---> uname -a: Linux prd-centos8-docker-4c-4g-3582.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: 2799.996 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1462 11075 19 3224 13953 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:e0:43:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85929sec preferred_lft 85929sec inet6 fe80::f816:3eff:fee0:4361/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:04:5a:0a:6b 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::42:4ff:fe5a:a6b/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) 03/21/2026 _x86_64_ (4 CPU) 00:32:20 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 162.28 14.36 147.92 3043.92 10302.23 12:35:01 AM 187.00 7.41 179.59 1033.92 12758.61 12:36:01 AM 32.09 0.00 32.09 0.00 7770.62 12:37:01 AM 5.25 1.63 3.62 135.84 342.58 12:38:01 AM 82.67 1.87 80.81 519.29 15099.03 12:39:01 AM 38.34 2.63 35.71 73.95 4502.00 12:40:01 AM 23.94 0.45 23.49 63.85 1279.22 Average: 75.94 4.05 71.89 695.83 7436.35 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12835748 14930024 3305784 20.48 2688 2303068 1235248 7.19 183140 2735764 237416 12:35:01 AM 11216552 13662624 4924980 30.51 2688 2646676 2306300 13.42 259532 4242288 221420 12:36:01 AM 10100356 12552496 6041176 37.43 2688 2652524 3246320 18.88 274216 5340452 3500 12:37:01 AM 8711052 11173844 7430480 46.03 2688 2662912 4640640 27.00 275272 6725460 2340 12:38:01 AM 6138924 9150264 10002608 61.97 2688 3200360 13385688 77.87 393692 9094688 97228 12:39:01 AM 11732032 14670860 4409500 27.32 2688 3127896 1384188 8.05 443968 3503640 20220 12:40:01 AM 11376652 14322200 4764880 29.52 2688 3133668 1693312 9.85 668396 3631268 23176 Average: 10301617 12923187 5839915 36.18 2688 2818158 3984528 23.18 356888 5039080 86471 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 288.84 174.51 3540.26 27.72 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 408.63 307.18 4763.14 43.64 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 125.93 81.10 46.74 60.44 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 236.21 161.29 72.65 72.13 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 14.60 14.60 26.99 26.99 0.00 0.00 0.00 0.00 12:38:01 AM eth0 218.14 112.78 2828.27 10.22 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth779bb78 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-6f5dc314b8f2 5.45 5.40 25.58 0.91 0.00 0.00 0.00 0.00 12:38:01 AM veth8ce3cf5 5.48 5.31 25.64 0.88 0.00 0.00 0.00 0.00 12:38:01 AM veth734505c 10.50 10.93 26.52 26.56 0.00 0.00 0.00 0.00 12:39:01 AM lo 2.56 2.56 0.19 0.19 0.00 0.00 0.00 0.00 12:39:01 AM eth0 190.52 125.72 610.78 57.44 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 79.79 44.04 33.13 162.06 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.45 2.45 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 221.15 143.80 1699.31 61.95 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.05 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_ (4 CPU) 00:32:20 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 20.59 0.00 1.95 0.89 0.08 76.49 12:34:01 AM 0 10.75 0.00 1.52 1.05 0.08 86.59 12:34:01 AM 1 32.43 0.00 2.67 1.04 0.10 63.76 12:34:01 AM 2 22.51 0.00 2.18 0.87 0.07 74.37 12:34:01 AM 3 16.66 0.00 1.42 0.60 0.07 81.25 12:35:01 AM all 55.99 0.00 2.13 0.98 0.11 40.79 12:35:01 AM 0 45.89 0.00 2.73 1.20 0.10 50.08 12:35:01 AM 1 62.69 0.00 2.44 1.67 0.10 33.10 12:35:01 AM 2 54.74 0.00 1.82 0.55 0.12 42.77 12:35:01 AM 3 60.66 0.00 1.52 0.48 0.12 37.22 12:36:01 AM all 40.98 0.00 1.37 0.25 0.08 57.32 12:36:01 AM 0 43.85 0.00 1.27 0.48 0.08 54.31 12:36:01 AM 1 33.41 0.00 1.37 0.30 0.08 64.84 12:36:01 AM 2 45.75 0.00 1.72 0.22 0.08 52.23 12:36:01 AM 3 40.91 0.00 1.12 0.00 0.08 57.89 12:37:01 AM all 20.71 0.00 1.27 0.02 0.07 77.93 12:37:01 AM 0 18.42 0.00 0.57 0.00 0.07 80.94 12:37:01 AM 1 12.03 0.00 1.35 0.03 0.07 86.52 12:37:01 AM 2 40.35 0.00 1.82 0.03 0.08 57.71 12:37:01 AM 3 12.05 0.00 1.35 0.02 0.05 86.53 12:38:01 AM all 35.71 0.00 3.31 3.91 0.21 56.85 12:38:01 AM 0 34.67 0.00 2.83 0.51 0.12 61.88 12:38:01 AM 1 33.72 0.00 2.73 13.56 0.14 49.86 12:38:01 AM 2 38.30 0.00 3.39 0.58 0.14 57.59 12:38:01 AM 3 36.11 0.00 4.29 1.02 0.46 58.12 12:39:01 AM all 28.76 0.00 1.55 0.25 0.08 69.37 12:39:01 AM 0 31.52 0.00 1.52 0.35 0.08 66.52 12:39:01 AM 1 28.44 0.00 1.64 0.15 0.08 69.68 12:39:01 AM 2 32.00 0.00 1.60 0.40 0.07 65.93 12:39:01 AM 3 23.06 0.00 1.44 0.10 0.07 75.33 12:40:01 AM all 23.97 0.00 1.40 0.09 0.07 74.48 12:40:01 AM 0 32.26 0.00 1.55 0.10 0.08 66.01 12:40:01 AM 1 21.41 0.00 0.90 0.03 0.05 77.60 12:40:01 AM 2 17.17 0.00 1.62 0.05 0.07 81.10 12:40:01 AM 3 25.03 0.00 1.53 0.17 0.07 73.20 Average: all 32.37 0.00 1.85 0.90 0.10 64.78 Average: 0 31.03 0.00 1.70 0.53 0.09 66.65 Average: 1 32.00 0.00 1.87 2.35 0.09 63.69 Average: 2 35.83 0.00 2.02 0.39 0.09 61.68 Average: 3 30.63 0.00 1.80 0.34 0.13 67.09