---> uname -a: Linux prd-centos8-docker-4c-4g-47450.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: 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): 0-3 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1023 10961 19 3778 14391 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:5b:dc:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fe5b:dc03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:15:bc:6e:d7 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::42:15ff:febc:6ed7/64 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) 09/20/2025 _x86_64_ (4 CPU) 01:49:41 LINUX RESTART (4 CPU) 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 257.96 21.44 236.53 5560.58 8247.58 01:52:01 AM 304.93 5.78 299.15 1001.30 29133.29 01:53:01 AM 1065.13 46.45 1018.68 628.59 35361.71 01:54:01 AM 151.25 73.06 78.19 1542.02 4473.58 Average: 444.81 36.68 408.13 2183.45 19302.71 01:50:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 13215272 15055272 2926260 18.13 2688 2051044 1143840 6.65 147936 2408052 228032 01:52:01 AM 10009268 12455944 6132264 37.99 2688 2639940 4375124 25.45 285012 5383400 1364 01:53:01 AM 10594472 14008080 5547060 34.37 2688 3409808 1830592 10.65 482076 4170372 85216 01:54:01 AM 11245048 14751236 4896484 30.33 2688 3496972 1166412 6.79 684884 3316272 37308 Average: 11266015 14067633 4875517 30.20 2688 2899441 2128992 12.38 399977 3819524 87980 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 AM eth0 358.33 211.79 1903.27 72.27 0.00 0.00 0.00 0.00 01:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM lo 3.62 3.62 1.64 1.64 0.00 0.00 0.00 0.00 01:52:01 AM eth0 461.41 333.59 5506.18 47.05 0.00 0.00 0.00 0.00 01:52:01 AM docker0 2.07 1.85 1.30 0.31 0.00 0.00 0.00 0.00 01:52:01 AM vethf0e0faa 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 01:52:01 AM vethd65169b 1.97 1.77 1.32 0.30 0.00 0.00 0.00 0.00 01:53:01 AM lo 2.83 2.83 2.95 2.95 0.00 0.00 0.00 0.00 01:53:01 AM eth0 223.24 181.76 1867.26 1207.16 0.00 0.00 0.00 0.00 01:53:01 AM docker0 1.30 1.37 2.79 0.14 0.00 0.00 0.00 0.00 01:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 17.39 15.03 46.28 39.72 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.61 1.61 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 265.09 185.54 2330.58 341.54 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.80 1.02 0.11 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) 09/20/2025 _x86_64_ (4 CPU) 01:49:41 LINUX RESTART (4 CPU) 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 22.60 0.00 2.71 1.38 0.08 73.23 01:51:01 AM 0 15.33 0.00 3.11 2.83 0.10 78.62 01:51:01 AM 1 20.98 0.00 2.76 1.02 0.08 75.15 01:51:01 AM 2 24.30 0.00 2.21 0.74 0.08 72.67 01:51:01 AM 3 29.76 0.00 2.77 0.94 0.07 66.47 01:52:01 AM all 38.39 0.09 3.56 3.41 0.11 54.44 01:52:01 AM 0 35.61 0.05 3.81 2.74 0.10 57.69 01:52:01 AM 1 38.31 0.07 4.12 4.22 0.12 53.16 01:52:01 AM 2 40.19 0.13 3.04 3.76 0.12 52.76 01:52:01 AM 3 39.46 0.10 3.28 2.93 0.10 54.13 01:53:01 AM all 33.71 0.00 9.66 7.79 0.11 48.73 01:53:01 AM 0 28.15 0.00 10.68 8.28 0.10 52.79 01:53:01 AM 1 38.37 0.00 7.82 5.21 0.12 48.48 01:53:01 AM 2 27.32 0.00 8.73 7.33 0.10 56.51 01:53:01 AM 3 40.94 0.00 11.42 10.33 0.10 37.21 01:54:01 AM all 43.44 0.00 1.92 0.96 0.11 53.57 01:54:01 AM 0 41.77 0.00 2.04 0.64 0.10 55.45 01:54:01 AM 1 30.79 0.00 1.79 1.45 0.12 65.85 01:54:01 AM 2 29.77 0.00 1.40 0.42 0.12 68.29 01:54:01 AM 3 71.49 0.00 2.44 1.34 0.12 24.61 Average: all 34.53 0.02 4.44 3.36 0.10 57.54 Average: 0 30.22 0.01 4.88 3.59 0.10 61.19 Average: 1 32.07 0.02 4.10 2.96 0.11 60.74 Average: 2 30.41 0.03 3.82 3.03 0.11 62.61 Average: 3 45.43 0.03 4.95 3.86 0.10 45.64