---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458945 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 11G 67G 14% / 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 635 10358 4 4995 15010 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:83:07:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84701sec preferred_lft 84701sec inet6 fe80::f816:3eff:fe83:72a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:46:42:f9:c7:5d 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-458945) 03/13/26 _x86_64_ (4 CPU) 07:12:23 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 17.20 0.08 3.74 13.39 7.25 623.06 238650.04 07:40:01 22.87 0.57 20.30 1.99 26.84 4072.37 10829.58 Average: 20.04 0.33 12.02 7.69 17.05 2347.69 124741.71 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 9408724 12639436 3322660 20.29 116660 3273204 3503376 20.11 641208 5975032 188 07:40:01 10659204 15416468 539540 3.30 138620 4719012 1081768 6.21 1015284 4287452 619148 Average: 10033964 14027952 1931100 11.79 127640 3996108 2292572 13.16 828246 5131242 309668 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 07:30:01 ens3 9.32 7.24 36.07 2.15 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 481.38 481.38 458.26 458.26 0.00 0.00 0.00 0.00 07:40:01 ens3 49.61 37.10 485.29 17.73 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 240.98 240.98 229.32 229.32 0.00 0.00 0.00 0.00 Average: ens3 29.47 22.17 260.67 9.94 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-458945) 03/13/26 _x86_64_ (4 CPU) 07:12:23 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 51.59 0.00 0.72 0.03 0.08 47.58 07:30:01 0 45.82 0.00 0.59 0.01 0.07 53.51 07:30:01 1 53.50 0.00 0.77 0.01 0.08 45.63 07:30:01 2 59.31 0.00 0.77 0.01 0.08 39.81 07:30:01 3 47.74 0.00 0.74 0.08 0.08 51.36 07:40:01 all 55.29 0.00 1.37 0.13 0.09 43.12 07:40:01 0 46.29 0.00 1.30 0.05 0.08 52.27 07:40:01 1 73.92 0.00 1.57 0.26 0.10 24.15 07:40:01 2 55.31 0.00 1.25 0.05 0.09 43.31 07:40:01 3 45.68 0.00 1.35 0.18 0.08 52.71 Average: all 53.44 0.00 1.04 0.08 0.08 45.35 Average: 0 46.06 0.00 0.94 0.03 0.08 52.89 Average: 1 63.71 0.00 1.17 0.14 0.09 34.89 Average: 2 57.31 0.00 1.01 0.03 0.08 41.56 Average: 3 46.71 0.00 1.05 0.13 0.08 52.03