---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53459 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 703 8775 4 6510 14943 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:96:ae:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe96:ae5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:dc:8c:d7:53:21 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-53459) 03/27/26 _x86_64_ (4 CPU) 09:56:47 LINUX RESTART (4 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:13 29.81 1.06 25.66 3.09 43.65 3565.05 7437.31 10:20:13 31.28 0.02 28.11 3.15 0.25 2644.39 16591.64 Average: 30.55 0.54 26.89 3.12 21.99 3105.50 12006.67 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:13 9783728 13309420 2648980 16.18 137896 3509340 2820436 16.19 681772 5523528 29432 10:20:13 8359752 12919884 3033884 18.53 159420 4474236 3069700 17.62 973192 6594900 590532 Average: 9071740 13114652 2841432 17.35 148658 3991788 2945068 16.90 827482 6059214 309982 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:13 lo 1606.26 1606.26 1525.01 1525.01 0.00 0.00 0.00 0.00 10:10:13 ens3 53.90 41.00 317.79 10.37 0.00 0.00 0.00 0.00 10:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:13 lo 1324.14 1324.14 1261.09 1261.09 0.00 0.00 0.00 0.00 10:20:13 ens3 29.54 24.50 46.16 7.93 0.00 0.00 0.00 0.00 10:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1465.44 1465.44 1393.28 1393.28 0.00 0.00 0.00 0.00 Average: ens3 41.74 32.77 182.21 9.15 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-53459) 03/27/26 _x86_64_ (4 CPU) 09:56:47 LINUX RESTART (4 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:13 all 68.42 0.00 2.51 0.33 0.10 28.65 10:10:13 0 69.23 0.00 2.58 0.11 0.10 27.97 10:10:13 1 68.31 0.00 2.47 0.23 0.11 28.88 10:10:13 2 69.51 0.00 2.58 0.82 0.10 26.98 10:10:13 3 66.61 0.00 2.40 0.14 0.10 30.75 10:20:13 all 64.25 0.00 2.50 0.09 0.11 33.06 10:20:13 0 64.13 0.00 2.53 0.05 0.11 33.18 10:20:13 1 65.18 0.00 2.34 0.11 0.11 32.26 10:20:13 2 62.41 0.00 2.63 0.10 0.11 34.76 10:20:13 3 65.28 0.00 2.48 0.10 0.11 32.03 Average: all 66.34 0.00 2.50 0.21 0.11 30.85 Average: 0 66.69 0.00 2.55 0.08 0.10 30.57 Average: 1 66.75 0.00 2.41 0.17 0.11 30.57 Average: 2 65.97 0.00 2.61 0.46 0.11 30.86 Average: 3 65.95 0.00 2.44 0.12 0.10 31.39