---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29174 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: 5599.99 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 12G 66G 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 685 9139 4 6164 14961 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:fc:d5:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84475sec preferred_lft 84475sec inet6 fe80::f816:3eff:fefc:d5c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:ca:22:32:ed:31 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-29174) 06/21/26 _x86_64_ (4 CPU) 11:27:21 LINUX RESTART (4 CPU) 11:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:03 27.55 2.93 21.55 3.07 547.01 3872.93 45426.60 11:50:01 17.06 0.16 14.54 2.36 4.70 1629.47 30327.91 Average: 22.31 1.54 18.05 2.72 276.10 2752.23 37884.18 11:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:03 9467120 13168060 2790308 17.04 131528 3685280 3247784 18.64 806764 5712048 29768 11:50:01 9138756 13207012 2747744 16.78 153644 4000840 2963036 17.01 931348 5871196 12988 Average: 9302938 13187536 2769026 16.91 142586 3843060 3105410 17.83 869056 5791622 21378 11:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:03 lo 17.16 17.16 3.69 3.69 0.00 0.00 0.00 0.00 11:40:03 ens3 78.07 61.37 758.07 11.84 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 810.06 810.06 738.78 738.78 0.00 0.00 0.00 0.00 11:50:01 ens3 37.21 26.53 245.91 5.79 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 413.25 413.25 370.90 370.90 0.00 0.00 0.00 0.00 Average: ens3 57.66 43.97 502.22 8.82 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-29174) 06/21/26 _x86_64_ (4 CPU) 11:27:21 LINUX RESTART (4 CPU) 11:30:03 CPU %user %nice %system %iowait %steal %idle 11:40:03 all 35.76 0.00 1.37 0.19 0.08 62.60 11:40:03 0 35.00 0.00 1.29 0.24 0.08 63.40 11:40:03 1 35.25 0.00 1.72 0.09 0.08 62.86 11:40:03 2 36.05 0.00 1.21 0.26 0.08 62.39 11:40:03 3 36.74 0.00 1.24 0.18 0.08 61.76 11:50:01 all 23.11 0.00 1.26 0.06 0.08 75.49 11:50:01 0 23.08 0.00 1.32 0.08 0.08 75.44 11:50:01 1 23.81 0.00 1.06 0.04 0.08 75.01 11:50:01 2 23.61 0.00 1.54 0.08 0.08 74.70 11:50:01 3 21.94 0.00 1.13 0.05 0.08 76.80 Average: all 29.44 0.00 1.31 0.13 0.08 69.04 Average: 0 29.04 0.00 1.31 0.16 0.08 69.42 Average: 1 29.54 0.00 1.39 0.07 0.08 68.92 Average: 2 29.84 0.00 1.38 0.17 0.08 68.54 Average: 3 29.35 0.00 1.19 0.12 0.08 69.27