---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52786 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 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 628 10591 4 4769 15018 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:74:df:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84996sec preferred_lft 84996sec inet6 fe80::f816:3eff:fe74:df82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:db:06:bd:e8:20 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-52786) 03/25/26 _x86_64_ (4 CPU) 15:28:05 LINUX RESTART (4 CPU) 15:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:00 31.13 2.93 25.29 2.91 161.88 4657.97 5622.53 15:50:00 32.62 0.02 29.26 3.35 0.29 2641.31 16035.29 Average: 31.88 1.48 27.28 3.13 81.09 3649.64 10828.91 15:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:00 9508444 12989328 2969476 18.14 134008 3473572 3205352 18.40 671672 5806816 20608 15:50:00 8651740 12596548 3358500 20.51 159704 3877584 3470660 19.92 800200 6496676 43104 Average: 9080092 12792938 3163988 19.32 146856 3675578 3338006 19.16 735936 6151746 31856 15:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:00 lo 1516.81 1516.81 1439.82 1439.82 0.00 0.00 0.00 0.00 15:40:00 ens3 84.39 67.02 777.72 12.95 0.00 0.00 0.00 0.00 15:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:00 lo 1514.75 1514.75 1442.96 1442.96 0.00 0.00 0.00 0.00 15:50:00 ens3 23.58 21.44 44.49 6.66 0.00 0.00 0.00 0.00 15:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1515.78 1515.78 1441.39 1441.39 0.00 0.00 0.00 0.00 Average: ens3 53.99 44.23 411.10 9.81 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-52786) 03/25/26 _x86_64_ (4 CPU) 15:28:05 LINUX RESTART (4 CPU) 15:30:00 CPU %user %nice %system %iowait %steal %idle 15:40:00 all 68.13 0.00 2.51 0.10 0.10 29.17 15:40:00 0 70.63 0.00 2.48 0.07 0.09 26.73 15:40:00 1 65.83 0.00 2.39 0.06 0.10 31.62 15:40:00 2 67.42 0.00 2.24 0.08 0.10 30.16 15:40:00 3 68.62 0.00 2.91 0.19 0.10 28.18 15:50:00 all 62.93 0.00 2.54 0.06 0.09 34.38 15:50:00 0 62.71 0.00 2.34 0.03 0.10 34.82 15:50:00 1 64.39 0.00 2.83 0.09 0.09 32.60 15:50:00 2 61.58 0.00 2.11 0.04 0.09 36.18 15:50:00 3 63.03 0.00 2.86 0.08 0.10 33.94 Average: all 65.53 0.00 2.52 0.08 0.10 31.78 Average: 0 66.67 0.00 2.41 0.05 0.09 30.77 Average: 1 65.11 0.00 2.61 0.07 0.10 32.11 Average: 2 64.50 0.00 2.17 0.06 0.09 33.17 Average: 3 65.83 0.00 2.88 0.14 0.10 31.06