---> uname -a: Linux prd-centos8-docker-8c-8g-4012.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1062 27079 19 3748 30364 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:7f:18:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe7f:18f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:64:84:85: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 inet6 fe80::42:64ff:fe84:85a7/64 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) 04/21/2026 _x86_64_ (8 CPU) 03:37:42 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 237.89 14.88 223.01 3512.96 8107.70 03:40:01 AM 435.07 17.21 417.86 2724.76 16559.49 03:41:01 AM 265.79 2.39 263.40 400.73 39884.91 03:42:01 AM 123.79 3.62 120.18 191.27 16126.91 Average: 265.52 9.51 256.01 1705.83 20186.12 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29452008 31285656 3203696 9.81 2688 2153868 1365176 4.05 149108 2614164 287836 03:40:01 AM 28388204 30578696 4267500 13.07 2688 2500660 1915036 5.68 232464 3541684 181740 03:41:01 AM 26406284 29578860 6249420 19.14 2688 3469960 3536004 10.49 543336 5152620 8888 03:42:01 AM 27648664 31019752 5007040 15.33 2688 3663752 1613656 4.79 832948 3616616 30536 Average: 27973790 30615741 4681914 14.34 2688 2947060 2107468 6.25 439464 3731271 127250 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 349.25 211.11 2183.50 70.66 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 408.70 368.53 4140.98 58.53 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 494.43 382.52 9430.89 46.82 0.00 0.00 0.00 0.00 03:41:01 AM docker0 3.07 4.34 0.17 140.83 0.00 0.00 0.00 0.00 03:41:01 AM veth085a9e9 3.07 4.37 0.21 140.84 0.00 0.00 0.00 0.01 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 275.59 268.56 380.16 2336.56 0.00 0.00 0.00 0.00 03:42:01 AM docker0 5.53 6.96 0.34 166.33 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 382.06 307.69 4037.63 628.11 0.00 0.00 0.00 0.00 Average: docker0 2.15 2.83 0.13 76.89 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) 04/21/2026 _x86_64_ (8 CPU) 03:37:42 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.00 0.00 1.63 0.72 0.08 85.57 03:39:01 AM 0 7.59 0.00 0.83 0.07 0.07 91.44 03:39:01 AM 1 7.50 0.00 1.61 0.55 0.08 90.26 03:39:01 AM 2 17.45 0.00 2.23 0.79 0.08 79.45 03:39:01 AM 3 13.59 0.00 1.81 0.17 0.07 84.37 03:39:01 AM 4 9.04 0.00 0.90 0.63 0.07 89.36 03:39:01 AM 5 15.93 0.00 2.62 2.91 0.07 78.48 03:39:01 AM 6 6.41 0.00 1.23 0.29 0.08 91.99 03:39:01 AM 7 18.51 0.00 1.84 0.32 0.08 79.24 03:40:01 AM all 20.54 0.00 1.54 1.65 0.10 76.18 03:40:01 AM 0 12.83 0.00 0.87 0.29 0.10 85.92 03:40:01 AM 1 19.75 0.00 1.56 2.06 0.12 76.51 03:40:01 AM 2 22.74 0.00 2.62 3.82 0.12 70.70 03:40:01 AM 3 22.63 0.00 1.90 1.88 0.10 73.49 03:40:01 AM 4 18.79 0.00 0.99 1.44 0.10 78.67 03:40:01 AM 5 24.16 0.00 1.02 0.82 0.08 73.91 03:40:01 AM 6 24.26 0.00 1.29 0.60 0.10 73.75 03:40:01 AM 7 19.16 0.00 2.05 2.25 0.08 76.45 03:41:01 AM all 25.53 0.00 2.14 1.59 0.10 70.64 03:41:01 AM 0 15.58 0.00 2.28 1.04 0.10 81.00 03:41:01 AM 1 14.21 0.00 2.01 3.68 0.08 80.02 03:41:01 AM 2 30.76 0.00 2.51 0.67 0.12 65.94 03:41:01 AM 3 28.13 0.00 2.60 1.34 0.10 67.83 03:41:01 AM 4 30.38 0.00 1.82 0.79 0.10 66.91 03:41:01 AM 5 34.28 0.00 2.40 3.68 0.12 59.52 03:41:01 AM 6 30.73 0.00 1.49 0.45 0.08 67.25 03:41:01 AM 7 20.20 0.00 1.99 1.10 0.12 76.58 03:42:01 AM all 11.86 0.00 2.23 0.53 0.09 85.30 03:42:01 AM 0 12.70 0.00 2.63 0.15 0.10 84.42 03:42:01 AM 1 5.24 0.00 1.54 0.25 0.07 92.90 03:42:01 AM 2 5.33 0.00 1.84 1.26 0.08 91.48 03:42:01 AM 3 22.04 0.00 2.71 0.27 0.12 74.86 03:42:01 AM 4 19.78 0.00 2.20 0.69 0.08 77.25 03:42:01 AM 5 9.91 0.00 1.83 0.08 0.08 88.10 03:42:01 AM 6 8.23 0.00 2.16 0.34 0.08 89.18 03:42:01 AM 7 11.63 0.00 2.92 1.17 0.08 84.20 Average: all 17.48 0.00 1.88 1.12 0.09 79.42 Average: 0 12.17 0.00 1.65 0.38 0.09 85.70 Average: 1 11.67 0.00 1.68 1.64 0.09 84.93 Average: 2 19.07 0.00 2.30 1.63 0.10 76.90 Average: 3 21.59 0.00 2.25 0.91 0.10 75.14 Average: 4 19.50 0.00 1.48 0.89 0.09 78.05 Average: 5 21.06 0.00 1.97 1.87 0.09 75.00 Average: 6 17.41 0.00 1.54 0.42 0.09 80.54 Average: 7 17.38 0.00 2.20 1.21 0.09 79.12