---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26675 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: 5599.94 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 18G 60G 23% / 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 679 11274 4 4035 14967 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:d9:a2:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79632sec preferred_lft 79632sec inet6 fe80::f816:3eff:fed9:a2ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:67:91:13:5c:e9 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 inet6 fe80::6067:91ff:fe13:5ce9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-26675) 03/25/26 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:02 6.04 0.31 5.56 0.17 10.57 168.21 685.70 00:20:02 8.95 0.03 8.55 0.36 4.23 566.47 621.41 Average: 7.49 0.17 7.06 0.27 7.40 367.14 653.59 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:02 8273176 11418144 4521404 27.61 282608 2899720 5305168 30.45 2290880 5296244 472 00:20:02 7898924 11169788 4769592 29.13 286544 3021660 5384360 30.91 2305492 5661892 528 Average: 8086050 11293966 4645498 28.37 284576 2960690 5344764 30.68 2298186 5479068 500 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:02 lo 17.80 17.80 10.00 10.00 0.00 0.00 0.00 0.00 00:10:02 ens3 0.69 0.48 0.13 0.10 0.00 0.00 0.00 0.00 00:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:02 lo 19.76 19.76 9.57 9.57 0.00 0.00 0.00 0.00 00:20:02 ens3 0.99 0.81 0.25 0.21 0.00 0.00 0.00 0.00 00:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.78 18.78 9.78 9.78 0.00 0.00 0.00 0.00 Average: ens3 0.84 0.64 0.19 0.15 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-16g-26675) 03/25/26 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:02 all 9.20 0.00 0.55 0.03 0.09 90.13 00:10:02 0 9.33 0.00 0.57 0.02 0.08 89.99 00:10:02 1 9.31 0.00 0.57 0.05 0.09 89.98 00:10:02 2 8.95 0.00 0.58 0.05 0.10 90.33 00:10:02 3 9.21 0.00 0.49 0.01 0.09 90.20 00:20:02 all 15.70 0.00 0.72 0.05 0.09 83.45 00:20:02 0 15.09 0.00 0.74 0.01 0.09 84.06 00:20:02 1 15.57 0.00 0.61 0.08 0.09 83.64 00:20:02 2 16.53 0.00 0.88 0.02 0.09 82.48 00:20:02 3 15.59 0.00 0.65 0.06 0.09 83.61 Average: all 12.44 0.00 0.64 0.04 0.09 86.79 Average: 0 12.21 0.00 0.66 0.02 0.09 87.03 Average: 1 12.44 0.00 0.59 0.06 0.09 86.82 Average: 2 12.73 0.00 0.73 0.03 0.09 86.41 Average: 3 12.39 0.00 0.57 0.03 0.09 86.91