---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53244 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 9.9G 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 672 11056 4 4260 14974 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:20:b1:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84316sec preferred_lft 84316sec inet6 fe80::f816:3eff:fe20:b1ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:80:c0:87:e6:09 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-53244) 03/26/26 _x86_64_ (4 CPU) 20:53:27 LINUX RESTART (4 CPU) 21:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 15.74 2.55 11.71 1.49 141.29 2279.79 2474.62 21:20:02 50.10 0.02 41.10 8.97 0.66 3561.97 3740.05 Average: 32.97 1.28 26.45 5.24 70.75 2922.90 3109.33 21:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10925568 13952732 2010420 12.28 126364 3061140 2297732 13.19 483268 4613056 134224 21:20:02 9976732 13652272 2304072 14.07 186828 3569900 2488308 14.28 668116 5292156 111252 Average: 10451150 13802502 2157246 13.18 156596 3315520 2393020 13.74 575692 4952606 122738 21:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 894.50 894.50 853.03 853.03 0.00 0.00 0.00 0.00 21:10:01 ens3 86.75 68.82 780.58 13.64 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:02 lo 4740.68 4740.68 4519.92 4519.92 0.00 0.00 0.00 0.00 21:20:02 ens3 111.67 84.24 33.77 30.57 0.00 0.00 0.00 0.00 21:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2823.66 2823.66 2692.27 2692.27 0.00 0.00 0.00 0.00 Average: ens3 99.25 76.56 405.99 22.13 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-53244) 03/26/26 _x86_64_ (4 CPU) 20:53:27 LINUX RESTART (4 CPU) 21:00:02 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 18.73 0.00 1.01 0.17 0.04 80.05 21:10:01 0 18.18 0.00 0.79 0.07 0.04 80.92 21:10:01 1 18.66 0.00 1.34 0.15 0.05 79.81 21:10:01 2 18.84 0.00 0.94 0.06 0.05 80.11 21:10:01 3 19.23 0.00 0.95 0.41 0.04 79.38 21:20:02 all 64.61 0.00 3.97 0.12 0.08 31.21 21:20:02 0 63.38 0.00 4.04 0.10 0.08 32.39 21:20:02 1 64.33 0.00 3.84 0.20 0.09 31.54 21:20:02 2 64.75 0.00 3.58 0.13 0.08 31.45 21:20:02 3 65.98 0.00 4.41 0.06 0.08 29.46 Average: all 41.70 0.00 2.49 0.15 0.06 55.60 Average: 0 40.84 0.00 2.42 0.09 0.06 56.60 Average: 1 41.52 0.00 2.59 0.18 0.07 55.65 Average: 2 41.81 0.00 2.26 0.09 0.07 55.76 Average: 3 42.62 0.00 2.68 0.24 0.06 54.40