---> uname -a: Linux prd-centos8-docker-4c-4g-740.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 9.9G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 798 12280 19 2683 14630 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:ce:5d:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.56/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86175sec preferred_lft 86175sec inet6 fe80::f816:3eff:fece:5dfe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bc:23:8d:a7 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) 12/22/2025 _x86_64_ (4 CPU) 08:08:38 LINUX RESTART (4 CPU) 08:09:01 AM tps rtps wtps bread/s bwrtn/s 08:10:01 AM 200.40 20.03 180.37 3931.22 6347.90 08:11:01 AM 215.65 6.27 209.38 1056.76 17803.87 08:12:01 AM 28.74 0.92 27.82 75.71 632.16 Average: 148.26 9.07 139.19 1687.93 8260.78 08:09:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 AM 12977472 14915096 3164060 19.60 2688 2147072 1377836 8.02 151408 2638624 239260 08:11:01 AM 11595544 13806364 4545988 28.16 2688 2415148 2302384 13.39 242568 3891336 2380 08:12:01 AM 12563792 14967080 3577740 22.16 2688 2605340 1179872 6.86 513020 2653960 207620 Average: 12378936 14562847 3762596 23.31 2688 2389187 1620031 9.42 302332 3061307 149753 08:09:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 173.39 116.73 1412.77 36.46 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 14.03 14.03 3.61 3.61 0.00 0.00 0.00 0.00 08:11:01 AM eth0 343.44 237.76 3743.93 45.77 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 AM lo 14.98 14.98 2.47 2.47 0.00 0.00 0.00 0.00 08:12:01 AM eth0 55.28 45.70 272.41 21.54 0.00 0.00 0.00 0.00 08:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 190.70 133.39 1809.60 34.59 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) 12/22/2025 _x86_64_ (4 CPU) 08:08:38 LINUX RESTART (4 CPU) 08:09:01 AM CPU %user %nice %system %iowait %steal %idle 08:10:01 AM all 22.52 0.00 2.32 0.87 0.08 74.20 08:10:01 AM 0 9.62 0.00 1.37 0.17 0.08 88.76 08:10:01 AM 1 16.47 0.00 2.04 1.07 0.10 80.32 08:10:01 AM 2 31.08 0.00 2.64 0.64 0.07 65.58 08:10:01 AM 3 32.94 0.00 3.24 1.62 0.08 62.11 08:11:01 AM all 49.78 0.00 1.94 1.07 0.09 47.12 08:11:01 AM 0 43.84 0.00 2.00 1.84 0.10 52.22 08:11:01 AM 1 51.78 0.00 1.76 0.54 0.08 45.85 08:11:01 AM 2 55.05 0.00 2.12 0.80 0.08 41.95 08:11:01 AM 3 48.48 0.00 1.87 1.12 0.08 48.45 08:12:01 AM all 16.99 0.00 1.34 0.10 0.08 81.49 08:12:01 AM 0 18.50 0.00 0.95 0.05 0.07 80.43 08:12:01 AM 1 15.43 0.00 1.71 0.27 0.10 82.49 08:12:01 AM 2 19.30 0.00 1.59 0.07 0.07 78.98 08:12:01 AM 3 14.73 0.00 1.14 0.02 0.07 84.05 Average: all 29.76 0.00 1.87 0.68 0.08 67.61 Average: 0 23.97 0.00 1.44 0.68 0.08 73.82 Average: 1 27.90 0.00 1.83 0.62 0.09 69.55 Average: 2 35.14 0.00 2.12 0.50 0.07 62.17 Average: 3 32.05 0.00 2.08 0.92 0.08 64.88