---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36696 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 655 9937 4 5396 14991 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:1e:7e:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84290sec preferred_lft 84290sec inet6 fe80::f816:3eff:fe1e:7e60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:9c:57:44:55:0a 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-36696) 07/17/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:07 43.50 0.03 37.02 6.46 0.65 1627.20 127904.48 18:50:01 31.16 0.19 26.77 4.21 5.84 3941.98 41025.84 Average: 37.36 0.11 31.92 5.34 3.24 2779.07 84672.48 18:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:07 9586632 13036272 2923204 17.85 155792 3417592 3195888 18.34 676776 5712516 436 18:50:01 8018332 12995780 2955904 18.05 179940 4842564 3366112 19.32 1217420 6658348 616312 Average: 8802482 13016026 2939554 17.95 167866 4130078 3281000 18.83 947098 6185432 308374 18:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:07 lo 42.02 42.02 10.10 10.10 0.00 0.00 0.00 0.00 18:40:07 ens3 15.14 11.55 10.75 3.75 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1606.84 1606.84 1515.78 1515.78 0.00 0.00 0.00 0.00 18:50:01 ens3 66.85 51.44 480.00 12.89 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 820.69 820.69 759.34 759.34 0.00 0.00 0.00 0.00 Average: ens3 40.87 31.40 244.26 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-36696) 07/17/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:07 CPU %user %nice %system %iowait %steal %idle 18:40:07 all 26.13 0.00 1.03 0.29 0.09 72.46 18:40:07 0 25.64 0.00 1.01 0.06 0.09 73.20 18:40:07 1 26.24 0.00 1.06 0.08 0.09 72.53 18:40:07 2 26.33 0.00 1.03 0.94 0.09 71.61 18:40:07 3 26.32 0.00 1.01 0.08 0.09 72.51 18:50:01 all 44.65 0.00 2.21 0.07 0.09 52.98 18:50:01 0 43.84 0.00 2.43 0.07 0.09 53.57 18:50:01 1 45.04 0.00 2.04 0.07 0.10 52.75 18:50:01 2 44.02 0.00 2.13 0.09 0.09 53.67 18:50:01 3 45.68 0.00 2.24 0.04 0.09 51.94 Average: all 35.34 0.00 1.61 0.18 0.09 62.78 Average: 0 34.69 0.00 1.71 0.07 0.09 63.44 Average: 1 35.59 0.00 1.55 0.08 0.09 62.70 Average: 2 35.12 0.00 1.58 0.52 0.09 62.70 Average: 3 35.95 0.00 1.62 0.06 0.09 62.28