---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1190 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 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 670 10278 4 5040 14975 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:98:61:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84818sec preferred_lft 84818sec inet6 fe80::f816:3eff:fe98:61ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:da:ca:20:70:45 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-1190) 08/01/26 _x86_64_ (4 CPU) 12:49:04 LINUX RESTART (4 CPU) 12:50:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:15 38.60 3.28 19.87 15.45 203.65 5400.06 261515.83 13:10:01 35.17 0.81 29.90 4.46 24.79 4255.37 6028.12 Average: 36.87 2.04 24.92 9.91 113.54 4823.36 132799.93 12:50:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:15 10471680 14077540 1880216 11.48 137188 3580640 2522044 14.48 591500 4908964 18176 13:10:01 10627540 15416580 533188 3.26 175280 4638912 1070784 6.15 921548 4312076 99236 Average: 10549610 14747060 1206702 7.37 156234 4109776 1796414 10.31 756524 4610520 58706 12:50:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:15 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 13:00:15 ens3 145.78 111.88 1310.88 24.24 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 1675.09 1675.09 1597.01 1597.01 0.00 0.00 0.00 0.00 13:10:01 ens3 93.42 70.50 439.45 18.71 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 844.62 844.62 804.65 804.65 0.00 0.00 0.00 0.00 Average: ens3 119.40 91.03 871.85 21.45 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-1190) 08/01/26 _x86_64_ (4 CPU) 12:49:04 LINUX RESTART (4 CPU) 12:50:37 CPU %user %nice %system %iowait %steal %idle 13:00:15 all 63.24 0.00 2.24 0.12 0.09 34.31 13:00:15 0 60.70 0.00 1.98 0.05 0.10 37.18 13:00:15 1 66.73 0.00 2.69 0.14 0.09 30.36 13:00:15 2 63.18 0.00 2.14 0.07 0.09 34.51 13:00:15 3 62.35 0.00 2.17 0.23 0.09 35.16 13:10:01 all 68.73 0.00 2.76 0.07 0.09 28.35 13:10:01 0 66.90 0.00 2.54 0.05 0.09 30.42 13:10:01 1 71.20 0.00 2.97 0.07 0.09 25.67 13:10:01 2 69.22 0.00 2.62 0.04 0.09 28.02 13:10:01 3 67.59 0.00 2.92 0.09 0.09 29.31 Average: all 66.00 0.00 2.51 0.09 0.09 31.31 Average: 0 63.82 0.00 2.26 0.05 0.09 33.78 Average: 1 68.98 0.00 2.83 0.10 0.09 28.00 Average: 2 66.23 0.00 2.39 0.06 0.09 31.24 Average: 3 64.99 0.00 2.55 0.16 0.09 32.21