---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23375 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 11G 67G 14% / 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 658 10184 4 5146 14988 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:be:08:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84503sec preferred_lft 84503sec inet6 fe80::f816:3eff:febe:8ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:78:8d:72:c5:85 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-23375) 06/03/26 _x86_64_ (4 CPU) 09:17:09 LINUX RESTART (4 CPU) 09:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:25 13.74 2.38 10.55 0.80 700.94 2737.62 3845.99 09:40:01 17.22 0.82 14.76 1.64 29.26 3278.45 3321.37 Average: 15.41 1.63 12.57 1.20 379.05 2996.80 3594.58 09:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:25 10148328 13667068 2292924 14.00 127532 3524220 2907580 16.69 725368 5120232 24948 09:40:01 8696164 13204480 2747272 16.78 165836 4393004 3045616 17.48 956500 6251432 95196 Average: 9422246 13435774 2520098 15.39 146684 3958612 2976598 17.09 840934 5685832 60072 09:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:25 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 09:30:25 ens3 85.14 65.13 846.89 11.74 0.00 0.00 0.00 0.00 09:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 450.86 450.86 428.78 428.78 0.00 0.00 0.00 0.00 09:40:01 ens3 94.54 68.00 347.59 25.62 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 216.41 216.41 205.52 205.52 0.00 0.00 0.00 0.00 Average: ens3 89.65 66.51 607.62 18.39 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-23375) 06/03/26 _x86_64_ (4 CPU) 09:17:09 LINUX RESTART (4 CPU) 09:20:00 CPU %user %nice %system %iowait %steal %idle 09:30:25 all 33.29 0.00 1.13 0.08 0.06 65.45 09:30:25 0 32.80 0.00 1.01 0.17 0.06 65.97 09:30:25 1 32.78 0.00 1.15 0.06 0.06 65.95 09:30:25 2 34.10 0.00 1.20 0.05 0.06 64.59 09:30:25 3 33.47 0.00 1.15 0.05 0.06 65.28 09:40:01 all 70.41 0.00 2.49 0.04 0.10 26.96 09:40:01 0 70.73 0.00 2.68 0.05 0.10 26.45 09:40:01 1 71.44 0.00 2.71 0.04 0.10 25.71 09:40:01 2 70.45 0.00 2.31 0.04 0.10 27.10 09:40:01 3 69.02 0.00 2.27 0.03 0.10 28.58 Average: all 51.07 0.00 1.78 0.06 0.08 47.01 Average: 0 50.96 0.00 1.81 0.11 0.08 47.04 Average: 1 51.30 0.00 1.90 0.05 0.08 46.67 Average: 2 51.51 0.00 1.73 0.05 0.08 46.63 Average: 3 50.50 0.00 1.69 0.04 0.08 47.70