---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52763 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 9.8G 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 667 11107 4 4213 14978 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:93:75:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84569sec preferred_lft 84569sec inet6 fe80::f816:3eff:fe93:75f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:a1:b4:42:b1:1d 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-52763) 03/25/26 _x86_64_ (4 CPU) 13:47:08 LINUX RESTART (4 CPU) 13:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:02 1.50 0.04 1.45 0.01 1.80 18.43 0.59 14:10:00 60.73 4.73 49.61 6.39 270.07 5776.33 9600.83 Average: 31.05 2.38 25.47 3.19 135.64 2891.02 4790.10 13:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:02 13798336 15534996 484372 2.96 54240 1909432 1131184 6.49 193684 2145284 168 14:10:00 10683968 13877188 2083240 12.72 146756 3180492 2201336 12.64 545668 4771056 25028 Average: 12241152 14706092 1283806 7.84 100498 2544962 1666260 9.56 369676 3458170 12598 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:00:02 ens3 0.37 0.17 0.15 0.08 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 3427.46 3427.46 3268.19 3268.19 0.00 0.00 0.00 0.00 14:10:00 ens3 130.16 98.53 930.10 22.42 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1710.00 1710.00 1630.49 1630.49 0.00 0.00 0.00 0.00 Average: ens3 65.12 49.24 464.09 11.23 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-52763) 03/25/26 _x86_64_ (4 CPU) 13:47:08 LINUX RESTART (4 CPU) 13:50:01 CPU %user %nice %system %iowait %steal %idle 14:00:02 all 0.23 0.00 0.03 0.04 0.01 99.69 14:00:02 0 0.02 0.00 0.03 0.02 0.01 99.92 14:00:02 1 0.05 0.00 0.04 0.00 0.02 99.89 14:00:02 2 0.03 0.00 0.02 0.01 0.01 99.93 14:00:02 3 0.81 0.00 0.02 0.14 0.01 99.02 14:10:00 all 57.56 0.00 3.35 1.67 0.11 37.32 14:10:00 0 55.81 0.00 3.11 1.97 0.11 39.00 14:10:00 1 58.13 0.00 3.23 0.65 0.10 37.89 14:10:00 2 60.18 0.00 3.39 1.35 0.11 34.97 14:10:00 3 56.11 0.00 3.67 2.71 0.10 37.41 Average: all 28.75 0.00 1.68 0.85 0.06 68.65 Average: 0 27.80 0.00 1.56 0.99 0.06 69.58 Average: 1 28.97 0.00 1.63 0.33 0.06 69.01 Average: 2 29.98 0.00 1.70 0.68 0.06 67.59 Average: 3 28.27 0.00 1.83 1.42 0.06 68.42