---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-460452 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 9.5G 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 631 11440 4 3917 15015 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:ae:b6:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84870sec preferred_lft 84870sec inet6 fe80::f816:3eff:feae:b6f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:b5:ba:d8:e9:6f 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-460452) 03/13/26 _x86_64_ (4 CPU) 07:47:47 LINUX RESTART (4 CPU) 07:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:15 59.70 4.68 40.66 14.37 658.77 4806.72 251433.76 08:10:04 3.32 0.06 3.17 0.08 6.40 344.82 371.79 Average: 31.71 2.39 22.05 7.27 334.87 2591.40 126782.08 07:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:15 10638812 13848848 2113372 12.91 115804 3258124 2431028 13.95 611564 4775336 10616 08:10:04 9912100 13221456 2739984 16.73 119428 3345280 2952220 16.95 636848 5481428 17500 Average: 10275456 13535152 2426678 14.82 117616 3301702 2691624 15.45 624206 5128382 14058 07:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:15 lo 0.56 0.56 0.08 0.08 0.00 0.00 0.00 0.00 08:00:15 ens3 105.42 75.44 1115.96 13.12 0.00 0.00 0.00 0.00 08:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:04 lo 0.52 0.52 0.37 0.37 0.00 0.00 0.00 0.00 08:10:04 ens3 4.97 4.07 20.67 0.95 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.23 0.23 0.00 0.00 0.00 0.00 Average: ens3 55.55 40.01 572.15 7.08 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-460452) 03/13/26 _x86_64_ (4 CPU) 07:47:47 LINUX RESTART (4 CPU) 07:50:18 CPU %user %nice %system %iowait %steal %idle 08:00:15 all 45.99 0.00 1.22 0.28 0.08 52.42 08:00:15 0 42.31 0.00 1.22 0.51 0.08 55.88 08:00:15 1 55.03 0.00 1.34 0.16 0.08 43.40 08:00:15 2 45.00 0.00 1.03 0.38 0.09 53.50 08:00:15 3 41.63 0.00 1.31 0.08 0.08 56.90 08:10:04 all 43.78 0.00 0.44 0.02 0.07 55.69 08:10:04 0 29.14 0.00 0.35 0.02 0.07 70.42 08:10:04 1 71.93 0.00 0.60 0.02 0.08 27.37 08:10:04 2 39.30 0.00 0.43 0.03 0.07 60.16 08:10:04 3 34.85 0.00 0.36 0.01 0.07 64.72 Average: all 44.89 0.00 0.83 0.15 0.08 54.05 Average: 0 35.76 0.00 0.79 0.27 0.08 63.11 Average: 1 63.43 0.00 0.97 0.09 0.08 35.44 Average: 2 42.16 0.00 0.74 0.20 0.08 56.82 Average: 3 38.26 0.00 0.84 0.04 0.07 60.79