---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38544 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: 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 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 734 9899 4 5355 14912 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:98:5a:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84782sec preferred_lft 84782sec inet6 fe80::f816:3eff:fe98:5a90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:ef:89:d2:f4:36 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-38544) 07/25/26 _x86_64_ (4 CPU) 02:46:50 LINUX RESTART (4 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:00 25.74 0.55 22.84 2.36 18.36 3696.77 18887.80 03:10:00 28.03 0.05 25.15 2.83 1.60 5895.85 20592.25 Average: 26.88 0.30 23.99 2.60 9.98 4796.31 19740.03 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:00 8874092 12849236 3106604 18.97 152900 3902448 3362808 19.30 732196 6339512 172360 03:10:00 8062192 13285120 2664964 16.28 183488 5055768 2918656 16.75 1012176 6802924 28420 Average: 8468142 13067178 2885784 17.63 168194 4479108 3140732 18.03 872186 6571218 100390 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:00 lo 1151.20 1151.20 1097.04 1097.04 0.00 0.00 0.00 0.00 03:00:00 ens3 62.25 44.86 325.21 10.39 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 03:10:00 lo 1050.21 1050.21 1000.42 1000.42 0.00 0.00 0.00 0.00 03:10:00 ens3 45.85 36.46 229.31 8.37 0.00 0.00 0.00 0.00 03:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1100.71 1100.71 1048.73 1048.73 0.00 0.00 0.00 0.00 Average: ens3 54.05 40.66 277.26 9.38 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-38544) 07/25/26 _x86_64_ (4 CPU) 02:46:50 LINUX RESTART (4 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:00 all 64.18 0.00 2.28 0.53 0.12 32.89 03:00:00 0 64.84 0.00 2.19 0.94 0.12 31.92 03:00:00 1 64.57 0.00 2.44 1.05 0.11 31.82 03:00:00 2 62.83 0.00 2.19 0.07 0.12 34.79 03:00:00 3 64.47 0.00 2.32 0.06 0.11 33.03 03:10:00 all 58.17 0.00 2.25 0.08 0.12 39.37 03:10:00 0 56.10 0.00 2.26 0.07 0.12 41.45 03:10:00 1 57.71 0.00 2.38 0.11 0.12 39.69 03:10:00 2 57.54 0.00 2.19 0.09 0.12 40.06 03:10:00 3 61.34 0.00 2.19 0.06 0.12 36.29 Average: all 61.18 0.00 2.27 0.31 0.12 36.13 Average: 0 60.47 0.00 2.22 0.51 0.12 36.69 Average: 1 61.14 0.00 2.41 0.58 0.12 35.75 Average: 2 60.19 0.00 2.19 0.08 0.12 37.42 Average: 3 62.91 0.00 2.25 0.06 0.12 34.66