---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54004 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: 5599.94 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 67G 15% / 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 693 9449 4 5847 14953 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:0e:43:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84531sec preferred_lft 84531sec inet6 fe80::f816:3eff:fe0e:4382/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:4a:89:eb:6c:6e 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-54004) 03/29/26 _x86_64_ (4 CPU) 05:12:26 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:07 11.27 0.03 9.33 1.91 0.66 689.66 25653.14 05:40:07 39.68 0.31 33.85 5.51 8.87 8214.69 32200.16 Average: 25.40 0.17 21.53 3.70 4.74 4431.91 28909.01 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:07 9939544 13407880 2550912 15.58 134020 3450932 2833996 16.27 684616 5358740 36080 05:40:07 9769452 15390908 556796 3.40 173164 5462696 1062716 6.10 1564032 4524164 17368 Average: 9854498 14399394 1553854 9.49 153592 4456814 1948356 11.18 1124324 4941452 26724 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:07 lo 53.50 53.50 13.32 13.32 0.00 0.00 0.00 0.00 05:30:07 ens3 6.14 5.55 8.05 2.02 0.00 0.00 0.00 0.00 05:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:07 lo 2404.54 2404.54 2313.85 2313.85 0.00 0.00 0.00 0.00 05:40:07 ens3 67.27 52.78 467.20 14.54 0.00 0.00 0.00 0.00 05:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1222.69 1222.69 1157.39 1157.39 0.00 0.00 0.00 0.00 Average: ens3 36.54 29.04 236.39 8.25 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-54004) 03/29/26 _x86_64_ (4 CPU) 05:12:26 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:07 all 17.89 0.00 0.79 0.11 0.09 81.12 05:30:07 0 16.63 0.00 0.73 0.04 0.09 82.50 05:30:07 1 17.38 0.00 0.81 0.21 0.09 81.51 05:30:07 2 18.15 0.00 0.74 0.06 0.09 80.96 05:30:07 3 19.40 0.00 0.87 0.13 0.09 79.51 05:40:07 all 50.50 0.00 2.62 0.17 0.08 46.62 05:40:07 0 48.35 0.00 3.00 0.42 0.08 48.16 05:40:07 1 50.69 0.00 2.54 0.07 0.08 46.63 05:40:07 2 49.80 0.00 2.60 0.15 0.08 47.37 05:40:07 3 53.19 0.00 2.36 0.06 0.07 44.33 Average: all 34.10 0.00 1.70 0.14 0.08 63.98 Average: 0 32.39 0.00 1.86 0.23 0.08 65.44 Average: 1 33.94 0.00 1.67 0.14 0.08 64.17 Average: 2 33.87 0.00 1.67 0.10 0.08 64.27 Average: 3 36.20 0.00 1.61 0.09 0.08 62.02