---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37832 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 667 10491 4 4830 14979 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:84:36:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84717sec preferred_lft 84717sec inet6 fe80::f816:3eff:fe84:364d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:a0:e4:d9:ed:15 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37832) 07/22/26 _x86_64_ (4 CPU) 20:09:39 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:13 47.82 9.86 36.81 1.14 1369.08 8881.34 2785.62 20:30:09 21.62 0.78 18.49 2.35 28.12 3292.90 6981.52 Average: 34.90 5.38 27.78 1.74 707.97 6126.16 4854.26 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:13 10780204 14003828 1956948 11.95 125080 3231112 2393344 13.74 531540 4686792 30680 20:30:09 9293492 13412956 2539284 15.51 163088 4010736 2764544 15.87 760256 5836592 10864 Average: 10036848 13708392 2248116 13.73 144084 3620924 2578944 14.80 645898 5261692 20772 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:13 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 20:20:13 ens3 133.06 100.97 1000.20 20.73 0.00 0.00 0.00 0.00 20:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:09 lo 921.62 921.62 877.16 877.16 0.00 0.00 0.00 0.00 20:30:09 ens3 94.85 68.21 335.17 20.29 0.00 0.00 0.00 0.00 20:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 454.81 454.81 432.50 432.50 0.00 0.00 0.00 0.00 Average: ens3 114.22 84.82 672.33 20.51 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37832) 07/22/26 _x86_64_ (4 CPU) 20:09:39 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:13 all 39.09 0.00 1.53 0.40 0.06 58.92 20:20:13 0 37.90 0.00 1.32 0.24 0.06 60.48 20:20:13 1 38.75 0.00 1.36 0.28 0.06 59.55 20:20:13 2 40.20 0.00 1.80 0.63 0.07 57.31 20:20:13 3 39.51 0.00 1.66 0.45 0.06 58.32 20:30:09 all 69.62 0.00 2.51 0.05 0.09 27.73 20:30:09 0 68.37 0.00 2.78 0.07 0.09 28.69 20:30:09 1 68.14 0.00 2.13 0.04 0.09 29.61 20:30:09 2 71.23 0.00 2.67 0.06 0.09 25.96 20:30:09 3 70.77 0.00 2.45 0.05 0.09 26.64 Average: all 54.13 0.00 2.01 0.23 0.08 43.55 Average: 0 52.92 0.00 2.04 0.15 0.08 44.81 Average: 1 53.19 0.00 1.74 0.16 0.08 44.84 Average: 2 55.48 0.00 2.22 0.35 0.08 41.87 Average: 3 54.92 0.00 2.05 0.25 0.08 42.70