---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54150 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: 5599.94 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 9.6G 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 618 11439 4 3931 15027 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:35:cf:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84790sec preferred_lft 84790sec inet6 fe80::f816:3eff:fe35:cfa9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:f8:97:1b:a3:da 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-54150) 03/30/26 _x86_64_ (4 CPU) 02:37:29 LINUX RESTART (4 CPU) 02:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:00 1.42 0.04 1.36 0.01 1.88 17.33 217.15 03:00:00 58.21 4.84 50.88 2.50 280.28 4644.39 11987.05 Average: 29.82 2.44 26.12 1.25 141.08 2330.86 6102.10 02:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:00 13778700 15519652 499312 3.05 54196 1913884 1139964 6.54 193036 2153040 208 03:00:00 10597564 13754720 2207952 13.49 126992 3191532 2508488 14.40 559788 4876380 162776 Average: 12188132 14637186 1353632 8.27 90594 2552708 1824226 10.47 376412 3514710 81492 02:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 02:50:00 ens3 0.30 0.11 0.09 0.04 0.00 0.00 0.00 0.00 02:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:00 lo 530.19 530.19 505.41 505.41 0.00 0.00 0.00 0.00 03:00:00 ens3 110.66 83.65 1021.44 17.94 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.15 265.15 252.71 252.71 0.00 0.00 0.00 0.00 Average: ens3 55.48 41.88 510.76 8.99 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-54150) 03/30/26 _x86_64_ (4 CPU) 02:37:29 LINUX RESTART (4 CPU) 02:40:00 CPU %user %nice %system %iowait %steal %idle 02:50:00 all 0.12 0.00 0.04 0.01 0.01 99.82 02:50:00 0 0.03 0.00 0.03 0.01 0.01 99.93 02:50:00 1 0.04 0.00 0.03 0.02 0.02 99.89 02:50:00 2 0.19 0.00 0.04 0.00 0.02 99.75 02:50:00 3 0.23 0.00 0.04 0.00 0.02 99.70 03:00:00 all 27.06 0.00 1.30 0.32 0.06 71.26 03:00:00 0 28.47 0.00 1.42 0.14 0.05 69.92 03:00:00 1 25.95 0.00 1.55 0.95 0.06 71.49 03:00:00 2 28.45 0.00 1.15 0.11 0.06 70.23 03:00:00 3 25.37 0.00 1.08 0.08 0.07 73.41 Average: all 13.58 0.00 0.67 0.16 0.04 85.55 Average: 0 14.24 0.00 0.72 0.07 0.03 84.93 Average: 1 12.98 0.00 0.79 0.49 0.04 85.71 Average: 2 14.30 0.00 0.60 0.06 0.04 85.01 Average: 3 12.79 0.00 0.56 0.04 0.04 86.57