---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11640 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: 5600.00 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 10G 68G 13% / 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 629 10933 4 4426 15017 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:0c:da:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85010sec preferred_lft 85010sec inet6 fe80::f816:3eff:fe0c:dad7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:54:e2:f8:96:11 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-11640) 05/07/26 _x86_64_ (4 CPU) 06:28:58 LINUX RESTART (4 CPU) 06:30:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:35 23.08 3.52 18.48 1.08 180.92 5337.80 2590.84 06:50:01 36.99 0.05 33.12 3.81 1.44 3411.62 20187.32 Average: 29.81 1.84 25.57 2.40 94.03 4405.34 11109.28 06:30:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:35 9815112 13479184 2478336 15.14 149776 3610164 3020216 17.34 672836 5473024 99916 06:50:01 9086208 13220740 2732252 16.69 176140 4011736 3121196 17.92 823104 6007880 19220 Average: 9450660 13349962 2605294 15.91 162958 3810950 3070706 17.63 747970 5740452 59568 06:30:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:35 lo 424.35 424.35 403.73 403.73 0.00 0.00 0.00 0.00 06:40:35 ens3 109.27 83.93 892.62 17.26 0.00 0.00 0.00 0.00 06:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1784.03 1784.03 1700.83 1700.83 0.00 0.00 0.00 0.00 06:50:01 ens3 54.79 40.21 125.11 11.71 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1082.57 1082.57 1031.66 1031.66 0.00 0.00 0.00 0.00 Average: ens3 82.90 62.77 521.07 14.57 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-11640) 05/07/26 _x86_64_ (4 CPU) 06:28:58 LINUX RESTART (4 CPU) 06:30:32 CPU %user %nice %system %iowait %steal %idle 06:40:35 all 46.18 0.00 1.60 0.07 0.08 52.06 06:40:35 0 45.02 0.00 1.63 0.07 0.08 53.20 06:40:35 1 46.17 0.00 1.82 0.10 0.09 51.82 06:40:35 2 46.00 0.00 1.73 0.06 0.08 52.13 06:40:35 3 47.51 0.00 1.23 0.06 0.09 51.11 06:50:01 all 62.96 0.00 2.68 0.08 0.10 34.19 06:50:01 0 62.07 0.00 2.72 0.05 0.10 35.05 06:50:01 1 65.11 0.00 3.01 0.08 0.10 31.70 06:50:01 2 62.36 0.00 2.41 0.10 0.10 35.03 06:50:01 3 62.28 0.00 2.59 0.07 0.10 34.96 Average: all 54.29 0.00 2.13 0.07 0.09 43.42 Average: 0 53.27 0.00 2.16 0.06 0.09 44.42 Average: 1 55.33 0.00 2.40 0.09 0.09 42.09 Average: 2 53.92 0.00 2.06 0.08 0.09 43.85 Average: 3 54.65 0.00 1.89 0.07 0.09 43.31