---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-118203 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 9.7G 68G 13% / 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 595 11287 4 4106 15051 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:ae:d0:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85114sec preferred_lft 85114sec inet6 fe80::f816:3eff:feae:d040/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:60:26:7f:41:a8 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-118203) 03/06/26 _x86_64_ (4 CPU) 10:59:14 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 37.44 3.75 32.52 1.18 237.84 4357.21 1105.96 11:20:15 15.34 0.56 13.03 1.75 24.72 2673.48 409.75 Average: 26.28 2.14 22.68 1.46 130.20 3506.79 754.31 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 11032388 14039396 1922780 11.74 119948 3039260 2349668 13.49 512756 4467884 28892 11:20:15 11632356 15478124 477352 2.92 159856 3755112 986168 5.66 707268 3572848 92104 Average: 11332372 14758760 1200066 7.33 139902 3397186 1667918 9.57 610012 4020366 60498 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 11:10:01 ens3 100.54 79.79 985.24 15.55 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:15 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 11:20:15 ens3 68.17 52.72 141.84 17.68 0.00 0.00 0.00 0.00 11:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 84.19 66.12 559.25 16.62 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-118203) 03/06/26 _x86_64_ (4 CPU) 10:59:14 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 32.81 0.00 1.39 1.13 0.08 64.59 11:10:01 0 35.33 0.00 1.52 2.89 0.09 60.18 11:10:01 1 33.68 0.00 1.38 0.34 0.08 64.53 11:10:01 2 31.91 0.00 1.29 0.44 0.08 66.28 11:10:01 3 30.32 0.00 1.40 0.84 0.07 67.37 11:20:15 all 69.30 0.00 2.38 0.09 0.14 28.10 11:20:15 0 64.71 0.00 2.26 0.19 0.14 32.71 11:20:15 1 70.80 0.00 2.26 0.05 0.14 26.75 11:20:15 2 71.81 0.00 2.66 0.04 0.14 25.35 11:20:15 3 69.89 0.00 2.34 0.07 0.14 27.56 Average: all 51.23 0.00 1.89 0.60 0.11 46.17 Average: 0 50.16 0.00 1.89 1.53 0.11 46.31 Average: 1 52.41 0.00 1.82 0.19 0.11 45.46 Average: 2 52.06 0.00 1.98 0.24 0.11 45.61 Average: 3 50.29 0.00 1.87 0.45 0.10 47.28