---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20733 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 12G 67G 15% / 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 710 9503 4 5775 14936 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:67:0f:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84483sec preferred_lft 84483sec inet6 fe80::f816:3eff:fe67:f92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:00:57:32:8e:15 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-20733) 05/27/26 _x86_64_ (4 CPU) 15:47:23 LINUX RESTART (4 CPU) 15:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:07 26.05 2.73 21.54 1.77 150.00 4846.21 6098.65 16:10:07 32.40 0.03 28.94 3.43 1.04 3223.43 30475.38 Average: 29.23 1.38 25.25 2.60 75.32 4032.64 18319.81 15:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:07 9086844 12891036 3064292 18.72 155724 3735924 3380212 19.40 733120 6135700 27568 16:10:07 8868080 13224300 2726916 16.65 186204 4211628 3032764 17.41 887004 6142320 5840 Average: 8977462 13057668 2895604 17.69 170964 3973776 3206488 18.41 810062 6139010 16704 15:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:07 lo 634.96 634.96 604.85 604.85 0.00 0.00 0.00 0.00 16:00:07 ens3 116.01 86.25 922.69 18.03 0.00 0.00 0.00 0.00 16:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:07 lo 1705.97 1705.97 1626.61 1626.61 0.00 0.00 0.00 0.00 16:10:07 ens3 48.38 35.61 138.31 11.22 0.00 0.00 0.00 0.00 16:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1171.90 1171.90 1117.11 1117.11 0.00 0.00 0.00 0.00 Average: ens3 82.11 60.87 529.45 14.62 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-20733) 05/27/26 _x86_64_ (4 CPU) 15:47:23 LINUX RESTART (4 CPU) 15:50:10 CPU %user %nice %system %iowait %steal %idle 16:00:07 all 57.76 0.00 2.08 0.10 0.11 39.95 16:00:07 0 57.94 0.00 1.79 0.11 0.11 40.05 16:00:07 1 58.41 0.00 2.38 0.09 0.11 39.01 16:00:07 2 56.88 0.00 1.85 0.09 0.11 41.07 16:00:07 3 57.81 0.00 2.30 0.12 0.11 39.67 16:10:07 all 57.34 0.00 2.49 0.13 0.12 39.91 16:10:07 0 58.83 0.00 2.34 0.06 0.12 38.65 16:10:07 1 56.30 0.00 2.49 0.12 0.11 40.97 16:10:07 2 57.86 0.00 2.62 0.27 0.12 39.14 16:10:07 3 56.39 0.00 2.51 0.08 0.12 40.90 Average: all 57.55 0.00 2.29 0.12 0.11 39.93 Average: 0 58.39 0.00 2.07 0.09 0.11 39.35 Average: 1 57.35 0.00 2.44 0.10 0.11 39.99 Average: 2 57.37 0.00 2.24 0.18 0.11 40.10 Average: 3 57.10 0.00 2.40 0.10 0.11 40.29