---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27870 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 10G 68G 13% / 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 678 10719 4 4591 14968 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:5f:68:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84758sec preferred_lft 84758sec inet6 fe80::f816:3eff:fe5f:6884/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:31:92:02:e1:e7 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-27870) 06/16/26 _x86_64_ (4 CPU) 20:53:26 LINUX RESTART (4 CPU) 21:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 48.86 2.61 38.60 7.64 144.44 4559.09 18301.93 21:20:03 29.34 0.32 23.87 5.14 14.35 3218.13 8588.59 Average: 39.00 1.45 31.16 6.38 78.73 3881.78 13395.77 21:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10267980 13950676 2006976 12.26 164988 3621364 2245556 12.89 731696 4974196 56336 21:20:03 11083612 15424444 527856 3.22 203692 4189460 1067676 6.13 927920 3891020 14488 Average: 10675796 14687560 1267416 7.74 184340 3905412 1656616 9.51 829808 4432608 35412 21:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4178.76 4178.76 3985.29 3985.29 0.00 0.00 0.00 0.00 21:10:01 ens3 179.99 129.99 792.58 33.51 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:03 lo 2129.75 2129.75 2011.73 2011.73 0.00 0.00 0.00 0.00 21:20:03 ens3 143.87 130.64 131.24 184.64 0.00 0.00 0.00 0.00 21:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3143.82 3143.82 2988.45 2988.45 0.00 0.00 0.00 0.00 Average: ens3 161.74 130.32 458.54 109.84 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-27870) 06/16/26 _x86_64_ (4 CPU) 20:53:26 LINUX RESTART (4 CPU) 21:00:10 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 65.37 0.00 3.93 0.38 0.11 30.21 21:10:01 0 65.21 0.00 3.87 0.55 0.11 30.26 21:10:01 1 66.09 0.00 3.74 0.43 0.11 29.63 21:10:01 2 65.25 0.00 3.88 0.24 0.11 30.53 21:10:01 3 64.93 0.00 4.24 0.31 0.11 30.42 21:20:03 all 40.19 0.00 2.38 1.20 0.09 56.15 21:20:03 0 39.14 0.00 2.48 1.74 0.09 56.54 21:20:03 1 37.32 0.00 2.40 0.47 0.08 59.74 21:20:03 2 40.66 0.00 2.24 0.64 0.09 56.38 21:20:03 3 43.65 0.00 2.38 1.94 0.09 51.94 Average: all 52.64 0.00 3.14 0.79 0.10 43.32 Average: 0 52.03 0.00 3.17 1.15 0.10 43.55 Average: 1 51.54 0.00 3.06 0.45 0.09 44.86 Average: 2 52.82 0.00 3.05 0.44 0.10 43.59 Average: 3 54.17 0.00 3.30 1.13 0.10 41.30