---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-500439 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 12G 66G 16% / 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 665 8853 4 6470 14981 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:cc:c8:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:fecc:c88d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:a9:0c:48:45:13 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-500439) 03/17/26 _x86_64_ (4 CPU) 10:29:01 LINUX RESTART (4 CPU) 10:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:01 42.48 3.93 35.12 3.43 200.56 5786.25 6026.65 10:50:01 29.01 0.01 26.04 2.96 0.21 2423.22 12847.31 Average: 35.69 1.96 30.54 3.19 99.54 4090.60 9465.67 10:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:01 9526704 12974476 2985164 18.23 133268 3444836 3112132 17.86 663368 5812588 31448 10:50:01 8626916 12711080 3244552 19.82 161996 4009004 3364916 19.31 799816 6525200 231400 Average: 9076810 12842778 3114858 19.02 147632 3726920 3238524 18.59 731592 6168894 131424 10:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:01 lo 1513.88 1513.88 1436.30 1436.30 0.00 0.00 0.00 0.00 10:40:01 ens3 116.16 90.39 1049.46 15.66 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 1450.94 1450.94 1382.60 1382.60 0.00 0.00 0.00 0.00 10:50:01 ens3 26.41 22.50 40.96 6.56 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1482.15 1482.15 1409.22 1409.22 0.00 0.00 0.00 0.00 Average: ens3 70.91 56.16 540.97 11.07 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-500439) 03/17/26 _x86_64_ (4 CPU) 10:29:01 LINUX RESTART (4 CPU) 10:30:11 CPU %user %nice %system %iowait %steal %idle 10:40:01 all 66.50 0.00 2.57 0.27 0.10 30.57 10:40:01 0 66.68 0.00 2.58 0.68 0.10 29.97 10:40:01 1 67.83 0.00 2.73 0.16 0.10 29.18 10:40:01 2 65.76 0.00 2.57 0.12 0.10 31.46 10:40:01 3 65.73 0.00 2.39 0.10 0.10 31.68 10:50:01 all 64.67 0.00 2.44 0.07 0.08 32.73 10:50:01 0 65.15 0.00 2.46 0.06 0.08 32.25 10:50:01 1 65.83 0.00 2.26 0.05 0.08 31.78 10:50:01 2 64.54 0.00 2.47 0.09 0.08 32.81 10:50:01 3 63.16 0.00 2.59 0.08 0.09 34.08 Average: all 65.58 0.00 2.51 0.17 0.09 31.66 Average: 0 65.91 0.00 2.52 0.37 0.09 31.12 Average: 1 66.82 0.00 2.49 0.11 0.09 30.49 Average: 2 65.15 0.00 2.52 0.10 0.09 32.14 Average: 3 64.43 0.00 2.49 0.09 0.09 32.89