---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-216760 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 9.6G 68G 13% / 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 630 11418 4 3940 15016 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:bb:b3:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84881sec preferred_lft 84881sec inet6 fe80::f816:3eff:febb:b38d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:41:7f:96:1f:5c 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-216760) 03/07/26 _x86_64_ (4 CPU) 21:07:23 LINUX RESTART (4 CPU) 21:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:14 14.37 0.05 1.60 12.73 1.96 19.57 242779.36 21:30:01 47.36 4.44 41.71 1.21 249.54 3754.46 4050.10 Average: 30.67 2.22 21.42 7.04 124.29 1865.03 124819.68 21:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:14 13795244 15537840 481296 2.94 54580 1914976 1128292 6.48 198620 2132348 20 21:30:01 11133132 13953224 2011532 12.29 115752 2876740 2279368 13.08 487420 4412080 71920 Average: 12464188 14745532 1246414 7.61 85166 2395858 1703830 9.78 343020 3272214 35970 21:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:14 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 21:20:14 ens3 0.23 0.12 0.08 0.04 0.00 0.00 0.00 0.00 21:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 1.20 1.20 0.13 0.13 0.00 0.00 0.00 0.00 21:30:01 ens3 98.95 77.17 685.66 36.69 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 49.01 38.19 338.83 18.15 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-4g-216760) 03/07/26 _x86_64_ (4 CPU) 21:07:23 LINUX RESTART (4 CPU) 21:10:13 CPU %user %nice %system %iowait %steal %idle 21:20:14 all 0.14 0.00 0.03 0.03 0.02 99.78 21:20:14 0 0.01 0.00 0.02 0.02 0.00 99.95 21:20:14 1 0.31 0.00 0.03 0.01 0.03 99.62 21:20:14 2 0.21 0.00 0.06 0.09 0.02 99.62 21:20:14 3 0.03 0.00 0.02 0.01 0.01 99.93 21:30:01 all 38.38 0.00 1.37 0.32 0.07 59.87 21:30:01 0 37.55 0.00 1.15 0.08 0.06 61.16 21:30:01 1 40.27 0.00 1.43 0.71 0.07 57.51 21:30:01 2 38.46 0.00 1.61 0.37 0.07 59.49 21:30:01 3 37.23 0.00 1.30 0.11 0.06 61.30 Average: all 19.01 0.00 0.69 0.17 0.04 80.08 Average: 0 18.54 0.00 0.58 0.05 0.03 80.80 Average: 1 20.04 0.00 0.72 0.36 0.05 78.84 Average: 2 19.08 0.00 0.83 0.23 0.05 79.82 Average: 3 18.38 0.00 0.65 0.06 0.03 80.87