---> uname -a: Linux prd-centos8-docker-8c-8g-7601.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 1079 26405 19 4405 30344 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:47:6a:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.111/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe47:6a95/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:66:90:db 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::42:3ff:fe66:90db/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) 05/02/2026 _x86_64_ (8 CPU) 07:30:18 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 275.57 16.73 258.85 3302.90 15477.47 07:33:01 AM 203.25 2.98 200.27 1423.79 41381.42 07:34:01 AM 226.76 15.93 210.83 5123.23 2431.12 Average: 235.19 11.88 223.31 3283.31 19763.34 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28827456 30811232 3828256 11.72 2688 2298160 1844208 5.47 196524 3153856 94404 07:33:01 AM 26397096 29517860 6258616 19.17 2688 3416068 3923576 11.64 357468 5343124 144 07:34:01 AM 26006544 29963812 6649168 20.36 2688 4247544 2730664 8.10 748800 5333476 675416 Average: 27077032 30097635 5578680 17.08 2688 3320591 2832816 8.40 434264 4610152 256655 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 229.07 192.65 2592.46 51.87 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1596.22 567.38 11255.48 50.37 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 07:33:01 AM vethc399044 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 07:34:01 AM lo 13.03 13.03 1.36 1.36 0.00 0.00 0.00 0.00 07:34:01 AM eth0 132.61 111.28 1699.81 23.70 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.80 5.91 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.34 4.34 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 652.63 290.44 5182.58 41.98 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.99 0.22 0.23 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) 05/02/2026 _x86_64_ (8 CPU) 07:30:18 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 15.33 0.00 1.66 0.79 0.06 82.16 07:32:01 AM 0 12.46 0.00 1.20 0.33 0.07 85.94 07:32:01 AM 1 24.52 0.00 1.97 0.67 0.07 72.77 07:32:01 AM 2 10.69 0.00 1.78 1.27 0.07 86.19 07:32:01 AM 3 15.29 0.00 1.51 0.77 0.07 82.36 07:32:01 AM 4 13.32 0.00 1.69 0.72 0.07 84.20 07:32:01 AM 5 9.82 0.00 1.24 0.65 0.05 88.24 07:32:01 AM 6 19.39 0.00 1.87 1.22 0.07 77.46 07:32:01 AM 7 17.14 0.00 2.01 0.67 0.05 80.13 07:33:01 AM all 31.85 0.00 2.87 0.86 0.08 64.34 07:33:01 AM 0 37.39 0.00 2.12 0.05 0.08 60.36 07:33:01 AM 1 34.73 0.00 2.78 1.08 0.08 61.33 07:33:01 AM 2 27.16 0.00 3.19 1.21 0.07 68.37 07:33:01 AM 3 33.14 0.00 3.31 0.88 0.08 62.60 07:33:01 AM 4 22.42 0.00 2.57 1.04 0.08 73.88 07:33:01 AM 5 21.99 0.00 2.91 1.79 0.08 73.23 07:33:01 AM 6 44.09 0.00 3.51 0.69 0.08 51.63 07:33:01 AM 7 33.89 0.00 2.57 0.12 0.08 63.33 07:34:01 AM all 23.43 0.32 2.56 0.51 0.07 73.11 07:34:01 AM 0 23.06 0.03 2.29 0.05 0.08 74.48 07:34:01 AM 1 24.91 0.02 2.28 0.17 0.07 72.56 07:34:01 AM 2 24.57 0.02 2.68 0.27 0.07 72.40 07:34:01 AM 3 21.15 0.59 3.56 2.60 0.08 72.03 07:34:01 AM 4 22.24 0.00 2.13 0.13 0.07 75.44 07:34:01 AM 5 24.04 0.02 2.85 0.34 0.07 72.69 07:34:01 AM 6 24.31 1.74 2.51 0.47 0.07 70.91 07:34:01 AM 7 23.18 0.12 2.23 0.05 0.05 74.38 Average: all 23.52 0.11 2.36 0.72 0.07 73.22 Average: 0 24.28 0.01 1.87 0.15 0.08 73.62 Average: 1 28.04 0.01 2.34 0.64 0.07 68.90 Average: 2 20.80 0.01 2.55 0.92 0.07 75.66 Average: 3 23.17 0.20 2.79 1.42 0.08 72.35 Average: 4 19.32 0.00 2.13 0.63 0.07 77.85 Average: 5 18.60 0.01 2.33 0.92 0.07 78.07 Average: 6 29.22 0.58 2.63 0.79 0.07 66.71 Average: 7 24.72 0.04 2.27 0.28 0.06 72.63