---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14702 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 68G 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 626 10608 4 4754 15020 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:7c:f8:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84747sec preferred_lft 84747sec inet6 fe80::f816:3eff:fe7c:f858/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:af:7d:bb:c0:7f 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-14702) 05/14/26 _x86_64_ (4 CPU) 15:33:35 LINUX RESTART (4 CPU) 15:40:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 1.35 0.01 1.34 0.01 0.04 15.76 0.42 16:00:17 54.56 4.93 46.84 2.79 281.49 9361.02 14999.49 Average: 28.85 2.55 24.85 1.44 145.48 4845.11 7751.48 15:40:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 13638920 15519068 497800 3.04 55736 2050208 1153344 6.62 257788 2231344 200 16:00:17 10937668 15448736 509824 3.11 125748 4509368 1012332 5.81 1089056 3927884 28 Average: 12288294 15483902 503812 3.08 90742 3279788 1082838 6.22 673422 3079614 114 15:40:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:50:01 ens3 1.42 0.75 0.27 0.81 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:17 lo 761.95 761.95 723.50 723.50 0.00 0.00 0.00 0.00 16:00:17 ens3 153.03 126.73 1197.24 602.71 0.00 0.00 0.00 0.00 16:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 393.81 393.81 373.89 373.89 0.00 0.00 0.00 0.00 Average: ens3 79.77 65.85 618.83 311.86 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-14702) 05/14/26 _x86_64_ (4 CPU) 15:33:35 LINUX RESTART (4 CPU) 15:40:24 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 0.17 0.00 0.03 0.11 0.01 99.68 15:50:01 0 0.13 0.00 0.03 0.11 0.01 99.73 15:50:01 1 0.07 0.00 0.04 0.00 0.01 99.88 15:50:01 2 0.04 0.00 0.04 0.01 0.02 99.89 15:50:01 3 0.46 0.00 0.02 0.30 0.01 99.21 16:00:17 all 40.20 0.00 1.93 0.69 0.09 57.09 16:00:17 0 38.76 0.00 1.95 0.53 0.09 58.67 16:00:17 1 39.96 0.00 1.62 0.66 0.09 57.66 16:00:17 2 41.32 0.00 2.24 1.13 0.09 55.22 16:00:17 3 40.77 0.00 1.92 0.44 0.09 56.78 Average: all 20.83 0.00 1.01 0.41 0.05 77.70 Average: 0 20.07 0.00 1.02 0.33 0.05 78.53 Average: 1 20.65 0.00 0.85 0.34 0.05 78.10 Average: 2 21.34 0.00 1.17 0.59 0.06 76.84 Average: 3 21.24 0.00 1.00 0.37 0.05 77.34