---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14150 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 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 653 9818 4 5517 14993 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:15:96:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84457sec preferred_lft 84457sec inet6 fe80::f816:3eff:fe15:96c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:0a:2d:07:ad:c9 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-14150) 05/13/26 _x86_64_ (4 CPU) 18:21:31 LINUX RESTART (4 CPU) 18:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:05 13.39 0.03 11.13 2.23 0.63 729.87 32069.03 18:50:01 33.59 0.18 28.95 4.46 5.80 6165.46 17650.40 Average: 23.45 0.10 20.01 3.34 3.21 3437.55 24886.55 18:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:05 9161132 12738652 3219508 19.66 156364 3549380 3407440 19.56 761772 6054468 296 18:50:01 7495604 12794172 3154952 19.27 186344 5148124 3488508 20.02 1371796 7029092 179692 Average: 8328368 12766412 3187230 19.47 171354 4348752 3447974 19.79 1066784 6541780 89994 18:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:05 lo 50.65 50.65 12.49 12.49 0.00 0.00 0.00 0.00 18:40:05 ens3 5.45 4.61 4.00 1.65 0.00 0.00 0.00 0.00 18:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2185.98 2185.98 2083.49 2083.49 0.00 0.00 0.00 0.00 18:50:01 ens3 75.29 58.70 481.74 15.00 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1114.34 1114.34 1044.13 1044.13 0.00 0.00 0.00 0.00 Average: ens3 40.24 31.55 241.98 8.30 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-14150) 05/13/26 _x86_64_ (4 CPU) 18:21:31 LINUX RESTART (4 CPU) 18:30:05 CPU %user %nice %system %iowait %steal %idle 18:40:05 all 17.06 0.00 0.85 0.12 0.10 81.86 18:40:05 0 17.80 0.00 0.81 0.04 0.10 81.25 18:40:05 1 16.20 0.00 0.86 0.14 0.10 82.70 18:40:05 2 15.99 0.00 0.87 0.21 0.10 82.83 18:40:05 3 18.26 0.00 0.87 0.09 0.10 80.67 18:50:01 all 50.10 0.00 2.63 0.33 0.12 46.82 18:50:01 0 49.17 0.00 2.38 0.19 0.12 48.15 18:50:01 1 50.14 0.00 2.75 0.27 0.12 46.73 18:50:01 2 53.69 0.00 2.89 0.53 0.12 42.77 18:50:01 3 47.39 0.00 2.53 0.32 0.12 49.64 Average: all 33.51 0.00 1.74 0.22 0.11 64.42 Average: 0 33.42 0.00 1.59 0.12 0.11 64.77 Average: 1 33.12 0.00 1.80 0.21 0.11 64.77 Average: 2 34.75 0.00 1.87 0.37 0.11 62.90 Average: 3 32.76 0.00 1.69 0.21 0.11 65.23