---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39169 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 698 10247 4 5044 14948 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:82:76:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84700sec preferred_lft 84700sec inet6 fe80::f816:3eff:fe82:7661/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:ef:14:d3:94:d4 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39169) 07/26/26 _x86_64_ (4 CPU) 22:28:38 LINUX RESTART (4 CPU) 22:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:28 19.67 3.05 15.51 1.12 365.06 4218.78 15452.44 22:50:01 22.28 0.82 18.98 2.48 29.35 3305.79 6927.97 Average: 20.94 1.96 17.20 1.78 201.53 3774.05 11300.07 22:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:28 10642836 14115800 1843548 11.26 130376 3469768 2178388 12.50 625116 4719356 23140 22:50:01 8711916 13154352 2796492 17.08 167576 4322256 3052076 17.52 856444 6340680 110112 Average: 9677376 13635076 2320020 14.17 148976 3896012 2615232 15.01 740780 5530018 66626 22:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:28 lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 22:40:28 ens3 95.62 73.05 856.68 15.86 0.00 0.00 0.00 0.00 22:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1048.81 1048.81 999.05 999.05 0.00 0.00 0.00 0.00 22:50:01 ens3 85.92 62.40 345.17 18.37 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 511.37 511.37 486.70 486.70 0.00 0.00 0.00 0.00 Average: ens3 90.89 67.86 607.52 17.08 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39169) 07/26/26 _x86_64_ (4 CPU) 22:28:38 LINUX RESTART (4 CPU) 22:30:25 CPU %user %nice %system %iowait %steal %idle 22:40:28 all 40.87 0.00 1.48 0.10 0.07 57.48 22:40:28 0 41.31 0.00 1.49 0.15 0.07 56.98 22:40:28 1 39.75 0.00 1.31 0.10 0.06 58.77 22:40:28 2 40.66 0.00 1.75 0.06 0.07 57.46 22:40:28 3 41.77 0.00 1.39 0.09 0.07 56.69 22:50:01 all 70.00 0.00 2.58 0.05 0.10 27.27 22:50:01 0 70.15 0.00 2.53 0.07 0.11 27.14 22:50:01 1 70.24 0.00 2.55 0.03 0.11 27.07 22:50:01 2 68.55 0.00 2.71 0.04 0.10 28.60 22:50:01 3 71.07 0.00 2.51 0.05 0.10 26.27 Average: all 55.05 0.00 2.02 0.07 0.08 42.78 Average: 0 55.35 0.00 2.00 0.11 0.09 42.46 Average: 1 54.57 0.00 1.92 0.07 0.08 43.36 Average: 2 54.24 0.00 2.22 0.05 0.08 43.41 Average: 3 56.03 0.00 1.93 0.07 0.08 41.88