---> uname -a: Linux prd-centos8-docker-8c-8g-3631.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: 2800.000 BogoMIPS: 5600.00 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 25M 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 1022 28402 27 2464 30410 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:ae:ad:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.254/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:feae:ad81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b4:fb:93:e1 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) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 231.44 3.52 227.92 626.06 12805.26 05:21:01 AM 110.30 1.78 108.51 664.85 5199.45 05:22:01 AM 77.94 2.82 75.12 137.18 6769.36 Average: 139.89 2.70 137.19 476.05 8258.11 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 27938480 29782512 4717232 14.45 2688 2166808 2832136 8.40 173000 4068632 90992 05:21:01 AM 27378700 29393732 5277012 16.16 2688 2332448 2946748 8.74 228136 4549780 111024 05:22:01 AM 29071864 31128828 3583848 10.97 2688 2372256 1478956 4.39 413980 2669184 9632 Average: 28129681 30101691 4526031 13.86 2688 2290504 2419280 7.18 271705 3762532 70549 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 254.38 221.14 1895.97 62.95 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 173.13 140.30 1467.06 28.92 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 155.94 153.24 340.38 168.85 0.00 0.00 0.00 0.00 05:22:01 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 194.48 171.56 1234.52 86.90 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) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 22.30 0.00 1.51 0.94 0.07 75.19 05:20:01 AM 0 25.54 0.00 1.29 0.75 0.08 72.34 05:20:01 AM 1 17.77 0.00 1.05 0.94 0.07 80.17 05:20:01 AM 2 21.32 0.00 1.56 1.31 0.08 75.73 05:20:01 AM 3 24.78 0.00 1.14 0.80 0.07 73.21 05:20:01 AM 4 36.97 0.00 3.34 1.27 0.08 58.34 05:20:01 AM 5 18.96 0.00 1.34 0.82 0.07 78.81 05:20:01 AM 6 14.52 0.00 1.17 1.14 0.05 83.12 05:20:01 AM 7 18.52 0.00 1.17 0.49 0.05 79.78 05:21:01 AM all 44.86 0.00 1.52 0.29 0.09 53.24 05:21:01 AM 0 44.52 0.00 1.54 0.07 0.10 53.78 05:21:01 AM 1 49.41 0.00 1.65 0.82 0.10 48.02 05:21:01 AM 2 40.17 0.00 1.15 0.05 0.08 58.55 05:21:01 AM 3 56.68 0.00 1.50 0.30 0.10 41.42 05:21:01 AM 4 56.32 0.00 2.07 0.15 0.10 41.36 05:21:01 AM 5 34.56 0.00 1.47 0.37 0.08 63.52 05:21:01 AM 6 45.40 0.00 1.67 0.48 0.08 52.36 05:21:01 AM 7 31.79 0.00 1.14 0.05 0.08 66.93 05:22:01 AM all 18.27 0.00 1.40 0.19 0.06 80.08 05:22:01 AM 0 13.59 0.00 1.02 0.00 0.07 85.32 05:22:01 AM 1 8.50 0.00 1.27 0.70 0.05 89.47 05:22:01 AM 2 18.98 0.00 1.60 0.18 0.07 79.17 05:22:01 AM 3 37.57 0.00 2.14 0.33 0.07 59.89 05:22:01 AM 4 17.50 0.00 1.22 0.03 0.07 81.18 05:22:01 AM 5 12.22 0.00 1.00 0.00 0.05 86.72 05:22:01 AM 6 23.54 0.00 1.65 0.20 0.08 74.52 05:22:01 AM 7 14.21 0.00 1.25 0.08 0.05 84.40 Average: all 28.48 0.00 1.48 0.47 0.07 69.50 Average: 0 27.89 0.00 1.28 0.27 0.08 70.47 Average: 1 25.23 0.00 1.33 0.82 0.07 72.55 Average: 2 26.82 0.00 1.44 0.51 0.08 71.15 Average: 3 39.68 0.00 1.59 0.48 0.08 58.17 Average: 4 36.92 0.00 2.21 0.48 0.08 60.30 Average: 5 21.92 0.00 1.27 0.40 0.07 76.35 Average: 6 27.82 0.00 1.50 0.61 0.07 70.00 Average: 7 21.50 0.00 1.19 0.21 0.06 77.05