---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54316 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 665 11058 4 4265 14981 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:9a:0f:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84270sec preferred_lft 84270sec inet6 fe80::f816:3eff:fe9a:fba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:38:ad:13:0c:cd 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-54316) 03/30/26 _x86_64_ (4 CPU) 20:53:26 LINUX RESTART (4 CPU) 21:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 58.56 2.62 35.42 20.52 145.34 4288.52 254721.66 21:20:10 32.09 0.31 26.54 5.24 11.69 3409.51 5477.91 Average: 45.05 1.44 30.89 12.72 77.13 3839.91 127516.76 21:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10420668 13781612 2177232 13.30 158720 3321608 2344176 13.46 576904 4990812 118904 21:20:10 11376960 15381528 572920 3.50 201336 3866596 1092844 6.27 789508 3737388 172 Average: 10898814 14581570 1375076 8.40 180028 3594102 1718510 9.86 683206 4364100 59538 21:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3805.36 3805.36 3628.71 3628.71 0.00 0.00 0.00 0.00 21:10:01 ens3 145.79 114.91 778.99 30.98 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:10 lo 2472.19 2472.19 2352.82 2352.82 0.00 0.00 0.00 0.00 21:20:10 ens3 83.82 71.97 107.30 68.37 0.00 0.00 0.00 0.00 21:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3124.96 3124.96 2977.54 2977.54 0.00 0.00 0.00 0.00 Average: ens3 114.16 93.00 436.19 50.06 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-54316) 03/30/26 _x86_64_ (4 CPU) 20:53:26 LINUX RESTART (4 CPU) 21:00:16 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 61.81 0.00 3.81 0.11 0.08 34.20 21:10:01 0 61.42 0.00 3.85 0.08 0.08 34.58 21:10:01 1 62.22 0.00 3.91 0.13 0.08 33.66 21:10:01 2 61.93 0.00 4.21 0.14 0.08 33.63 21:10:01 3 61.68 0.00 3.25 0.07 0.08 34.92 21:20:10 all 40.80 0.00 2.67 0.09 0.07 56.37 21:20:10 0 39.96 0.00 2.71 0.07 0.07 57.20 21:20:10 1 42.36 0.00 2.98 0.06 0.07 54.54 21:20:10 2 40.34 0.00 2.60 0.15 0.07 56.84 21:20:10 3 40.54 0.00 2.41 0.07 0.07 56.91 Average: all 51.08 0.00 3.23 0.10 0.07 45.53 Average: 0 50.46 0.00 3.27 0.07 0.07 46.13 Average: 1 52.08 0.00 3.43 0.09 0.07 44.32 Average: 2 50.90 0.00 3.39 0.15 0.08 45.49 Average: 3 50.87 0.00 2.82 0.07 0.07 46.17