---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65838 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 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 746 9510 4 5732 14900 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:cf:ce:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83666sec preferred_lft 83666sec inet6 fe80::f816:3eff:fecf:cee7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:1e:f2:4f:35:21 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-65838) 04/01/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:17 15.65 2.31 12.27 1.07 136.18 4012.16 6322.51 20:50:02 57.69 0.32 46.50 10.88 9.85 4125.67 9511.28 21:00:17 35.73 0.29 28.92 6.52 11.43 4947.16 10105.30 Average: 36.18 0.97 29.09 6.12 52.49 4368.46 8651.61 20:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:17 9552400 13185244 2771584 16.93 171032 3548604 3036848 17.43 659340 5726388 109044 20:50:02 9021180 13337528 2612660 15.96 205932 4142812 2757364 15.83 818188 6034232 19460 21:00:17 9865488 15368700 577392 3.53 242500 5228424 1115744 6.40 1205532 4742240 12 Average: 9479689 13963824 1987212 12.14 206488 4306613 2303319 13.22 894353 5500953 42839 20:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:17 lo 1.37 1.37 0.15 0.15 0.00 0.00 0.00 0.00 20:40:17 ens3 103.58 81.74 563.99 21.54 0.00 0.00 0.00 0.00 20:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5494.89 5494.89 5240.69 5240.69 0.00 0.00 0.00 0.00 20:50:02 ens3 84.65 63.77 271.65 20.37 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:17 lo 2851.26 2851.26 2714.20 2714.20 0.00 0.00 0.00 0.00 21:00:17 ens3 80.22 68.00 101.62 67.48 0.00 0.00 0.00 0.00 21:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2761.28 2761.28 2631.39 2631.39 0.00 0.00 0.00 0.00 Average: ens3 89.45 71.20 310.98 36.85 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-65838) 04/01/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:17 CPU %user %nice %system %iowait %steal %idle 20:40:17 all 69.35 0.00 2.48 0.09 0.11 27.98 20:40:17 0 71.45 0.00 2.69 0.17 0.10 25.59 20:40:17 1 69.36 0.00 2.67 0.07 0.11 27.79 20:40:17 2 66.69 0.00 2.38 0.09 0.11 30.73 20:40:17 3 69.90 0.00 2.17 0.03 0.10 27.80 20:50:02 all 62.01 0.00 4.14 0.21 0.11 33.53 20:50:02 0 61.78 0.00 3.84 0.09 0.10 34.18 20:50:02 1 60.15 0.00 3.96 0.57 0.11 35.21 20:50:02 2 62.58 0.00 4.38 0.11 0.11 32.83 20:50:02 3 63.53 0.00 4.39 0.08 0.10 31.90 21:00:17 all 51.12 0.00 3.03 0.12 0.14 45.59 21:00:17 0 48.87 0.00 2.79 0.09 0.09 48.17 21:00:17 1 50.51 0.00 2.89 0.14 0.10 46.36 21:00:17 2 53.85 0.00 3.30 0.09 0.09 42.66 21:00:17 3 51.26 0.00 3.13 0.15 0.29 45.17 Average: all 60.73 0.00 3.21 0.14 0.12 35.80 Average: 0 60.58 0.00 3.09 0.12 0.10 36.11 Average: 1 59.93 0.00 3.17 0.26 0.10 36.55 Average: 2 60.96 0.00 3.34 0.10 0.10 35.49 Average: 3 61.46 0.00 3.22 0.09 0.17 35.07