---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1359 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 67G 15% / 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 673 9513 4 5801 14972 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:ec:fb:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84598sec preferred_lft 84598sec inet6 fe80::f816:3eff:feec:fbad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:5b:be:b9:12:ec 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-1359) 03/18/26 _x86_64_ (4 CPU) 08:16:44 LINUX RESTART (4 CPU) 08:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:20 21.70 0.39 18.01 3.30 16.80 2660.64 49938.29 08:40:07 19.50 0.16 16.47 2.87 4.77 1353.81 26850.69 Average: 20.61 0.28 17.25 3.09 10.85 2014.44 38522.00 08:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:20 9595608 13038508 2919996 17.83 127860 3439560 3169196 18.19 670664 5717820 484 08:40:07 9448448 13181580 2774396 16.94 145540 3692388 2908148 16.69 778512 5717248 28092 Average: 9522028 13110044 2847196 17.39 136700 3565974 3038672 17.44 724588 5717534 14288 08:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:20 lo 23.52 23.52 5.36 5.36 0.00 0.00 0.00 0.00 08:30:20 ens3 22.15 16.71 122.54 4.57 0.00 0.00 0.00 0.00 08:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:07 lo 1214.47 1214.47 1127.33 1127.33 0.00 0.00 0.00 0.00 08:40:07 ens3 31.23 20.67 266.10 3.62 0.00 0.00 0.00 0.00 08:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 612.42 612.42 560.15 560.15 0.00 0.00 0.00 0.00 Average: ens3 26.64 18.67 193.53 4.10 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-1359) 03/18/26 _x86_64_ (4 CPU) 08:16:44 LINUX RESTART (4 CPU) 08:20:20 CPU %user %nice %system %iowait %steal %idle 08:30:20 all 32.74 0.00 1.20 3.88 0.09 62.09 08:30:20 0 33.38 0.00 1.38 1.82 0.09 63.33 08:30:20 1 33.43 0.00 1.35 3.92 0.09 61.21 08:30:20 2 32.91 0.00 1.12 1.69 0.08 64.20 08:30:20 3 31.25 0.00 0.96 8.09 0.09 59.62 08:40:07 all 24.11 0.00 1.46 0.96 0.08 73.38 08:40:07 0 23.92 0.00 1.48 0.74 0.08 73.78 08:40:07 1 24.87 0.00 1.70 0.87 0.09 72.47 08:40:07 2 23.06 0.00 1.28 0.46 0.09 75.11 08:40:07 3 24.59 0.00 1.37 1.78 0.08 72.18 Average: all 28.48 0.00 1.33 2.44 0.09 67.67 Average: 0 28.70 0.00 1.43 1.28 0.09 68.50 Average: 1 29.20 0.00 1.52 2.41 0.09 66.77 Average: 2 28.04 0.00 1.20 1.08 0.09 69.60 Average: 3 27.96 0.00 1.16 4.97 0.09 65.82