---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35691 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 740 9406 4 5842 14906 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:c6:dc:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fec6:dc48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:97:6b:25:09:d0 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35691) 07/14/26 _x86_64_ (4 CPU) 06:26:32 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 27.87 2.87 23.05 1.96 173.98 5459.31 8935.76 06:50:02 35.19 0.04 31.71 3.44 1.54 5872.70 11983.50 Average: 31.53 1.45 27.38 2.70 87.71 5666.14 10460.59 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9258028 13229272 2725288 16.64 160928 3889184 3039472 17.45 727156 5957080 14836 06:50:02 7764684 13129272 2818692 17.22 193640 5175532 3256780 18.69 1022628 7066648 41288 Average: 8511356 13179272 2771990 16.93 177284 4532358 3148126 18.07 874892 6511864 28062 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 665.91 665.91 633.88 633.88 0.00 0.00 0.00 0.00 06:40:01 ens3 126.99 88.05 1141.65 18.26 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 lo 1504.68 1504.68 1434.14 1434.14 0.00 0.00 0.00 0.00 06:50:02 ens3 58.12 45.52 214.10 13.44 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1085.56 1085.56 1034.26 1034.26 0.00 0.00 0.00 0.00 Average: ens3 92.53 66.78 677.58 15.85 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35691) 07/14/26 _x86_64_ (4 CPU) 06:26:32 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 60.65 0.00 2.11 0.10 0.09 37.05 06:40:01 0 61.20 0.00 2.07 0.08 0.10 36.55 06:40:01 1 59.17 0.00 2.22 0.12 0.10 38.39 06:40:01 2 62.73 0.00 2.26 0.09 0.10 34.82 06:40:01 3 59.50 0.00 1.88 0.11 0.09 38.42 06:50:02 all 58.64 0.00 2.52 0.13 0.10 38.62 06:50:02 0 59.33 0.00 2.32 0.15 0.11 38.10 06:50:02 1 58.04 0.00 2.33 0.14 0.10 39.38 06:50:02 2 61.24 0.00 2.96 0.18 0.11 35.52 06:50:02 3 55.94 0.00 2.45 0.05 0.10 41.47 Average: all 59.64 0.00 2.31 0.12 0.10 37.83 Average: 0 60.26 0.00 2.20 0.12 0.10 37.32 Average: 1 58.60 0.00 2.28 0.13 0.10 38.89 Average: 2 61.99 0.00 2.61 0.14 0.10 35.17 Average: 3 57.72 0.00 2.16 0.08 0.10 39.94