---> uname -a: Linux prd-centos8-docker-8c-8g-2013.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: 2799.974 BogoMIPS: 5599.94 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 27222 19 3611 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:03:5a:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.112/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe03:5a86/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:71:f9:57 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::42:6eff:fe71:f957/64 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) 03/14/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 245.68 14.38 231.29 3198.53 11286.29 05:14:01 PM 430.19 4.77 425.42 1164.95 15719.44 05:15:01 PM 199.47 2.62 196.85 507.96 40630.19 Average: 291.78 7.25 284.53 1623.73 22545.93 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29043716 30971904 3611996 11.06 2688 2243228 1817492 5.39 191620 2950100 163132 05:14:01 PM 27922420 30260804 4733292 14.49 2688 2644316 2138100 6.34 397292 3821584 178912 05:15:01 PM 27810188 31035716 4845524 14.84 2688 3522096 1588612 4.71 641168 3663356 165092 Average: 28258775 30756141 4396937 13.46 2688 2803213 1848068 5.48 410027 3478347 169045 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 246.29 211.30 2542.79 53.29 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 457.75 382.86 5749.73 52.13 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 512.95 423.94 5795.82 1270.46 0.00 0.00 0.00 0.00 05:15:01 PM docker0 5.61 12.70 0.45 257.18 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 405.67 339.37 4696.23 458.65 0.00 0.00 0.00 0.00 Average: docker0 1.87 4.23 0.15 85.73 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) 03/14/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.17 0.00 1.40 1.34 0.06 82.02 05:13:01 PM 0 8.37 0.00 0.95 1.64 0.07 88.98 05:13:01 PM 1 12.26 0.00 1.31 1.96 0.08 84.40 05:13:01 PM 2 9.75 0.00 1.27 1.59 0.07 87.32 05:13:01 PM 3 19.04 0.00 1.05 0.57 0.07 79.27 05:13:01 PM 4 29.46 0.00 2.42 1.29 0.07 66.76 05:13:01 PM 5 12.72 0.00 1.42 1.04 0.05 84.78 05:13:01 PM 6 13.01 0.00 0.99 2.00 0.05 83.95 05:13:01 PM 7 16.72 0.00 1.82 0.65 0.07 80.74 05:14:01 PM all 28.18 0.00 1.83 2.70 0.08 67.21 05:14:01 PM 0 20.11 0.00 1.44 3.52 0.10 74.82 05:14:01 PM 1 39.97 0.00 2.21 2.51 0.08 55.23 05:14:01 PM 2 22.11 0.00 1.78 1.76 0.08 74.28 05:14:01 PM 3 23.57 0.00 2.11 2.73 0.08 71.49 05:14:01 PM 4 26.52 0.00 1.56 0.75 0.08 71.08 05:14:01 PM 5 19.55 0.00 2.29 3.92 0.08 74.17 05:14:01 PM 6 33.39 0.00 1.76 1.76 0.07 63.01 05:14:01 PM 7 40.18 0.00 1.52 4.62 0.08 53.59 05:15:01 PM all 17.67 0.00 2.75 2.18 0.07 77.34 05:15:01 PM 0 9.06 0.00 3.17 3.17 0.08 84.51 05:15:01 PM 1 22.96 0.00 2.79 2.59 0.07 71.60 05:15:01 PM 2 22.88 0.00 3.26 5.26 0.07 68.53 05:15:01 PM 3 16.55 0.00 3.26 1.61 0.08 78.49 05:15:01 PM 4 13.84 0.00 2.40 0.37 0.07 83.32 05:15:01 PM 5 25.22 0.00 2.21 0.55 0.07 71.95 05:15:01 PM 6 9.62 0.00 2.18 0.45 0.05 87.69 05:15:01 PM 7 21.17 0.00 2.70 3.41 0.07 72.65 Average: all 20.33 0.00 1.99 2.07 0.07 75.53 Average: 0 12.51 0.00 1.85 2.77 0.08 82.77 Average: 1 25.06 0.00 2.10 2.35 0.08 70.41 Average: 2 18.24 0.00 2.10 2.87 0.07 76.72 Average: 3 19.72 0.00 2.14 1.64 0.08 76.42 Average: 4 23.29 0.00 2.13 0.80 0.07 73.70 Average: 5 19.15 0.00 1.97 1.83 0.07 76.97 Average: 6 18.66 0.00 1.64 1.41 0.06 78.23 Average: 7 26.02 0.00 2.02 2.89 0.07 69.00