---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6538 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 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 658 8632 4 6697 14987 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:cb:4f:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84584sec preferred_lft 84584sec inet6 fe80::f816:3eff:fecb:4f5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:40:83:09:55:a8 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-6538) 03/21/26 _x86_64_ (4 CPU) 00:51:19 LINUX RESTART (4 CPU) 01:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:07 23.56 0.01 21.04 2.51 0.20 2158.73 9191.67 01:20:08 23.93 0.03 22.05 1.85 0.39 7809.74 10976.68 Average: 23.75 0.02 21.54 2.18 0.29 4984.19 10084.16 01:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:07 9043548 13025040 2929936 17.89 150356 3932732 2886156 16.57 830976 6087020 20524 01:20:08 6613756 12955980 2990696 18.27 177560 6182876 2936088 16.85 1579164 7672704 281076 Average: 7828652 12990510 2960316 18.08 163958 5057804 2911122 16.71 1205070 6879862 150800 01:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:07 lo 1147.93 1147.93 1093.14 1093.14 0.00 0.00 0.00 0.00 01:10:07 ens3 25.48 22.82 39.50 7.05 0.00 0.00 0.00 0.00 01:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:08 lo 979.92 979.92 7536.33 7536.33 0.00 0.00 0.00 0.00 01:20:08 ens3 32.66 28.01 104.82 7.96 0.00 0.00 0.00 0.00 01:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1063.93 1063.93 4314.69 4314.69 0.00 0.00 0.00 0.00 Average: ens3 29.07 25.42 72.16 7.50 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-6538) 03/21/26 _x86_64_ (4 CPU) 00:51:19 LINUX RESTART (4 CPU) 01:00:06 CPU %user %nice %system %iowait %steal %idle 01:10:07 all 66.15 0.00 2.26 0.06 0.09 31.44 01:10:07 0 66.96 0.00 2.11 0.06 0.09 30.77 01:10:07 1 66.09 0.00 2.15 0.04 0.09 31.62 01:10:07 2 65.94 0.00 2.36 0.03 0.09 31.57 01:10:07 3 65.60 0.00 2.40 0.11 0.10 31.80 01:20:08 all 46.86 0.00 1.82 0.25 0.08 51.00 01:20:08 0 48.31 0.00 1.73 0.17 0.08 49.71 01:20:08 1 44.49 0.00 1.84 0.22 0.08 53.37 01:20:08 2 52.22 0.00 2.07 0.09 0.09 45.54 01:20:08 3 42.41 0.00 1.64 0.51 0.09 55.35 Average: all 56.50 0.00 2.04 0.15 0.09 41.22 Average: 0 57.64 0.00 1.92 0.11 0.09 40.24 Average: 1 55.28 0.00 1.99 0.13 0.09 42.50 Average: 2 59.07 0.00 2.21 0.06 0.09 38.56 Average: 3 53.99 0.00 2.02 0.31 0.09 43.59