---> uname -a: Linux prd-centos8-docker-4c-4g-2551.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 1484 10856 19 3421 13930 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:40:b4:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.38/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85956sec preferred_lft 85956sec inet6 fe80::f816:3eff:fe40:b419/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:31:aa:ec:de 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::42:31ff:feaa:ecde/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) 04/18/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 217.53 19.05 198.48 3509.55 11004.05 12:35:01 AM 149.40 3.35 146.05 783.34 20217.21 12:36:01 AM 23.29 0.00 23.29 0.00 6434.41 12:37:01 AM 5.83 2.70 3.13 161.71 304.83 12:38:01 AM 89.59 0.63 88.95 426.20 18436.99 12:39:01 AM 29.92 2.62 27.31 73.58 1315.53 Average: 85.93 4.72 81.20 825.68 9618.81 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12446408 14805452 3695124 22.89 2688 2565448 1294144 7.53 194988 3106440 482008 12:35:01 AM 10676384 13333260 5465148 33.86 2688 2857056 2607184 15.17 276112 4763672 184844 12:36:01 AM 10175552 12838256 5965980 36.96 2688 2862728 2989188 17.39 281596 5256396 1896 12:37:01 AM 9565460 12240132 6576072 40.74 2688 2874292 3592344 20.90 291444 5851980 680 12:38:01 AM 8292396 11387068 7849136 48.63 2688 3284068 4683208 27.24 422292 6950240 996 12:39:01 AM 11196100 14343168 4945432 30.64 2688 3336060 1676128 9.75 498988 3983268 26708 Average: 10392050 13157889 5749482 35.62 2688 2963275 2807033 16.33 327570 4985333 116189 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 408.60 242.08 7005.15 38.68 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 295.05 213.53 4082.03 32.22 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 244.47 149.48 77.79 89.90 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 1.57 1.57 0.24 0.24 0.00 0.00 0.00 0.00 12:37:01 AM eth0 225.83 161.96 63.12 63.00 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 14.88 14.88 26.83 26.83 0.00 0.00 0.00 0.00 12:38:01 AM eth0 187.64 109.57 2825.92 9.52 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 veth2fea00c 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-cf6954b47c8f 5.60 5.48 25.61 0.93 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.58 0.58 0.03 0.03 0.00 0.00 0.00 0.00 12:39:01 AM eth0 269.89 153.67 631.32 211.24 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.84 2.84 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 271.91 171.71 2447.48 74.10 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 04/18/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 26.09 0.00 2.41 1.10 0.09 70.31 12:34:01 AM 0 24.57 0.00 2.43 0.47 0.08 72.45 12:34:01 AM 1 19.44 0.00 2.41 1.50 0.10 76.54 12:34:01 AM 2 39.27 0.00 2.96 1.19 0.08 56.50 12:34:01 AM 3 21.07 0.00 1.86 1.24 0.08 75.75 12:35:01 AM all 60.89 0.00 1.86 0.74 0.10 36.42 12:35:01 AM 0 62.44 0.00 1.25 0.73 0.12 35.46 12:35:01 AM 1 56.53 0.00 1.82 0.74 0.08 40.83 12:35:01 AM 2 65.06 0.00 2.89 1.02 0.08 30.94 12:35:01 AM 3 59.51 0.00 1.49 0.45 0.10 38.45 12:36:01 AM all 30.33 0.00 1.41 0.17 0.08 68.02 12:36:01 AM 0 32.05 0.00 0.98 0.03 0.07 66.86 12:36:01 AM 1 23.08 0.00 1.72 0.62 0.08 74.50 12:36:01 AM 2 26.93 0.00 1.52 0.00 0.08 71.46 12:36:01 AM 3 39.25 0.00 1.40 0.03 0.07 59.25 12:37:01 AM all 29.66 0.00 1.26 0.11 0.08 68.89 12:37:01 AM 0 50.60 0.00 1.79 0.33 0.08 47.20 12:37:01 AM 1 24.08 0.00 1.27 0.12 0.08 74.45 12:37:01 AM 2 15.41 0.00 1.09 0.00 0.08 83.42 12:37:01 AM 3 28.54 0.00 0.90 0.00 0.05 70.51 12:38:01 AM all 23.52 0.00 3.38 0.69 0.10 72.31 12:38:01 AM 0 29.15 0.00 2.69 0.92 0.08 67.16 12:38:01 AM 1 19.26 0.00 3.10 0.76 0.12 76.77 12:38:01 AM 2 21.43 0.00 3.06 0.59 0.10 74.82 12:38:01 AM 3 24.25 0.00 4.67 0.49 0.08 70.52 12:39:01 AM all 39.55 0.00 1.37 0.20 0.08 58.79 12:39:01 AM 0 41.84 0.00 1.04 0.00 0.08 57.05 12:39:01 AM 1 26.73 0.00 0.99 0.10 0.08 72.10 12:39:01 AM 2 44.21 0.00 1.95 0.28 0.08 53.47 12:39:01 AM 3 45.41 0.00 1.50 0.43 0.08 52.57 Average: all 35.02 0.00 1.95 0.50 0.09 62.45 Average: 0 40.11 0.00 1.70 0.41 0.09 57.69 Average: 1 28.20 0.00 1.88 0.64 0.09 69.19 Average: 2 35.39 0.00 2.24 0.51 0.09 61.76 Average: 3 36.36 0.00 1.97 0.44 0.08 61.16