---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66279 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 9.9G 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 668 10954 4 4366 14978 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:6c:31:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84723sec preferred_lft 84723sec inet6 fe80::f816:3eff:fe6c:31dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:87:2d:1e:c4:42 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66279) 04/03/26 _x86_64_ (4 CPU) 21:55:31 LINUX RESTART (4 CPU) 22:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:00 49.85 2.63 39.50 7.72 144.82 4706.11 5808.70 22:20:00 28.12 0.31 23.11 4.69 11.92 3144.96 8715.55 Average: 38.99 1.47 31.31 6.21 78.37 3925.52 7262.15 22:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:00 10477416 13895620 2062232 12.60 165464 3366076 2247644 12.90 616476 4885684 23088 22:20:00 11289424 15397720 555540 3.39 203668 3965552 1097440 6.30 817032 3793240 188 Average: 10883420 14646670 1308886 7.99 184566 3665814 1672542 9.60 716754 4339462 11638 22:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:00 lo 4147.86 4147.86 3955.96 3955.96 0.00 0.00 0.00 0.00 22:10:00 ens3 166.90 127.18 855.35 33.10 0.00 0.00 0.00 0.00 22:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:00 lo 2144.35 2144.35 2035.60 2035.60 0.00 0.00 0.00 0.00 22:20:00 ens3 91.15 84.48 113.07 123.32 0.00 0.00 0.00 0.00 22:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3146.09 3146.09 2995.76 2995.76 0.00 0.00 0.00 0.00 Average: ens3 129.03 105.83 484.20 78.21 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66279) 04/03/26 _x86_64_ (4 CPU) 21:55:31 LINUX RESTART (4 CPU) 22:00:00 CPU %user %nice %system %iowait %steal %idle 22:10:00 all 62.49 0.00 3.85 0.14 0.09 33.44 22:10:00 0 62.37 0.00 3.67 0.17 0.09 33.70 22:10:00 1 61.95 0.00 4.08 0.11 0.09 33.77 22:10:00 2 63.06 0.00 3.48 0.14 0.09 33.23 22:10:00 3 62.57 0.00 4.18 0.12 0.09 33.04 22:20:00 all 36.95 0.00 2.19 0.08 0.07 60.70 22:20:00 0 38.07 0.00 2.19 0.14 0.07 59.53 22:20:00 1 35.37 0.00 2.32 0.08 0.07 62.17 22:20:00 2 37.62 0.00 2.34 0.05 0.07 59.92 22:20:00 3 36.75 0.00 1.91 0.07 0.07 61.20 Average: all 49.71 0.00 3.02 0.11 0.08 47.08 Average: 0 50.22 0.00 2.93 0.15 0.08 46.62 Average: 1 48.66 0.00 3.20 0.09 0.08 47.97 Average: 2 50.34 0.00 2.91 0.10 0.08 46.58 Average: 3 49.64 0.00 3.04 0.09 0.08 47.14