---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26350 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 11G 67G 14% / 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 9946 4 5411 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:0f:9e:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84874sec preferred_lft 84874sec inet6 fe80::f816:3eff:fe0f:9ee7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:fd:f6:22:ed:a2 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 inet6 fe80::80fd:f6ff:fe22:eda2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26350) 06/10/26 _x86_64_ (4 CPU) 02:47:13 LINUX RESTART (4 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:00 54.44 0.58 45.28 8.58 388.18 5030.91 13105.13 03:10:13 50.87 2.01 45.14 3.73 312.29 5465.60 7183.79 Average: 52.64 1.30 45.21 6.13 349.82 5250.64 10111.96 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:00 9809492 13711800 2243668 13.70 172672 3822260 2471700 14.19 783468 5369700 33388 03:10:13 10198712 15377248 568732 3.47 221136 4964324 1191788 6.84 1148404 4494792 128 Average: 10004102 14544524 1406200 8.59 196904 4393292 1831744 10.51 965936 4932246 16758 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:00 lo 4803.00 4803.00 4579.79 4579.79 0.00 0.00 0.00 0.00 03:00:00 ens3 77.92 58.70 229.76 16.01 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:13 lo 1263.41 1263.41 1197.69 1197.69 0.00 0.00 0.00 0.00 03:10:13 ens3 101.74 101.23 411.01 222.76 0.00 0.00 0.00 0.00 03:10:13 docker0 46.18 39.45 148.81 157.51 0.00 0.00 0.00 0.00 Average: lo 3013.78 3013.78 2870.18 2870.18 0.00 0.00 0.00 0.00 Average: ens3 89.96 80.20 321.38 120.52 0.00 0.00 0.00 0.00 Average: docker0 23.34 19.94 75.22 79.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26350) 06/10/26 _x86_64_ (4 CPU) 02:47:13 LINUX RESTART (4 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:00 all 67.78 0.00 4.14 0.13 0.12 27.84 03:00:00 0 67.09 0.00 3.91 0.08 0.12 28.81 03:00:00 1 68.86 0.00 3.98 0.19 0.12 26.86 03:00:00 2 69.18 0.00 4.57 0.15 0.12 25.98 03:00:00 3 66.00 0.00 4.10 0.08 0.12 29.69 03:10:13 all 32.59 0.00 2.82 0.49 0.08 64.02 03:10:13 0 34.03 0.00 3.38 0.71 0.08 61.80 03:10:13 1 28.97 0.00 2.48 0.58 0.07 67.91 03:10:13 2 32.89 0.00 2.49 0.40 0.08 64.15 03:10:13 3 34.49 0.00 2.95 0.27 0.08 62.22 Average: all 49.97 0.00 3.47 0.31 0.10 46.15 Average: 0 50.35 0.00 3.64 0.40 0.10 45.51 Average: 1 48.67 0.00 3.22 0.39 0.09 47.63 Average: 2 50.81 0.00 3.51 0.27 0.10 45.30 Average: 3 50.05 0.00 3.52 0.18 0.10 46.16