---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11519 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 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 720 10759 4 4508 14925 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:52:46:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84350sec preferred_lft 84350sec inet6 fe80::f816:3eff:fe52:46b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:cb:f4:61:78:7f 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-11519) 05/06/26 _x86_64_ (4 CPU) 21:57:20 LINUX RESTART (4 CPU) 22:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:03 66.59 2.84 42.24 21.50 353.13 5767.09 260400.20 22:20:03 29.19 0.31 23.41 5.46 12.03 3131.91 4868.67 22:30:03 1.44 0.00 1.44 0.00 0.00 20.72 0.01 Average: 32.30 1.05 22.30 8.95 120.99 2964.47 87882.90 22:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:03 10122236 13801068 2156084 13.17 162108 3625368 2594736 14.89 685708 5169780 131292 22:20:03 11116916 15369496 583864 3.57 198984 4114616 1117276 6.41 874136 3903004 200 22:30:03 11112896 15365928 587104 3.59 199424 4114620 1117372 6.41 875208 3902496 368 Average: 10784016 14845497 1109017 6.77 186839 3951535 1609795 9.24 811684 4325093 43953 22:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:03 lo 3972.34 3972.34 3787.44 3787.44 0.00 0.00 0.00 0.00 22:10:03 ens3 163.70 123.82 941.04 31.45 0.00 0.00 0.00 0.00 22:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:03 lo 2025.50 2025.50 1925.47 1925.47 0.00 0.00 0.00 0.00 22:20:03 ens3 75.57 65.14 106.55 71.80 0.00 0.00 0.00 0.00 22:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:03 lo 12.02 12.02 1.25 1.25 0.00 0.00 0.00 0.00 22:30:03 ens3 33.20 37.67 14.40 89.16 0.00 0.00 0.00 0.00 22:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1997.11 1997.11 1898.81 1898.81 0.00 0.00 0.00 0.00 Average: ens3 90.60 75.39 352.15 64.24 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-11519) 05/06/26 _x86_64_ (4 CPU) 21:57:20 LINUX RESTART (4 CPU) 22:00:09 CPU %user %nice %system %iowait %steal %idle 22:10:03 all 63.06 0.00 3.82 0.18 0.09 32.86 22:10:03 0 64.16 0.00 3.60 0.21 0.09 31.95 22:10:03 1 62.96 0.00 4.21 0.08 0.08 32.66 22:10:03 2 61.70 0.00 3.75 0.14 0.09 34.32 22:10:03 3 63.41 0.00 3.72 0.28 0.09 32.50 22:20:03 all 32.15 0.00 1.92 0.07 0.05 65.80 22:20:03 0 30.00 0.00 2.07 0.04 0.05 67.84 22:20:03 1 30.57 0.00 1.70 0.06 0.06 67.61 22:20:03 2 32.31 0.00 1.99 0.04 0.05 65.62 22:20:03 3 35.71 0.00 1.94 0.16 0.06 62.13 22:30:03 all 3.97 0.00 0.12 0.01 0.03 95.88 22:30:03 0 1.09 0.00 0.07 0.00 0.02 98.81 22:30:03 1 1.16 0.00 0.08 0.00 0.04 98.72 22:30:03 2 3.65 0.00 0.10 0.00 0.03 96.22 22:30:03 3 9.96 0.00 0.23 0.03 0.03 89.75 Average: all 32.91 0.00 1.95 0.09 0.06 65.00 Average: 0 31.60 0.00 1.90 0.08 0.05 66.36 Average: 1 31.41 0.00 1.99 0.05 0.06 66.50 Average: 2 32.42 0.00 1.94 0.06 0.05 65.53 Average: 3 36.23 0.00 1.96 0.15 0.06 61.60