---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21937 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 671 8894 4 6423 14975 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:57:e8:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84329sec preferred_lft 84329sec inet6 fe80::f816:3eff:fe57:e8c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:45:b3:3e:57:79 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21937) 05/31/26 _x86_64_ (4 CPU) 05:23:12 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 24.56 0.06 21.75 2.75 6.28 2240.19 6701.23 05:50:01 25.98 0.02 23.48 2.47 0.36 4054.50 6626.42 Average: 25.27 0.04 22.62 2.61 3.32 3147.89 6663.80 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9368932 13093180 2863316 17.49 146152 3684152 2881628 16.54 715428 5862656 10196 05:50:01 5795124 10500604 5451916 33.30 160536 4608288 5235200 30.05 990640 9116352 128 Average: 7582028 11796892 4157616 25.39 153344 4146220 4058414 23.30 853034 7489504 5162 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1336.93 1336.93 1267.72 1267.72 0.00 0.00 0.00 0.00 05:40:01 ens3 37.43 30.27 22.83 10.56 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1061.80 1061.80 2849.50 2849.50 0.00 0.00 0.00 0.00 05:50:01 ens3 38.83 31.08 38.15 10.81 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1199.28 1199.28 2059.09 2059.09 0.00 0.00 0.00 0.00 Average: ens3 38.13 30.67 30.50 10.69 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21937) 05/31/26 _x86_64_ (4 CPU) 05:23:12 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 66.27 0.00 2.31 0.08 0.10 31.25 05:40:01 0 67.77 0.00 2.19 0.16 0.09 29.79 05:40:01 1 66.05 0.00 2.16 0.05 0.10 31.65 05:40:01 2 64.81 0.00 2.21 0.07 0.10 32.81 05:40:01 3 66.45 0.00 2.66 0.05 0.10 30.74 05:50:01 all 54.51 0.00 2.07 0.09 0.10 43.23 05:50:01 0 53.57 0.00 2.25 0.10 0.10 43.98 05:50:01 1 52.82 0.00 2.05 0.10 0.10 44.94 05:50:01 2 55.06 0.00 1.94 0.12 0.10 42.77 05:50:01 3 56.58 0.00 2.03 0.05 0.10 41.24 Average: all 60.39 0.00 2.19 0.09 0.10 37.24 Average: 0 60.66 0.00 2.22 0.13 0.10 36.89 Average: 1 59.43 0.00 2.10 0.07 0.10 38.30 Average: 2 59.93 0.00 2.07 0.10 0.10 37.79 Average: 3 61.51 0.00 2.34 0.05 0.10 35.99