---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-462521 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: 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 13G 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 624 8727 4 6636 15021 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:98:1e:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84582sec preferred_lft 84582sec inet6 fe80::f816:3eff:fe98:1ed6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:22:5f:cc:fe:b9 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-462521) 03/13/26 _x86_64_ (4 CPU) 13:15:11 LINUX RESTART (4 CPU) 13:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 25.02 0.13 21.80 3.09 9.68 2340.26 20621.56 13:40:02 28.66 0.03 25.83 2.80 0.49 4433.41 26650.52 Average: 26.84 0.08 23.82 2.94 5.09 3387.48 23637.89 13:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 9862372 13506332 2450488 14.97 142308 3617708 2728844 15.66 709548 5403944 25216 13:40:02 8006272 12699328 3253480 19.87 161816 4601720 3336416 19.15 1005708 6910256 2484 Average: 8934322 13102830 2851984 17.42 152062 4109714 3032630 17.41 857628 6157100 13850 13:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 1345.02 1345.02 1275.33 1275.33 0.00 0.00 0.00 0.00 13:30:01 ens3 40.75 30.62 107.50 7.88 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 1180.07 1180.07 1118.94 1118.94 0.00 0.00 0.00 0.00 13:40:02 ens3 27.44 22.94 44.78 7.06 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1262.50 1262.50 1197.09 1197.09 0.00 0.00 0.00 0.00 Average: ens3 34.09 26.78 76.12 7.47 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-462521) 03/13/26 _x86_64_ (4 CPU) 13:15:11 LINUX RESTART (4 CPU) 13:20:01 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 65.41 0.00 2.35 0.21 0.11 31.91 13:30:01 0 64.95 0.00 2.33 0.08 0.11 32.53 13:30:01 1 65.86 0.00 2.35 0.20 0.11 31.47 13:30:01 2 65.38 0.00 2.58 0.18 0.12 31.74 13:30:01 3 65.46 0.00 2.14 0.39 0.12 31.90 13:40:02 all 56.03 0.00 2.27 0.91 0.11 40.69 13:40:02 0 55.25 0.00 2.40 0.68 0.11 41.56 13:40:02 1 55.53 0.00 1.94 1.09 0.10 41.33 13:40:02 2 57.43 0.00 2.36 0.70 0.11 39.41 13:40:02 3 55.91 0.00 2.38 1.18 0.11 40.43 Average: all 60.72 0.00 2.31 0.56 0.11 36.30 Average: 0 60.10 0.00 2.36 0.38 0.11 37.05 Average: 1 60.69 0.00 2.15 0.65 0.11 36.40 Average: 2 61.41 0.00 2.47 0.44 0.11 35.57 Average: 3 60.68 0.00 2.26 0.78 0.11 36.17