---> uname -a: Linux prd-centos8-docker-8c-8g-2210.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): 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: 31890 1055 27221 19 3613 30375 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:ea:5f:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.211/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:feea:5f13/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:f5:27:5a 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::42:85ff:fef5:275a/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) 03/15/2026 _x86_64_ (8 CPU) 17:11:57 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 430.47 14.78 415.69 3100.30 13686.89 05:15:01 PM 261.70 6.76 254.93 1266.91 16205.20 05:16:01 PM 150.06 1.92 148.14 519.34 37834.88 Average: 280.74 7.82 272.92 1628.79 22576.50 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28687644 30721784 3968068 12.15 2688 2345560 1820864 5.40 206288 3276236 187656 05:15:01 PM 26876892 29450064 5778820 17.70 2688 2876712 2842268 8.43 476384 4779404 263532 05:16:01 PM 27937916 31167192 4717796 14.45 2688 3525540 1473124 4.37 814528 3361428 90204 Average: 27834151 30446347 4821561 14.76 2688 2915937 2045419 6.07 499067 3805689 180464 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 350.33 306.10 3411.05 66.75 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 468.39 379.56 6802.55 51.12 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 343.49 305.43 3162.05 2372.21 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.15 15.69 0.53 257.55 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 387.40 330.36 4458.48 830.11 0.00 0.00 0.00 0.00 Average: docker0 2.38 5.23 0.18 85.86 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) 03/15/2026 _x86_64_ (8 CPU) 17:11:57 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.17 0.00 1.61 1.41 0.10 79.70 05:14:01 PM 0 10.33 0.00 1.41 1.79 0.10 86.37 05:14:01 PM 1 31.84 0.00 1.91 1.07 0.12 65.07 05:14:01 PM 2 23.37 0.00 1.89 1.49 0.10 73.15 05:14:01 PM 3 15.84 0.00 0.65 0.22 0.10 83.19 05:14:01 PM 4 17.80 0.00 0.99 0.30 0.08 80.83 05:14:01 PM 5 8.26 0.00 1.93 2.21 0.08 87.51 05:14:01 PM 6 13.03 0.00 2.01 2.18 0.10 82.68 05:14:01 PM 7 16.88 0.00 2.12 2.06 0.10 78.84 05:15:01 PM all 32.24 0.00 1.78 1.01 0.10 64.86 05:15:01 PM 0 28.41 0.00 1.86 1.14 0.10 68.49 05:15:01 PM 1 47.33 0.00 2.58 1.51 0.10 48.48 05:15:01 PM 2 28.41 0.00 1.83 0.96 0.12 68.69 05:15:01 PM 3 28.45 0.00 1.88 0.77 0.13 68.77 05:15:01 PM 4 39.45 0.00 2.13 1.63 0.10 56.69 05:15:01 PM 5 18.24 0.00 1.53 1.43 0.10 78.71 05:15:01 PM 6 21.91 0.00 1.29 0.34 0.10 76.36 05:15:01 PM 7 45.72 0.00 1.15 0.35 0.08 52.69 05:16:01 PM all 11.57 0.00 2.93 1.14 0.08 84.27 05:16:01 PM 0 6.58 0.00 2.67 0.17 0.08 90.50 05:16:01 PM 1 26.66 0.00 3.63 1.86 0.10 67.75 05:16:01 PM 2 4.37 0.00 2.47 0.87 0.10 92.19 05:16:01 PM 3 13.47 0.00 3.17 1.66 0.07 81.63 05:16:01 PM 4 13.77 0.00 3.03 0.61 0.08 82.51 05:16:01 PM 5 11.01 0.00 2.55 0.39 0.07 85.99 05:16:01 PM 6 8.52 0.00 3.51 2.45 0.08 85.43 05:16:01 PM 7 8.22 0.00 2.44 1.13 0.08 88.13 Average: all 20.33 0.00 2.11 1.19 0.10 76.27 Average: 0 15.10 0.00 1.98 1.03 0.10 81.79 Average: 1 35.28 0.00 2.70 1.48 0.11 60.43 Average: 2 18.73 0.00 2.06 1.11 0.11 78.00 Average: 3 19.25 0.00 1.90 0.88 0.10 77.87 Average: 4 23.67 0.00 2.05 0.84 0.09 73.35 Average: 5 12.50 0.00 2.00 1.34 0.08 84.07 Average: 6 14.49 0.00 2.27 1.66 0.10 81.49 Average: 7 23.63 0.00 1.90 1.18 0.09 73.19