---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38388 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: 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 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 751 9318 4 5918 14895 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:df:6b:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84340sec preferred_lft 84340sec inet6 fe80::f816:3eff:fedf:6bff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:0b:6a:48:85:0f 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-38388) 07/24/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:03 44.41 2.78 26.26 15.36 170.96 5596.78 254752.88 13:00:07 31.20 0.04 28.04 3.11 1.56 3380.41 12908.84 Average: 37.79 1.41 27.16 9.23 86.09 4486.30 133580.11 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:03 9437836 13431964 2521948 15.40 161876 3910124 2693004 15.46 739584 5761808 10812 13:00:07 7142344 12602036 3345012 20.43 190220 5271024 3502744 20.11 1052436 7663472 799376 Average: 8290090 13017000 2933480 17.92 176048 4590574 3097874 17.78 896010 6712640 405094 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:03 lo 782.83 782.83 745.82 745.82 0.00 0.00 0.00 0.00 12:50:03 ens3 131.68 92.86 1101.68 18.34 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:07 lo 1405.91 1405.91 1340.10 1340.10 0.00 0.00 0.00 0.00 13:00:07 ens3 62.32 46.43 234.04 12.84 0.00 0.00 0.00 0.00 13:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1095.01 1095.01 1043.57 1043.57 0.00 0.00 0.00 0.00 Average: ens3 96.93 69.60 666.96 15.59 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-38388) 07/24/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:03 all 66.25 0.00 2.35 0.31 0.13 30.96 12:50:03 0 64.47 0.00 2.46 0.16 0.13 32.79 12:50:03 1 68.03 0.00 2.41 0.28 0.13 29.15 12:50:03 2 65.28 0.00 2.01 0.48 0.14 32.09 12:50:03 3 67.23 0.00 2.51 0.32 0.14 29.80 13:00:07 all 55.20 0.00 2.36 1.20 0.11 41.12 13:00:07 0 51.73 0.00 2.06 3.19 0.11 42.90 13:00:07 1 54.18 0.00 2.23 0.74 0.11 42.73 13:00:07 2 59.15 0.00 3.01 0.64 0.12 37.08 13:00:07 3 55.76 0.00 2.15 0.21 0.11 41.78 Average: all 60.72 0.00 2.36 0.75 0.12 36.05 Average: 0 58.09 0.00 2.26 1.68 0.12 37.85 Average: 1 61.09 0.00 2.32 0.51 0.12 35.95 Average: 2 62.21 0.00 2.51 0.56 0.13 34.59 Average: 3 61.48 0.00 2.33 0.26 0.12 35.80