---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31038 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: 5599.99 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 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 711 9646 4 5630 14934 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:8f:e6:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84448sec preferred_lft 84448sec inet6 fe80::f816:3eff:fe8f:e6ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:13:7e:16:40:5d 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-31038) 06/27/26 _x86_64_ (4 CPU) 06:28:26 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:04 25.97 3.53 21.24 1.20 182.86 5484.73 3977.80 06:50:04 37.20 0.05 33.24 3.91 1.32 3524.28 21334.31 07:00:01 34.23 0.30 16.94 16.99 11.96 5512.04 239727.27 Average: 32.46 1.30 23.81 7.35 65.61 4840.42 88046.09 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:04 8977280 12643824 3313660 20.24 152416 3606272 3613612 20.74 672224 6291592 60692 06:50:04 9075084 13333164 2619284 16.00 180728 4121616 2886320 16.57 841304 5979388 23028 07:00:01 9954496 15358828 587800 3.59 200928 5180580 1177512 6.76 916212 4948496 2444 Average: 9335620 13778605 2173581 13.28 178024 4302823 2559148 14.69 809913 5739825 28721 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:04 lo 396.12 396.12 377.12 377.12 0.00 0.00 0.00 0.00 06:40:04 ens3 113.53 86.71 906.78 17.67 0.00 0.00 0.00 0.00 06:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:04 lo 1865.65 1865.65 1778.22 1778.22 0.00 0.00 0.00 0.00 06:50:04 ens3 64.11 41.52 119.91 12.23 0.00 0.00 0.00 0.00 06:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 11.95 11.95 1.23 1.23 0.00 0.00 0.00 0.00 07:00:01 ens3 87.42 81.50 123.44 231.30 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 758.32 758.32 719.26 719.26 0.00 0.00 0.00 0.00 Average: ens3 88.39 69.92 384.42 86.80 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-31038) 06/27/26 _x86_64_ (4 CPU) 06:28:26 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:04 all 44.16 0.00 1.55 0.17 0.07 54.05 06:40:04 0 43.68 0.00 1.31 0.06 0.07 54.89 06:40:04 1 47.81 0.00 1.85 0.18 0.07 50.09 06:40:04 2 43.78 0.00 1.56 0.27 0.07 54.32 06:40:04 3 41.36 0.00 1.50 0.16 0.07 56.91 06:50:04 all 63.63 0.00 2.66 0.24 0.10 33.37 06:50:04 0 61.56 0.00 2.60 0.15 0.10 35.59 06:50:04 1 63.88 0.00 2.74 0.23 0.10 33.05 06:50:04 2 65.87 0.00 2.66 0.38 0.10 30.99 06:50:04 3 63.21 0.00 2.66 0.19 0.10 33.84 07:00:01 all 41.96 0.00 1.42 0.17 0.07 56.38 07:00:01 0 43.83 0.00 1.75 0.35 0.07 54.00 07:00:01 1 37.89 0.00 1.57 0.10 0.07 60.36 07:00:01 2 45.30 0.00 1.36 0.19 0.07 53.07 07:00:01 3 40.80 0.00 1.00 0.05 0.07 58.08 Average: all 49.90 0.00 1.88 0.19 0.08 47.94 Average: 0 49.68 0.00 1.88 0.19 0.08 48.17 Average: 1 49.86 0.00 2.06 0.17 0.08 47.84 Average: 2 51.63 0.00 1.86 0.28 0.08 46.14 Average: 3 48.44 0.00 1.72 0.13 0.08 49.63