---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8072 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 13G 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 673 8667 4 6648 14973 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:b7:01:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:feb7:123/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:eb:d4:34:cc:b3 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-8072) 03/22/26 _x86_64_ (4 CPU) 08:20:40 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:30 39.37 0.02 23.46 15.89 0.33 2257.50 232469.62 08:50:30 22.01 0.03 19.97 2.01 0.39 3857.20 40830.47 Average: 30.89 0.02 21.76 9.11 0.36 3038.54 138903.43 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:30 9165436 13086160 2869344 17.52 154176 3863040 2988852 17.16 816880 5969124 28520 08:50:30 7064868 13064068 2884124 17.62 170748 5852656 2919424 16.76 1526804 7248888 1189052 Average: 8115152 13075114 2876734 17.57 162462 4857848 2954138 16.96 1171842 6609006 608786 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:30 lo 1318.70 1318.70 1251.98 1251.98 0.00 0.00 0.00 0.00 08:40:30 ens3 46.72 35.96 42.43 11.86 0.00 0.00 0.00 0.00 08:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:30 lo 956.47 956.47 7522.11 7522.11 0.00 0.00 0.00 0.00 08:50:30 ens3 32.55 26.55 107.05 8.59 0.00 0.00 0.00 0.00 08:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1141.85 1141.85 4313.32 4313.32 0.00 0.00 0.00 0.00 Average: ens3 39.80 31.37 73.98 10.26 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-8072) 03/22/26 _x86_64_ (4 CPU) 08:20:40 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:30 all 66.11 0.00 2.41 0.06 0.08 31.34 08:40:30 0 67.10 0.00 2.44 0.04 0.08 30.34 08:40:30 1 65.18 0.00 2.25 0.10 0.08 32.39 08:40:30 2 64.62 0.00 2.49 0.04 0.08 32.78 08:40:30 3 67.54 0.00 2.46 0.06 0.08 29.86 08:50:30 all 47.53 0.00 1.82 0.09 0.07 50.49 08:50:30 0 49.24 0.00 1.90 0.10 0.07 48.69 08:50:30 1 47.16 0.00 1.70 0.05 0.07 51.01 08:50:30 2 42.46 0.00 2.20 0.09 0.08 55.17 08:50:30 3 51.25 0.00 1.48 0.12 0.07 47.08 Average: all 57.03 0.00 2.12 0.07 0.08 40.69 Average: 0 58.37 0.00 2.17 0.07 0.08 39.31 Average: 1 56.37 0.00 1.98 0.08 0.08 41.49 Average: 2 53.80 0.00 2.35 0.06 0.08 43.71 Average: 3 59.58 0.00 1.98 0.09 0.08 38.27