.08 0.00 1.45 1.27 0.08 83.12 12:27:01 PM 0 11.19 0.00 0.98 0.92 0.07 86.84 12:27:01 PM 1 24.26 0.00 2.01 0.75 0.10 72.87 12:27:01 PM 2 9.12 0.00 1.46 2.03 0.10 87.29 12:27:01 PM 3 14.20 0.00 1.52 1.90 0.05 82.33 12:27:01 PM 4 10.51 0.00 0.69 0.22 0.07 88.52 12:27:01 PM 5 7.67 0.00 1.27 0.80 0.08 90.18 12:27:01 PM 6 21.27 0.00 2.14 2.75 0.08 73.76 12:27:01 PM 7 14.46 0.00 1.54 0.82 0.07 83.11 Average: all 13.21 0.00 1.66 1.29 0.07 83.78 Average: 0 10.42 0.00 1.14 0.91 0.06 87.47 Average: 1 16.55 0.00 1.69 1.58 0.08 80.10 Average: 2 10.81 0.00 1.85 1.32 0.08 85.93 Average: 3 13.31 0.00 1.99 1.72 0.06 82.93 Average: 4 11.85 0.00 0.99 0.54 0.06 86.56 Average: 5 10.43 0.00 1.65 1.83 0.07 86.01 Average: 6 17.67 0.00 2.35 1.25 0.07 78.67 Average: 7 14.64 0.00 1.60 1.13 0.06 82.57