---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26903 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 748 9445 4 5795 14897 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:bf:15:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84459sec preferred_lft 84459sec inet6 fe80::f816:3eff:febf:1587/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:3c:8d:8a:45:60 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-26903) 06/12/26 _x86_64_ (4 CPU) 15:47:21 LINUX RESTART (4 CPU) 15:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:05 26.59 2.70 22.07 1.81 149.14 4897.41 6662.28 16:10:01 33.26 0.04 29.78 3.44 1.26 3133.91 30149.86 Average: 29.92 1.37 25.92 2.63 75.44 4018.60 18366.99 15:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:05 9060696 13063216 2891448 17.66 158800 3921152 3212316 18.44 747636 6129800 183784 16:10:01 8889760 13285264 2665796 16.28 188800 4246728 2859384 16.41 894368 6116804 30200 Average: 8975228 13174240 2778622 16.97 173800 4083940 3035850 17.43 821002 6123302 106992 15:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:05 lo 694.97 694.97 661.92 661.92 0.00 0.00 0.00 0.00 16:00:05 ens3 113.48 87.77 920.53 17.55 0.00 0.00 0.00 0.00 16:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1536.98 1536.98 1464.83 1464.83 0.00 0.00 0.00 0.00 16:10:01 ens3 47.09 37.04 141.65 11.91 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1114.58 1114.58 1062.04 1062.04 0.00 0.00 0.00 0.00 Average: ens3 80.39 62.49 532.38 14.74 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-26903) 06/12/26 _x86_64_ (4 CPU) 15:47:21 LINUX RESTART (4 CPU) 15:50:05 CPU %user %nice %system %iowait %steal %idle 16:00:05 all 57.30 0.00 2.03 0.06 0.09 40.52 16:00:05 0 56.32 0.00 1.88 0.04 0.09 41.66 16:00:05 1 56.05 0.00 1.92 0.05 0.09 41.90 16:00:05 2 57.22 0.00 2.44 0.08 0.09 40.17 16:00:05 3 59.61 0.00 1.88 0.07 0.09 38.36 16:10:01 all 56.37 0.00 2.39 0.06 0.10 41.09 16:10:01 0 55.54 0.00 2.62 0.05 0.10 41.69 16:10:01 1 55.88 0.00 2.49 0.06 0.10 41.47 16:10:01 2 56.61 0.00 2.17 0.09 0.09 41.05 16:10:01 3 57.45 0.00 2.29 0.03 0.10 40.14 Average: all 56.84 0.00 2.21 0.06 0.09 40.80 Average: 0 55.93 0.00 2.25 0.05 0.09 41.68 Average: 1 55.96 0.00 2.20 0.05 0.09 41.69 Average: 2 56.92 0.00 2.30 0.08 0.09 40.61 Average: 3 58.53 0.00 2.08 0.05 0.09 39.25