---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-281125 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 11G 68G 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 667 10590 4 4731 14979 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:f1:76:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84736sec preferred_lft 84736sec inet6 fe80::f816:3eff:fef1:761d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:96:b6:01:19:9d 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-281125) 03/08/26 _x86_64_ (4 CPU) 18:44:25 LINUX RESTART (4 CPU) 18:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:09 17.16 2.28 13.75 1.12 138.29 3265.67 2041.23 19:10:09 34.39 0.74 29.39 4.26 26.08 4465.41 2707.63 Average: 25.77 1.51 21.57 2.69 82.19 3865.54 2374.43 18:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:09 10397528 13737592 2221972 13.57 137656 3322432 2414032 13.86 609076 4971208 35636 19:10:09 10886808 15370780 579980 3.54 169840 4348932 1091004 6.26 908548 4077176 76 Average: 10642168 14554186 1400976 8.56 153748 3835682 1752518 10.06 758812 4524192 17856 18:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:09 lo 1.37 1.37 0.15 0.15 0.00 0.00 0.00 0.00 19:00:09 ens3 99.55 80.25 621.21 20.96 0.00 0.00 0.00 0.00 19:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:09 lo 1603.51 1603.51 1521.03 1521.03 0.00 0.00 0.00 0.00 19:10:09 ens3 102.85 85.26 412.96 120.00 0.00 0.00 0.00 0.00 19:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 802.44 802.44 760.59 760.59 0.00 0.00 0.00 0.00 Average: ens3 101.20 82.76 517.08 70.48 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-281125) 03/08/26 _x86_64_ (4 CPU) 18:44:25 LINUX RESTART (4 CPU) 18:50:09 CPU %user %nice %system %iowait %steal %idle 19:00:09 all 72.82 0.00 2.34 0.06 0.12 24.66 19:00:09 0 71.97 0.00 2.22 0.03 0.13 25.66 19:00:09 1 74.46 0.00 2.35 0.09 0.12 22.97 19:00:09 2 72.90 0.00 2.42 0.05 0.12 24.51 19:00:09 3 71.93 0.00 2.37 0.08 0.12 25.50 19:10:09 all 58.03 0.00 2.42 0.13 0.12 39.30 19:10:09 0 63.05 0.00 2.92 0.10 0.12 33.80 19:10:09 1 56.25 0.00 2.18 0.15 0.11 41.30 19:10:09 2 53.50 0.00 2.27 0.09 0.12 44.02 19:10:09 3 59.30 0.00 2.31 0.18 0.12 38.09 Average: all 65.43 0.00 2.38 0.10 0.12 31.98 Average: 0 67.51 0.00 2.57 0.06 0.12 29.73 Average: 1 65.35 0.00 2.27 0.12 0.12 32.14 Average: 2 63.21 0.00 2.34 0.07 0.12 34.25 Average: 3 65.62 0.00 2.34 0.13 0.12 31.79