---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1463 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 12G 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 713 9440 4 5835 14933 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:05:12:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84394sec preferred_lft 84394sec inet6 fe80::f816:3eff:fe05:124c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:35:8d:5f:b8:49 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-1463) 08/02/26 _x86_64_ (4 CPU) 06:26:24 LINUX RESTART (4 CPU) 06:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:16 23.94 2.86 19.33 1.75 173.48 5178.37 11010.05 06:50:16 34.05 0.05 30.49 3.51 1.32 3236.35 13645.92 Average: 28.99 1.45 24.90 2.63 87.50 4208.49 12326.45 06:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:16 9117992 13035280 2919728 17.83 158472 3841940 3064948 17.59 713848 6092856 17344 06:50:16 8368248 12869704 3081096 18.82 188560 4348124 3235832 18.57 871420 6652472 23788 Average: 8743120 12952492 3000412 18.33 173516 4095032 3150390 18.08 792634 6372664 20566 06:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:16 lo 576.04 576.04 548.89 548.89 0.00 0.00 0.00 0.00 06:40:16 ens3 125.74 88.96 1148.84 17.07 0.00 0.00 0.00 0.00 06:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:16 lo 1646.77 1646.77 1569.96 1569.96 0.00 0.00 0.00 0.00 06:50:16 ens3 54.17 37.71 121.30 11.86 0.00 0.00 0.00 0.00 06:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.78 1110.78 1058.83 1058.83 0.00 0.00 0.00 0.00 Average: ens3 90.00 63.37 635.67 14.47 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-1463) 08/02/26 _x86_64_ (4 CPU) 06:26:24 LINUX RESTART (4 CPU) 06:30:15 CPU %user %nice %system %iowait %steal %idle 06:40:16 all 51.14 0.00 1.79 0.14 0.09 46.83 06:40:16 0 51.23 0.00 1.67 0.13 0.09 46.89 06:40:16 1 52.87 0.00 1.85 0.17 0.09 45.02 06:40:16 2 52.56 0.00 1.81 0.15 0.10 45.39 06:40:16 3 47.92 0.00 1.84 0.11 0.10 50.03 06:50:16 all 60.97 0.00 2.47 0.11 0.09 36.35 06:50:16 0 60.79 0.00 2.39 0.06 0.09 36.67 06:50:16 1 58.98 0.00 2.63 0.05 0.09 38.24 06:50:16 2 63.21 0.00 2.61 0.13 0.09 33.96 06:50:16 3 60.92 0.00 2.25 0.20 0.10 36.54 Average: all 56.05 0.00 2.13 0.12 0.09 41.60 Average: 0 56.00 0.00 2.03 0.09 0.09 41.79 Average: 1 55.92 0.00 2.24 0.11 0.09 41.63 Average: 2 57.88 0.00 2.21 0.14 0.09 39.68 Average: 3 54.41 0.00 2.05 0.15 0.10 43.30