---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1364 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 656 9580 4 5751 14990 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:55:2f:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84581sec preferred_lft 84581sec inet6 fe80::f816:3eff:fe55:2f08/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:93:ee:11:78:08 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-1364) 03/18/26 _x86_64_ (4 CPU) 08:16:53 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:36 23.62 1.93 18.60 3.08 126.50 3607.28 22269.90 08:40:36 33.69 0.16 17.03 16.51 4.80 1409.28 266039.97 Average: 28.51 1.07 17.84 9.60 67.42 2540.15 140620.91 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:36 9673796 13061352 2898016 17.70 126492 3387300 3169060 18.19 663596 5653536 520 08:40:36 9427960 13110956 2845688 17.38 143448 3645612 2893136 16.61 776224 5722376 19544 Average: 9550878 13086154 2871852 17.54 134970 3516456 3031098 17.40 719910 5687956 10032 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:36 lo 20.68 20.68 4.56 4.56 0.00 0.00 0.00 0.00 08:30:36 ens3 31.75 24.66 240.74 5.87 0.00 0.00 0.00 0.00 08:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:36 lo 1170.68 1170.68 1085.22 1085.22 0.00 0.00 0.00 0.00 08:40:36 ens3 31.08 21.29 261.59 3.85 0.00 0.00 0.00 0.00 08:40:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 579.01 579.01 529.22 529.22 0.00 0.00 0.00 0.00 Average: ens3 31.43 23.02 250.86 4.89 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-1364) 03/18/26 _x86_64_ (4 CPU) 08:16:53 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:36 all 37.19 0.00 1.36 1.73 0.17 59.55 08:30:36 0 36.39 0.00 1.21 1.00 0.11 61.29 08:30:36 1 37.17 0.00 1.27 0.68 0.13 60.74 08:30:36 2 36.56 0.00 1.34 4.00 0.20 57.90 08:30:36 3 38.65 0.00 1.60 1.24 0.22 58.29 08:40:36 all 25.76 0.00 1.50 0.44 0.09 72.20 08:40:36 0 25.97 0.00 1.55 0.64 0.09 71.75 08:40:36 1 26.76 0.00 1.39 0.42 0.09 71.34 08:40:36 2 25.48 0.00 1.71 0.36 0.10 72.36 08:40:36 3 24.85 0.00 1.36 0.34 0.10 73.35 Average: all 31.64 0.00 1.43 1.10 0.13 65.70 Average: 0 31.32 0.00 1.38 0.83 0.10 66.37 Average: 1 32.11 0.00 1.33 0.56 0.11 65.89 Average: 2 31.18 0.00 1.52 2.23 0.15 64.92 Average: 3 31.95 0.00 1.48 0.80 0.16 65.60