---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-452015 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 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 708 9525 4 5755 14937 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:c5:f4:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84509sec preferred_lft 84509sec inet6 fe80::f816:3eff:fec5:f44e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:82:ea:d4:7b:43 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-452015) 03/12/26 _x86_64_ (4 CPU) 12:36:44 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:10 30.54 3.00 25.26 2.28 542.54 5202.39 13991.33 13:00:28 32.00 0.03 28.74 3.23 1.27 5923.11 22784.43 Average: 31.27 1.51 27.01 2.76 270.14 5565.10 18416.54 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:10 9579828 13449708 2505588 15.30 158600 3800816 3009616 17.28 862916 5507600 13796 13:00:28 7862476 13145204 2803640 17.12 190196 5109672 2991480 17.17 1161356 6844512 14004 Average: 8721152 13297456 2654614 16.21 174398 4455244 3000548 17.22 1012136 6176056 13900 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:10 lo 915.90 915.90 872.91 872.91 0.00 0.00 0.00 0.00 12:50:10 ens3 113.54 89.23 905.02 19.11 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:28 lo 1267.78 1267.78 1208.25 1208.25 0.00 0.00 0.00 0.00 13:00:28 ens3 57.78 44.82 222.48 12.36 0.00 0.00 0.00 0.00 13:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1092.98 1092.98 1041.67 1041.67 0.00 0.00 0.00 0.00 Average: ens3 85.48 66.88 561.53 15.72 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-452015) 03/12/26 _x86_64_ (4 CPU) 12:36:44 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:10 all 64.80 0.00 2.25 0.11 0.10 32.73 12:50:10 0 65.21 0.00 2.60 0.13 0.10 31.97 12:50:10 1 66.20 0.00 2.09 0.11 0.10 31.49 12:50:10 2 65.06 0.00 2.08 0.09 0.10 32.67 12:50:10 3 62.75 0.00 2.23 0.12 0.10 34.80 13:00:28 all 57.69 0.00 2.27 0.17 0.09 39.78 13:00:28 0 57.93 0.00 2.51 0.07 0.09 39.40 13:00:28 1 56.64 0.00 2.23 0.16 0.09 40.88 13:00:28 2 58.51 0.00 2.26 0.33 0.09 38.81 13:00:28 3 57.67 0.00 2.07 0.14 0.09 40.02 Average: all 61.22 0.00 2.26 0.14 0.10 36.28 Average: 0 61.55 0.00 2.55 0.10 0.10 35.71 Average: 1 61.39 0.00 2.16 0.14 0.09 36.22 Average: 2 61.76 0.00 2.17 0.21 0.09 35.76 Average: 3 60.19 0.00 2.15 0.13 0.09 37.43