---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-461543 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: 5599.86 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 12G 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 644 9041 4 6303 15002 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:b8:01:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:feb8:1cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:b9:0c:6d:36:7c 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-461543) 03/13/26 _x86_64_ (4 CPU) 10:41:24 LINUX RESTART (4 CPU) 10:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:08 26.85 0.02 23.98 2.85 0.21 2300.38 27074.49 11:10:01 36.61 0.03 20.83 15.75 0.96 8554.65 250256.69 Average: 31.68 0.02 22.42 9.23 0.58 5393.79 137462.04 10:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:08 8552088 12490196 3465700 21.17 150316 3883408 3546896 20.36 769156 6635756 198248 11:10:01 9347980 15435880 513276 3.13 178048 5932824 1042356 5.98 1548676 4967640 9880 Average: 8950034 13963038 1989488 12.15 164182 4908116 2294626 13.17 1158916 5801698 104064 10:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:08 lo 1227.34 1227.34 1168.79 1168.79 0.00 0.00 0.00 0.00 11:00:08 ens3 26.67 21.96 18.73 6.88 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 720.05 720.05 7386.95 7386.95 0.00 0.00 0.00 0.00 11:10:01 ens3 36.22 30.89 119.50 26.09 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 976.43 976.43 4244.34 4244.34 0.00 0.00 0.00 0.00 Average: ens3 31.39 26.37 68.57 16.38 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-461543) 03/13/26 _x86_64_ (4 CPU) 10:41:24 LINUX RESTART (4 CPU) 10:50:03 CPU %user %nice %system %iowait %steal %idle 11:00:08 all 65.94 0.00 2.39 0.05 0.09 31.54 11:00:08 0 66.65 0.00 2.18 0.03 0.09 31.05 11:00:08 1 64.45 0.00 2.43 0.06 0.08 32.98 11:00:08 2 64.14 0.00 2.31 0.05 0.08 33.41 11:00:08 3 68.51 0.00 2.63 0.05 0.09 28.72 11:10:01 all 44.87 0.00 1.73 0.13 0.08 53.18 11:10:01 0 45.26 0.00 1.71 0.12 0.08 52.84 11:10:01 1 40.84 0.00 1.38 0.05 0.08 57.65 11:10:01 2 48.52 0.00 1.92 0.11 0.08 49.37 11:10:01 3 44.89 0.00 1.92 0.25 0.08 52.87 Average: all 55.51 0.00 2.06 0.09 0.08 42.25 Average: 0 56.06 0.00 1.95 0.07 0.08 41.83 Average: 1 52.75 0.00 1.91 0.06 0.08 45.20 Average: 2 56.41 0.00 2.12 0.08 0.08 41.31 Average: 3 56.83 0.00 2.28 0.15 0.08 40.67