---> uname -a: Linux prd-centos8-docker-8c-8g-1558.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 993 28445 19 2450 30447 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:00:08:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe00:8c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f0:bd:c7:ac 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/13/2026 _x86_64_ (8 CPU) 05:17:18 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 188.35 2.77 185.59 340.02 11473.79 05:20:01 AM 152.66 2.52 150.14 950.91 7546.89 05:21:01 AM 73.51 1.17 72.34 82.51 6189.97 Average: 138.17 2.15 136.02 457.78 8403.60 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28693360 30480532 3962344 12.13 2688 2103416 2297692 6.82 163512 3328984 103728 05:20:01 AM 27024008 29027540 5631696 17.25 2688 2313248 3567840 10.59 226384 4905176 106452 05:21:01 AM 29140276 31190008 3515428 10.77 2688 2357172 1439984 4.27 412920 2605700 23128 Average: 28285881 30232693 4369823 13.38 2688 2257945 2435172 7.23 267605 3613287 77769 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 204.67 182.99 1845.07 54.86 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 262.42 213.28 2121.18 41.77 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 155.55 156.80 345.97 169.44 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 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 207.54 184.35 1437.37 88.70 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/13/2026 _x86_64_ (8 CPU) 05:17:18 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 18.52 0.00 1.52 0.49 0.06 79.41 05:19:01 AM 0 30.66 0.00 2.04 0.27 0.07 66.97 05:19:01 AM 1 15.36 0.00 1.49 0.63 0.05 82.47 05:19:01 AM 2 10.69 0.00 0.92 0.79 0.08 87.52 05:19:01 AM 3 22.71 0.00 1.96 0.62 0.07 74.65 05:19:01 AM 4 21.07 0.00 1.70 0.35 0.05 76.82 05:19:01 AM 5 18.87 0.00 1.24 0.25 0.07 79.58 05:19:01 AM 6 17.82 0.00 1.57 0.40 0.08 80.12 05:19:01 AM 7 10.96 0.00 1.24 0.63 0.03 87.13 05:20:01 AM all 44.40 0.00 1.62 0.37 0.09 53.53 05:20:01 AM 0 50.20 0.00 1.20 0.12 0.08 48.40 05:20:01 AM 1 49.71 0.00 1.92 0.33 0.10 47.94 05:20:01 AM 2 39.92 0.00 1.65 0.67 0.10 57.66 05:20:01 AM 3 37.37 0.00 1.47 0.18 0.08 60.89 05:20:01 AM 4 49.43 0.00 1.65 0.60 0.08 48.23 05:20:01 AM 5 48.07 0.00 2.06 0.33 0.07 49.47 05:20:01 AM 6 38.32 0.00 1.56 0.43 0.08 59.61 05:20:01 AM 7 42.16 0.00 1.40 0.25 0.08 56.10 05:21:01 AM all 23.72 0.00 1.58 0.15 0.07 74.49 05:21:01 AM 0 21.33 0.00 1.05 0.02 0.07 77.53 05:21:01 AM 1 23.66 0.00 1.54 0.05 0.07 74.69 05:21:01 AM 2 20.81 0.00 1.40 0.15 0.07 77.57 05:21:01 AM 3 31.55 0.00 2.21 0.13 0.07 66.05 05:21:01 AM 4 19.27 0.00 0.97 0.10 0.08 79.58 05:21:01 AM 5 27.71 0.00 1.81 0.08 0.08 70.32 05:21:01 AM 6 19.41 0.00 1.77 0.35 0.05 78.42 05:21:01 AM 7 26.01 0.00 1.89 0.30 0.07 71.74 Average: all 28.88 0.00 1.57 0.34 0.07 69.14 Average: 0 34.07 0.00 1.43 0.13 0.07 64.29 Average: 1 29.57 0.00 1.65 0.34 0.07 68.37 Average: 2 23.81 0.00 1.33 0.54 0.08 74.24 Average: 3 30.54 0.00 1.88 0.31 0.07 67.20 Average: 4 29.93 0.00 1.44 0.35 0.07 68.21 Average: 5 31.55 0.00 1.70 0.22 0.07 66.46 Average: 6 25.18 0.00 1.63 0.40 0.07 72.72 Average: 7 26.37 0.00 1.51 0.40 0.06 71.66