---> uname -a: Linux prd-centos8-docker-8c-8g-3638.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 1012 28032 19 2845 30429 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:44:b8:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.248/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe44:b8e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a6:ac:87:74 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) 03/21/2026 _x86_64_ (8 CPU) 05:35:39 LINUX RESTART (8 CPU) 05:36:01 AM tps rtps wtps bread/s bwrtn/s 05:37:01 AM 269.18 29.90 239.28 7099.52 27576.45 05:38:01 AM 194.38 3.75 190.63 1136.88 12338.49 05:39:01 AM 76.72 17.99 58.73 4906.06 5279.50 Average: 180.09 17.21 162.87 4381.21 15064.57 05:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:37:01 AM 29510884 31212128 3144828 9.63 2688 2022780 1458904 4.33 147312 2561804 208032 05:38:01 AM 28193644 30106292 4462068 13.66 2688 2225624 2408996 7.15 209560 3768324 70440 05:39:01 AM 27897060 30338992 4758652 14.57 2688 2751716 2193764 6.51 274668 3989124 320160 Average: 28533863 30552471 4121849 12.62 2688 2333373 2020555 5.99 210513 3439751 199544 05:36:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 AM eth0 396.44 251.94 1852.46 79.03 0.00 0.00 0.00 0.00 05:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:38:01 AM eth0 245.53 204.83 2060.40 46.15 0.00 0.00 0.00 0.00 05:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM eth0 308.44 237.29 5544.57 36.46 0.00 0.00 0.00 0.00 05:39:01 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 316.81 231.36 3152.73 53.88 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) 03/21/2026 _x86_64_ (8 CPU) 05:35:39 LINUX RESTART (8 CPU) 05:36:01 AM CPU %user %nice %system %iowait %steal %idle 05:37:01 AM all 14.26 0.00 1.89 2.41 0.06 81.38 05:37:01 AM 0 8.80 0.00 1.74 1.22 0.07 88.17 05:37:01 AM 1 14.78 0.00 1.62 3.61 0.07 79.92 05:37:01 AM 2 28.15 0.00 3.02 0.79 0.08 67.95 05:37:01 AM 3 15.23 0.00 2.24 0.38 0.05 82.10 05:37:01 AM 4 8.35 0.00 2.45 4.71 0.05 84.43 05:37:01 AM 5 12.52 0.00 1.24 2.10 0.05 84.09 05:37:01 AM 6 12.13 0.00 1.17 6.13 0.03 80.54 05:37:01 AM 7 14.06 0.00 1.67 0.33 0.05 83.89 05:38:01 AM all 40.82 0.00 1.47 0.92 0.09 56.69 05:38:01 AM 0 34.46 0.00 1.44 0.25 0.08 63.77 05:38:01 AM 1 40.28 0.00 1.54 1.30 0.10 56.78 05:38:01 AM 2 55.60 0.00 2.36 1.50 0.12 40.43 05:38:01 AM 3 53.27 0.00 1.55 1.09 0.08 44.00 05:38:01 AM 4 33.52 0.00 1.19 0.13 0.08 65.08 05:38:01 AM 5 37.59 0.00 1.47 2.56 0.08 58.30 05:38:01 AM 6 51.13 0.00 0.82 0.07 0.12 47.86 05:38:01 AM 7 20.68 0.00 1.42 0.49 0.08 77.33 05:39:01 AM all 40.54 0.00 1.44 0.25 0.08 57.70 05:39:01 AM 0 49.90 0.00 1.35 0.25 0.07 48.43 05:39:01 AM 1 45.42 0.00 1.52 0.27 0.07 52.73 05:39:01 AM 2 30.48 0.00 1.34 0.42 0.07 67.70 05:39:01 AM 3 32.14 0.00 1.45 0.15 0.08 66.18 05:39:01 AM 4 48.05 0.00 1.87 0.20 0.08 49.79 05:39:01 AM 5 37.17 0.00 1.09 0.13 0.08 61.53 05:39:01 AM 6 37.51 0.00 1.55 0.40 0.08 60.46 05:39:01 AM 7 43.68 0.00 1.32 0.15 0.07 54.79 Average: all 31.88 0.00 1.60 1.19 0.08 65.25 Average: 0 31.08 0.00 1.51 0.57 0.07 66.77 Average: 1 33.50 0.00 1.56 1.73 0.08 63.14 Average: 2 38.08 0.00 2.24 0.90 0.09 58.69 Average: 3 33.56 0.00 1.75 0.54 0.07 64.08 Average: 4 29.99 0.00 1.84 1.68 0.07 66.42 Average: 5 29.09 0.00 1.26 1.60 0.07 67.98 Average: 6 33.59 0.00 1.18 2.20 0.08 62.95 Average: 7 26.13 0.00 1.47 0.32 0.07 72.00