---> uname -a: Linux prd-centos8-docker-4c-4g-5047.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 805 11904 19 3053 14611 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:28:fb:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.239/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85921sec preferred_lft 85921sec inet6 fe80::f816:3eff:fe28:fb87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:1e:45:f1 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:c5ff:fe1e:45f1/64 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) 02/03/2026 _x86_64_ (4 CPU) 09:52:11 LINUX RESTART (4 CPU) 09:53:01 AM tps rtps wtps bread/s bwrtn/s 09:54:01 AM 93.66 0.32 93.34 9.90 6039.18 09:55:01 AM 168.07 18.13 149.94 3290.12 9808.60 09:56:01 AM 96.85 3.23 93.62 775.20 5212.58 09:57:01 AM 24.46 0.00 24.46 0.00 6429.88 09:58:01 AM 4.78 1.70 3.08 51.06 248.99 09:59:01 AM 86.97 1.63 85.34 499.83 18401.58 10:00:01 AM 29.92 0.45 29.47 63.85 1061.65 Average: 72.05 3.65 68.41 671.55 6745.03 09:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:54:01 AM 13200496 15050120 2941036 18.22 2688 2059816 1163440 6.77 146972 2421652 220584 09:55:01 AM 12668876 14729448 3472656 21.51 2688 2266472 1388736 8.08 167128 2905900 85240 09:56:01 AM 10471956 12790692 5669576 35.12 2688 2519944 3091724 17.99 262312 4984180 183860 09:57:01 AM 10048092 12370508 6093440 37.75 2688 2523532 3350112 19.49 262408 5406644 936 09:58:01 AM 8658476 10991980 7483056 46.36 2688 2534220 4687712 27.27 266528 6788108 4456 09:59:01 AM 8394888 11158832 7746644 47.99 2688 2954192 4790876 27.87 404800 6867524 112 10:00:01 AM 12168776 14946920 3972756 24.61 2688 2967868 1202800 7.00 588992 2924476 30780 Average: 10801651 13148357 5339881 33.08 2688 2546578 2810771 16.35 299877 4614069 75138 09:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:54:01 AM eth0 64.31 48.65 1148.63 8.55 0.00 0.00 0.00 0.00 09:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:55:01 AM eth0 155.99 143.19 1663.16 24.87 0.00 0.00 0.00 0.00 09:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 AM eth0 225.10 171.85 3442.91 27.46 0.00 0.00 0.00 0.00 09:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 AM eth0 19.15 15.21 8.82 27.00 0.00 0.00 0.00 0.00 09:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 AM eth0 21.48 19.13 4.64 16.05 0.00 0.00 0.00 0.00 09:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 AM lo 16.78 16.78 27.31 27.31 0.00 0.00 0.00 0.00 09:59:01 AM eth0 238.75 137.89 2830.39 11.32 0.00 0.00 0.00 0.00 09:59:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:59:01 AM veth706e11c 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 09:59:01 AM br-4456c7c4a74d 5.50 5.43 25.62 0.92 0.00 0.00 0.00 0.00 10:00:01 AM lo 0.85 0.85 0.04 0.04 0.00 0.00 0.00 0.00 10:00:01 AM eth0 20.53 17.01 15.30 8.48 0.00 0.00 0.00 0.00 10:00:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.52 2.52 3.92 3.92 0.00 0.00 0.00 0.00 Average: eth0 106.57 79.06 1302.35 17.69 0.00 0.00 0.00 0.00 Average: docker0 0.03 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) 02/03/2026 _x86_64_ (4 CPU) 09:52:11 LINUX RESTART (4 CPU) 09:53:01 AM CPU %user %nice %system %iowait %steal %idle 09:54:01 AM all 14.19 0.00 1.34 0.52 0.10 83.84 09:54:01 AM 0 13.74 0.00 1.66 0.54 0.10 83.96 09:54:01 AM 1 12.37 0.00 0.95 0.25 0.07 86.36 09:54:01 AM 2 25.26 0.00 2.16 0.63 0.10 71.86 09:54:01 AM 3 5.39 0.00 0.59 0.66 0.14 93.22 09:55:01 AM all 13.64 0.00 1.90 7.51 0.11 76.84 09:55:01 AM 0 15.19 0.00 1.62 2.47 0.13 80.58 09:55:01 AM 1 14.18 0.00 2.22 14.88 0.12 68.60 09:55:01 AM 2 14.23 0.00 1.79 6.48 0.07 77.44 09:55:01 AM 3 10.96 0.00 1.96 6.22 0.12 80.75 09:56:01 AM all 63.92 0.00 2.14 0.61 0.11 33.22 09:56:01 AM 0 63.43 0.00 1.82 0.52 0.12 34.12 09:56:01 AM 1 61.74 0.00 1.71 0.74 0.10 35.72 09:56:01 AM 2 66.49 0.00 2.63 0.60 0.12 30.16 09:56:01 AM 3 64.03 0.00 2.39 0.57 0.12 32.89 09:57:01 AM all 20.00 0.00 0.42 0.30 0.09 79.18 09:57:01 AM 0 16.26 0.00 0.55 0.57 0.10 82.52 09:57:01 AM 1 17.77 0.00 0.35 0.00 0.10 81.78 09:57:01 AM 2 22.12 0.00 0.47 0.08 0.08 77.25 09:57:01 AM 3 23.87 0.00 0.32 0.57 0.07 75.18 09:58:01 AM all 37.57 0.00 0.84 0.03 0.10 61.46 09:58:01 AM 0 26.57 0.00 0.50 0.02 0.10 72.81 09:58:01 AM 1 21.76 0.00 0.60 0.02 0.12 77.51 09:58:01 AM 2 27.97 0.00 0.40 0.00 0.10 71.53 09:58:01 AM 3 73.97 0.00 1.84 0.08 0.08 24.02 09:59:01 AM all 23.81 0.00 3.53 1.62 0.12 70.93 09:59:01 AM 0 21.58 0.00 3.16 1.95 0.12 73.19 09:59:01 AM 1 24.64 0.00 3.82 3.35 0.10 68.08 09:59:01 AM 2 25.96 0.00 3.72 0.45 0.12 69.75 09:59:01 AM 3 23.04 0.00 3.42 0.71 0.13 72.70 10:00:01 AM all 24.96 0.00 1.44 0.18 0.08 73.34 10:00:01 AM 0 14.72 0.00 0.98 0.02 0.10 84.18 10:00:01 AM 1 29.56 0.00 1.62 0.23 0.08 68.50 10:00:01 AM 2 31.56 0.00 1.60 0.23 0.08 66.52 10:00:01 AM 3 24.03 0.00 1.54 0.22 0.07 74.15 Average: all 28.33 0.00 1.66 1.54 0.10 68.37 Average: 0 24.52 0.00 1.47 0.87 0.11 73.03 Average: 1 26.02 0.00 1.61 2.79 0.10 69.48 Average: 2 30.52 0.00 1.82 1.21 0.10 66.35 Average: 3 32.27 0.00 1.72 1.29 0.10 64.62