---> uname -a: Linux prd-centos8-docker-8c-8g-5749.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1088 26966 19 3833 30334 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:fc:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe5e:fc84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:82:fe:e9 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:acff:fe82:fee9/64 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) 06/01/2026 _x86_64_ (8 CPU) 03:37:58 LINUX RESTART (8 CPU) 03:39:02 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 488.04 15.06 472.98 3177.63 17673.70 03:41:01 AM 269.86 6.80 263.06 1266.91 15758.50 03:42:01 AM 182.61 3.90 178.71 508.36 39049.45 Average: 312.53 8.55 303.98 1642.44 24196.78 03:39:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28546000 30688220 4107372 12.58 2688 2452000 1864184 5.53 210372 3402332 161664 03:41:01 AM 27409548 30018500 5243824 16.06 2688 2910368 2302860 6.83 420172 4293332 174168 03:42:01 AM 27601888 31049556 5051484 15.47 2688 3737672 1529428 4.54 832672 3650664 149972 Average: 27852479 30585425 4800893 14.70 2688 3033347 1898824 5.63 487739 3782109 161935 03:39:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 348.68 298.15 3561.75 54.99 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 523.59 426.07 6639.06 54.68 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 410.03 369.19 4654.54 2342.30 0.00 0.00 0.00 0.00 03:42:01 AM docker0 15.13 22.98 0.90 308.45 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 427.87 364.84 4959.55 821.58 0.00 0.00 0.00 0.00 Average: docker0 5.07 7.70 0.30 103.39 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) 06/01/2026 _x86_64_ (8 CPU) 03:37:58 LINUX RESTART (8 CPU) 03:39:02 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 16.70 0.00 1.55 1.11 0.08 80.56 03:40:01 AM 0 23.55 0.00 1.82 0.97 0.07 73.59 03:40:01 AM 1 16.09 0.00 1.07 1.11 0.09 81.65 03:40:01 AM 2 19.03 0.00 1.69 0.54 0.09 78.66 03:40:01 AM 3 19.72 0.00 1.48 1.16 0.07 77.57 03:40:01 AM 4 12.81 0.00 1.04 0.34 0.07 85.75 03:40:01 AM 5 15.38 0.00 1.23 0.71 0.07 82.61 03:40:01 AM 6 6.14 0.00 2.28 2.94 0.08 88.56 03:40:01 AM 7 20.91 0.00 1.81 1.11 0.10 76.08 03:41:01 AM all 29.83 0.00 1.63 0.73 0.08 67.74 03:41:01 AM 0 39.76 0.00 1.59 1.24 0.08 57.33 03:41:01 AM 1 29.54 0.00 1.56 0.54 0.08 68.28 03:41:01 AM 2 31.37 0.00 1.80 0.12 0.08 66.63 03:41:01 AM 3 39.16 0.00 1.71 1.04 0.07 58.02 03:41:01 AM 4 25.21 0.00 1.26 0.72 0.08 72.73 03:41:01 AM 5 23.98 0.00 2.06 0.76 0.08 73.12 03:41:01 AM 6 16.81 0.00 1.43 0.65 0.07 81.04 03:41:01 AM 7 32.77 0.00 1.61 0.74 0.08 64.80 03:42:01 AM all 13.21 0.00 2.98 0.58 0.07 83.17 03:42:01 AM 0 13.92 0.00 3.37 0.54 0.07 82.10 03:42:01 AM 1 14.49 0.00 2.72 0.54 0.07 82.18 03:42:01 AM 2 8.82 0.00 3.37 0.34 0.07 87.41 03:42:01 AM 3 16.53 0.00 3.14 0.59 0.08 79.66 03:42:01 AM 4 7.93 0.00 2.44 1.14 0.05 88.44 03:42:01 AM 5 17.73 0.00 3.09 0.71 0.07 78.41 03:42:01 AM 6 12.17 0.00 2.92 0.40 0.05 84.46 03:42:01 AM 7 14.07 0.00 2.82 0.37 0.07 82.68 Average: all 19.93 0.00 2.06 0.80 0.07 77.14 Average: 0 25.76 0.00 2.26 0.92 0.07 70.99 Average: 1 20.06 0.00 1.79 0.72 0.08 77.35 Average: 2 19.75 0.00 2.28 0.33 0.08 77.55 Average: 3 25.16 0.00 2.11 0.93 0.07 71.72 Average: 4 15.33 0.00 1.58 0.74 0.07 82.28 Average: 5 19.05 0.00 2.13 0.73 0.07 78.03 Average: 6 11.73 0.00 2.21 1.33 0.07 84.67 Average: 7 22.60 0.00 2.08 0.74 0.08 74.50