---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3979 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 738 9654 4 5596 14908 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:71:25:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84585sec preferred_lft 84585sec inet6 fe80::f816:3eff:fe71:2532/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:36:04:39:6a:e4 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-3979) 04/17/26 _x86_64_ (4 CPU) 12:38:09 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 25.49 2.65 21.14 1.71 147.33 5385.52 6355.58 13:00:00 31.63 0.04 28.31 3.28 1.57 3244.67 21237.07 Average: 28.56 1.35 24.72 2.49 74.45 4315.06 13796.57 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 9716240 13349424 2607312 15.92 153716 3574280 2680408 15.39 702900 5520908 14344 13:00:00 7725484 12854520 3095220 18.90 187572 4958636 3172496 18.21 1027124 7101972 890084 Average: 8720862 13101972 2851266 17.41 170644 4266458 2926452 16.80 865012 6311440 452214 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 757.74 757.74 722.14 722.14 0.00 0.00 0.00 0.00 12:50:00 ens3 109.97 83.19 829.04 17.70 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1504.82 1504.82 1434.36 1434.36 0.00 0.00 0.00 0.00 13:00:00 ens3 62.97 47.87 235.19 13.49 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1131.29 1131.29 1078.26 1078.26 0.00 0.00 0.00 0.00 Average: ens3 86.47 65.53 532.11 15.59 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-3979) 04/17/26 _x86_64_ (4 CPU) 12:38:09 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 59.27 0.00 1.96 0.53 0.10 38.14 12:50:00 0 59.41 0.00 2.15 0.87 0.11 37.47 12:50:00 1 59.94 0.00 1.90 0.19 0.10 37.86 12:50:00 2 60.03 0.00 1.87 0.52 0.10 37.49 12:50:00 3 57.70 0.00 1.92 0.54 0.11 39.74 13:00:00 all 56.98 0.00 2.44 0.17 0.10 40.30 13:00:00 0 58.46 0.00 2.67 0.11 0.11 38.66 13:00:00 1 55.56 0.00 2.07 0.18 0.11 42.09 13:00:00 2 59.08 0.00 2.51 0.11 0.10 38.20 13:00:00 3 54.81 0.00 2.53 0.31 0.10 42.25 Average: all 58.12 0.00 2.20 0.35 0.10 39.22 Average: 0 58.93 0.00 2.41 0.49 0.11 38.06 Average: 1 57.75 0.00 1.99 0.19 0.10 39.97 Average: 2 59.56 0.00 2.19 0.31 0.10 37.84 Average: 3 56.26 0.00 2.22 0.42 0.10 41.00