---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-460453 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 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 655 9448 4 5884 14991 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:3b:3b:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85022sec preferred_lft 85022sec inet6 fe80::f816:3eff:fe3b:3b53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:f4:04:d1:62:44 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-460453) 03/13/26 _x86_64_ (4 CPU) 07:47:43 LINUX RESTART (4 CPU) 07:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:15 41.50 4.31 36.52 0.67 262.83 3805.93 686.16 08:10:15 37.35 0.60 33.12 3.63 26.15 10319.23 12795.89 Average: 39.42 2.46 34.82 2.15 144.49 7062.58 6741.03 07:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:15 11407136 14273744 1690772 10.33 107164 2931696 2381664 13.67 443688 4197320 47632 08:10:15 9657960 15329744 622124 3.80 146784 5579000 1125100 6.46 1409404 4836740 11624 Average: 10532548 14801744 1156448 7.06 126974 4255348 1753382 10.06 926546 4517030 29628 07:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:15 lo 0.56 0.56 0.06 0.06 0.00 0.00 0.00 0.00 08:00:15 ens3 93.29 68.70 913.23 13.34 0.00 0.00 0.00 0.00 08:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:15 lo 1075.31 1075.31 1020.64 1020.64 0.00 0.00 0.00 0.00 08:10:15 ens3 102.78 83.05 439.16 102.77 0.00 0.00 0.00 0.00 08:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 537.94 537.94 510.35 510.35 0.00 0.00 0.00 0.00 Average: ens3 98.03 75.88 676.20 58.05 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-460453) 03/13/26 _x86_64_ (4 CPU) 07:47:43 LINUX RESTART (4 CPU) 07:50:15 CPU %user %nice %system %iowait %steal %idle 08:00:15 all 12.58 0.00 0.66 0.25 0.03 86.48 08:00:15 0 12.92 0.00 0.51 0.21 0.03 86.33 08:00:15 1 14.48 0.00 0.81 0.31 0.03 84.36 08:00:15 2 12.22 0.00 0.76 0.32 0.04 86.66 08:00:15 3 10.70 0.00 0.55 0.17 0.03 88.56 08:10:15 all 52.44 0.00 2.27 0.14 0.08 45.06 08:10:15 0 48.85 0.00 2.27 0.24 0.08 48.55 08:10:15 1 48.69 0.00 1.99 0.09 0.08 49.15 08:10:15 2 55.20 0.00 2.79 0.11 0.09 41.81 08:10:15 3 57.01 0.00 2.04 0.12 0.09 40.73 Average: all 32.47 0.00 1.46 0.20 0.06 65.81 Average: 0 30.85 0.00 1.39 0.22 0.06 67.48 Average: 1 31.53 0.00 1.40 0.20 0.06 66.82 Average: 2 33.69 0.00 1.77 0.22 0.06 64.26 Average: 3 33.81 0.00 1.29 0.14 0.06 64.69