---> uname -a: Linux prd-centos8-docker-8c-8g-10007.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 988 28293 19 2606 30448 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:be:81:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.68/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:febe:81bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:74:7f:d7 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) 06/09/2026 _x86_64_ (8 CPU) 05:18:04 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 204.93 3.61 201.32 650.34 15835.60 05:21:01 AM 107.71 1.78 105.93 664.85 5243.94 05:22:01 AM 80.67 2.82 77.85 130.11 6815.01 Average: 131.11 2.74 128.37 481.79 9298.68 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28122404 30113888 4530968 13.88 2688 2303388 2675204 7.94 177780 3866368 88824 05:21:01 AM 27178364 29342400 5475008 16.77 2688 2470512 3411200 10.12 234168 4729204 110596 05:22:01 AM 29041212 31247660 3612160 11.06 2688 2510328 1424096 4.23 432136 2668352 8604 Average: 28113993 30234649 4539379 13.90 2688 2428076 2503500 7.43 281361 3754641 69341 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 254.29 225.10 2283.48 62.32 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 154.75 131.41 1483.41 28.49 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 163.17 160.87 349.49 170.36 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 190.74 172.46 1372.23 87.05 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) 06/09/2026 _x86_64_ (8 CPU) 05:18:04 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 20.53 0.00 1.55 0.56 0.07 77.29 05:20:01 AM 0 13.13 0.00 1.71 0.28 0.07 84.81 05:20:01 AM 1 15.10 0.00 1.96 0.74 0.08 82.13 05:20:01 AM 2 22.18 0.00 1.55 0.80 0.07 75.40 05:20:01 AM 3 24.41 0.00 1.10 0.15 0.07 74.26 05:20:01 AM 4 13.45 0.00 1.79 1.49 0.07 83.20 05:20:01 AM 5 35.54 0.00 1.94 0.52 0.07 61.94 05:20:01 AM 6 19.52 0.00 1.09 0.42 0.07 78.91 05:20:01 AM 7 20.86 0.00 1.25 0.10 0.07 77.72 05:21:01 AM all 44.97 0.00 1.60 0.24 0.10 53.09 05:21:01 AM 0 48.11 0.00 1.74 0.12 0.10 49.93 05:21:01 AM 1 45.07 0.00 1.27 0.25 0.10 53.31 05:21:01 AM 2 43.01 0.00 1.77 0.20 0.12 54.90 05:21:01 AM 3 46.28 0.00 1.50 0.48 0.12 51.62 05:21:01 AM 4 35.59 0.00 1.94 0.23 0.08 62.15 05:21:01 AM 5 50.35 0.00 1.62 0.32 0.13 47.58 05:21:01 AM 6 38.79 0.00 1.32 0.10 0.08 59.70 05:21:01 AM 7 52.56 0.00 1.64 0.20 0.10 45.50 05:22:01 AM all 18.12 0.00 1.47 0.17 0.06 80.18 05:22:01 AM 0 10.14 0.00 1.40 0.25 0.05 88.16 05:22:01 AM 1 23.52 0.00 2.06 0.23 0.07 74.13 05:22:01 AM 2 25.05 0.00 1.84 0.07 0.07 72.97 05:22:01 AM 3 10.24 0.00 1.32 0.27 0.05 88.13 05:22:01 AM 4 12.40 0.00 0.95 0.02 0.05 86.58 05:22:01 AM 5 17.93 0.00 1.10 0.03 0.05 80.89 05:22:01 AM 6 28.85 0.00 1.49 0.17 0.08 69.41 05:22:01 AM 7 16.83 0.00 1.62 0.33 0.05 81.17 Average: all 27.87 0.00 1.54 0.32 0.08 70.18 Average: 0 23.80 0.00 1.61 0.22 0.07 74.29 Average: 1 27.90 0.00 1.76 0.41 0.08 69.85 Average: 2 30.08 0.00 1.72 0.36 0.08 67.76 Average: 3 26.99 0.00 1.31 0.30 0.08 71.33 Average: 4 20.48 0.00 1.56 0.58 0.07 77.31 Average: 5 34.60 0.00 1.55 0.29 0.08 63.48 Average: 6 29.06 0.00 1.30 0.23 0.08 69.34 Average: 7 30.08 0.00 1.50 0.21 0.07 68.13