---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26684 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 11G 67G 14% / 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 648 10424 4 4916 14998 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:75:8c:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84817sec preferred_lft 84817sec inet6 fe80::f816:3eff:fe75:8c68/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:7e:a3:5c:c9:1a 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-26684) 03/24/26 _x86_64_ (4 CPU) 22:34:28 LINUX RESTART (4 CPU) 22:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:11 3.89 0.07 3.65 0.17 6.96 617.13 406.20 23:00:01 20.54 0.54 18.14 1.86 20.24 2626.61 6658.02 Average: 12.06 0.30 10.76 1.00 13.48 1603.80 3475.91 22:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:11 9729160 12869348 3093956 18.90 114948 3185072 3541208 20.33 564216 5733260 764 23:00:01 10772196 15437944 519592 3.17 136256 4630132 1025756 5.89 936864 4236636 1070328 Average: 10250678 14153646 1806774 11.04 125602 3907602 2283482 13.11 750540 4984948 535546 22:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:11 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 22:50:11 ens3 8.46 7.23 35.46 2.13 0.00 0.00 0.00 0.00 22:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 466.10 466.10 443.12 443.12 0.00 0.00 0.00 0.00 23:00:01 ens3 49.86 36.93 493.28 17.96 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 229.17 229.17 217.76 217.76 0.00 0.00 0.00 0.00 Average: ens3 28.79 21.81 260.25 9.90 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-26684) 03/24/26 _x86_64_ (4 CPU) 22:34:28 LINUX RESTART (4 CPU) 22:40:00 CPU %user %nice %system %iowait %steal %idle 22:50:11 all 48.26 0.00 0.69 0.01 0.07 50.96 22:50:11 0 44.27 0.00 0.73 0.02 0.07 54.91 22:50:11 1 60.82 0.00 0.56 0.01 0.07 38.54 22:50:11 2 48.58 0.00 0.69 0.01 0.07 50.65 22:50:11 3 39.41 0.00 0.79 0.02 0.07 59.71 23:00:01 all 51.43 0.00 1.41 0.06 0.07 47.03 23:00:01 0 59.91 0.00 1.40 0.08 0.08 38.53 23:00:01 1 44.27 0.00 1.34 0.04 0.06 54.28 23:00:01 2 58.25 0.00 1.49 0.06 0.08 40.12 23:00:01 3 43.30 0.00 1.40 0.05 0.07 55.17 Average: all 49.81 0.00 1.04 0.04 0.07 49.03 Average: 0 51.94 0.00 1.06 0.05 0.07 46.88 Average: 1 52.70 0.00 0.94 0.03 0.07 46.27 Average: 2 53.32 0.00 1.09 0.03 0.07 45.48 Average: 3 41.32 0.00 1.09 0.04 0.07 57.48