---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2988 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 629 10790 4 4569 15017 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:8f:50:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83923sec preferred_lft 83923sec inet6 fe80::f816:3eff:fe8f:50cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:01:d3:36:62:92 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-2988) 04/15/26 _x86_64_ (4 CPU) 10:50:16 LINUX RESTART (4 CPU) 11:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 0.90 0.01 0.89 0.00 0.04 13.28 0.13 11:20:16 0.89 0.00 0.88 0.00 0.43 12.32 0.00 11:30:16 60.19 5.10 52.57 2.53 289.79 9106.41 10719.37 Average: 20.50 1.69 17.98 0.84 95.99 3020.06 3544.95 11:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 13776792 15522352 496876 3.03 54612 1917784 1135308 6.52 194008 2146460 4 11:20:16 13776288 15522416 496836 3.03 55024 1917924 1135308 6.52 194444 2147144 44 11:30:16 11061740 15383220 575940 3.52 126720 4316816 1100268 6.32 776776 4126428 25276 Average: 12871607 15475996 523217 3.20 78785 2717508 1123628 6.45 388409 2806677 8441 11:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:01 ens3 0.45 0.15 0.11 0.06 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:16 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:16 lo 391.98 391.98 367.23 367.23 0.00 0.00 0.00 0.00 11:30:16 ens3 150.81 119.88 1214.31 123.15 0.00 0.00 0.00 0.00 11:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 129.69 129.69 121.45 121.45 0.00 0.00 0.00 0.00 Average: ens3 50.11 39.72 401.62 40.75 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-2988) 04/15/26 _x86_64_ (4 CPU) 10:50:16 LINUX RESTART (4 CPU) 11:00:02 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 0.16 0.00 0.03 0.43 0.95 98.43 11:10:01 0 0.07 0.00 0.02 1.66 0.95 97.29 11:10:01 1 0.29 0.00 0.03 0.00 0.89 98.78 11:10:01 2 0.11 0.00 0.02 0.03 0.97 98.87 11:10:01 3 0.19 0.00 0.06 0.01 0.97 98.77 11:20:16 all 0.07 0.00 0.03 0.00 0.01 99.89 11:20:16 0 0.02 0.00 0.02 0.00 0.01 99.94 11:20:16 1 0.01 0.00 0.02 0.00 0.00 99.97 11:20:16 2 0.04 0.00 0.02 0.00 0.02 99.92 11:20:16 3 0.20 0.00 0.05 0.01 0.02 99.72 11:30:16 all 48.03 0.00 1.97 0.35 0.09 49.56 11:30:16 0 47.75 0.00 2.05 0.18 0.09 49.92 11:30:16 1 49.08 0.00 1.98 0.12 0.09 48.73 11:30:16 2 48.99 0.00 2.14 0.50 0.09 48.28 11:30:16 3 46.30 0.00 1.70 0.59 0.09 51.33 Average: all 15.89 0.00 0.67 0.26 0.35 82.84 Average: 0 15.75 0.00 0.69 0.61 0.35 82.60 Average: 1 16.25 0.00 0.67 0.04 0.33 82.72 Average: 2 16.19 0.00 0.72 0.18 0.36 82.56 Average: 3 15.35 0.00 0.60 0.20 0.36 83.49