---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19732 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 66G 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 694 9355 4 5940 14952 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:88:1f:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:fe88:1f4e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:f9:32:99:f1:c3 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-19732) 05/25/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 11.29 0.03 9.51 1.75 0.65 754.21 42718.00 05:40:01 39.65 0.31 33.92 5.42 8.88 8255.68 29811.27 Average: 25.47 0.17 21.72 3.58 4.77 4504.95 36264.63 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9439740 13010416 2947936 18.00 132872 3548492 3240916 18.60 687780 5854480 46336 05:40:01 9684488 15399160 548384 3.35 171940 5551916 1055604 6.06 1564416 4591320 832 Average: 9562114 14204788 1748160 10.68 152406 4550204 2148260 12.33 1126098 5222900 23584 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 52.38 52.38 12.89 12.89 0.00 0.00 0.00 0.00 05:30:01 ens3 9.01 7.36 8.54 2.38 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 2228.47 2228.47 2144.21 2144.21 0.00 0.00 0.00 0.00 05:40:01 ens3 75.28 56.90 467.88 14.80 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1140.43 1140.43 1078.55 1078.55 0.00 0.00 0.00 0.00 Average: ens3 42.15 32.13 238.21 8.59 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-19732) 05/25/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 19.85 0.00 0.87 0.09 0.09 79.10 05:30:01 0 19.69 0.00 0.86 0.03 0.09 79.33 05:30:01 1 20.64 0.00 0.89 0.05 0.09 78.34 05:30:01 2 18.75 0.00 0.84 0.07 0.09 80.26 05:30:01 3 20.31 0.00 0.88 0.23 0.09 78.49 05:40:01 all 50.14 0.00 2.68 0.17 0.09 46.92 05:40:01 0 49.06 0.00 2.46 0.08 0.09 48.31 05:40:01 1 48.56 0.00 2.80 0.12 0.09 48.42 05:40:01 2 50.91 0.00 2.63 0.34 0.09 46.03 05:40:01 3 52.05 0.00 2.83 0.13 0.09 44.90 Average: all 34.97 0.00 1.77 0.13 0.09 63.03 Average: 0 34.35 0.00 1.66 0.05 0.09 63.85 Average: 1 34.58 0.00 1.84 0.08 0.09 63.40 Average: 2 34.82 0.00 1.74 0.20 0.09 63.15 Average: 3 36.15 0.00 1.85 0.18 0.09 61.73