---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-439784 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 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 631 8873 4 6483 15015 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:2a:b8:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84623sec preferred_lft 84623sec inet6 fe80::f816:3eff:fe2a:b88a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:1f:78:86:25:e7 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-439784) 03/11/26 _x86_64_ (4 CPU) 08:52:59 LINUX RESTART (4 CPU) 09:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:02 26.44 0.03 23.38 3.03 0.39 2146.56 25765.85 09:20:01 20.80 0.03 18.92 1.85 0.40 4068.30 17065.39 Average: 23.62 0.03 21.15 2.44 0.39 3106.62 21419.29 09:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:02 9530732 13197808 2758936 16.85 145856 3633616 2729844 15.67 730256 5716880 34480 09:20:01 5791852 10436028 5516764 33.69 160824 4554632 5184732 29.76 1010812 9098612 29960 Average: 7661292 11816918 4137850 25.27 153340 4094124 3957288 22.71 870534 7407746 32220 09:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:02 lo 1572.18 1572.18 1493.81 1493.81 0.00 0.00 0.00 0.00 09:10:02 ens3 21.50 19.43 11.16 6.46 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 849.98 849.98 5280.88 5280.88 0.00 0.00 0.00 0.00 09:20:01 ens3 18.52 15.77 21.88 5.36 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1211.38 1211.38 3385.75 3385.75 0.00 0.00 0.00 0.00 Average: ens3 20.01 17.60 16.51 5.91 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-439784) 03/11/26 _x86_64_ (4 CPU) 08:52:59 LINUX RESTART (4 CPU) 09:00:02 CPU %user %nice %system %iowait %steal %idle 09:10:02 all 67.34 0.00 2.33 0.05 0.09 30.18 09:10:02 0 67.13 0.00 2.09 0.08 0.09 30.62 09:10:02 1 68.78 0.00 2.25 0.03 0.09 28.85 09:10:02 2 66.65 0.00 2.47 0.04 0.09 30.75 09:10:02 3 66.81 0.00 2.51 0.07 0.09 30.52 09:20:01 all 52.04 0.00 1.82 0.10 0.08 45.97 09:20:01 0 49.43 0.00 1.83 0.07 0.08 48.60 09:20:01 1 52.15 0.00 1.88 0.17 0.08 45.72 09:20:01 2 59.02 0.00 1.72 0.11 0.08 39.07 09:20:01 3 47.58 0.00 1.82 0.06 0.08 50.46 Average: all 59.69 0.00 2.07 0.08 0.09 38.07 Average: 0 58.27 0.00 1.96 0.07 0.08 39.61 Average: 1 60.47 0.00 2.07 0.10 0.08 37.28 Average: 2 62.83 0.00 2.10 0.07 0.09 34.91 Average: 3 57.19 0.00 2.17 0.06 0.08 40.49