---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4316 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 13G 66G 16% / 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 647 8745 4 6595 14999 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:7a:61:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83884sec preferred_lft 83884sec inet6 fe80::f816:3eff:fe7a:61c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:26:fb:ac:15:3d 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-4316) 04/18/26 _x86_64_ (4 CPU) 19:03:17 LINUX RESTART (4 CPU) 19:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 31.01 2.99 24.92 3.10 162.89 4092.25 5820.50 19:30:09 28.51 0.01 25.52 2.99 0.14 2468.49 12908.94 19:40:04 14.87 0.03 14.02 0.81 0.71 8941.52 4211.96 Average: 24.82 1.00 21.51 2.30 54.10 5147.37 7688.68 19:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9894816 13382244 2576960 15.74 138180 3476332 2606364 14.96 675216 5419684 31616 19:30:09 9086692 13026040 2929332 17.89 161968 3868956 2852184 16.37 804604 6038020 30604 19:40:04 6619072 12978188 2969292 18.14 180824 6189116 2902180 16.66 1636632 7615148 6120 Average: 8533527 13128824 2825195 17.26 160324 4511468 2786909 16.00 1038817 6357617 22780 19:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1495.68 1495.68 1419.41 1419.41 0.00 0.00 0.00 0.00 19:20:01 ens3 129.01 97.90 949.39 20.73 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:09 lo 1309.52 1309.52 1247.78 1247.78 0.00 0.00 0.00 0.00 19:30:09 ens3 39.38 31.94 45.11 11.24 0.00 0.00 0.00 0.00 19:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 2678.23 2678.23 9581.31 9581.31 0.00 0.00 0.00 0.00 19:40:04 ens3 27.57 23.30 101.15 7.07 0.00 0.00 0.00 0.00 19:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1824.04 1824.04 4062.74 4062.74 0.00 0.00 0.00 0.00 Average: ens3 65.08 50.87 362.39 12.99 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-4316) 04/18/26 _x86_64_ (4 CPU) 19:03:17 LINUX RESTART (4 CPU) 19:10:08 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 65.46 0.00 2.49 0.08 0.10 31.88 19:20:01 0 64.70 0.00 2.42 0.09 0.10 32.69 19:20:01 1 63.70 0.00 2.43 0.09 0.10 33.67 19:20:01 2 66.98 0.00 2.61 0.05 0.09 30.26 19:20:01 3 66.46 0.00 2.50 0.07 0.09 30.88 19:30:09 all 65.26 0.00 2.42 0.06 0.10 32.15 19:30:09 0 65.01 0.00 2.36 0.10 0.10 32.44 19:30:09 1 66.05 0.00 2.72 0.06 0.10 31.07 19:30:09 2 64.51 0.00 2.32 0.05 0.10 33.01 19:30:09 3 65.49 0.00 2.30 0.05 0.10 32.07 19:40:04 all 41.27 0.00 1.53 0.12 0.09 56.98 19:40:04 0 37.85 0.00 0.86 0.12 0.08 61.08 19:40:04 1 35.84 0.00 1.42 0.09 0.09 62.57 19:40:04 2 54.46 0.00 1.76 0.02 0.09 43.67 19:40:04 3 36.92 0.00 2.10 0.26 0.08 60.63 Average: all 57.38 0.00 2.15 0.09 0.09 40.28 Average: 0 55.91 0.00 1.88 0.10 0.09 42.01 Average: 1 55.28 0.00 2.19 0.08 0.10 42.35 Average: 2 62.00 0.00 2.23 0.04 0.10 35.64 Average: 3 56.34 0.00 2.30 0.13 0.09 41.14