---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27393 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: 5600.00 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 747 9399 4 5841 14898 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:6f:ff:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84039sec preferred_lft 84039sec inet6 fe80::f816:3eff:fe6f:ff4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:14:57:de:2d:fb 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-27393) 06/14/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 15.39 2.35 11.93 1.11 137.98 3882.49 2098.16 20:50:09 55.37 0.32 45.39 9.66 10.04 4176.62 28146.74 21:00:09 50.78 0.29 29.92 20.56 11.79 5080.21 249542.27 Average: 40.69 0.98 29.22 10.48 52.72 4381.04 93374.69 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 10055300 13699264 2258256 13.79 161352 3575896 2539952 14.58 631516 5264904 83296 20:50:09 8783000 13279976 2669912 16.31 205296 4315972 3122972 17.93 821296 6277436 93204 21:00:09 9767760 15382624 562060 3.43 240388 5336036 1117060 6.41 1210600 4824564 100 Average: 9535353 14120621 1830076 11.18 202345 4409301 2259995 12.97 887804 5455635 58867 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:40:01 ens3 110.04 85.88 542.83 23.38 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5298.20 5298.20 5052.82 5052.82 0.00 0.00 0.00 0.00 20:50:09 ens3 94.40 68.34 319.14 20.14 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 2893.62 2893.62 2748.26 2748.26 0.00 0.00 0.00 0.00 21:00:09 ens3 103.08 88.64 110.09 122.95 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2753.88 2753.88 2622.19 2622.19 0.00 0.00 0.00 0.00 Average: ens3 102.44 80.88 323.06 55.48 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-27393) 06/14/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 67.58 0.00 2.33 0.06 0.09 29.94 20:40:01 0 66.94 0.00 2.36 0.05 0.10 30.56 20:40:01 1 68.72 0.00 2.30 0.07 0.09 28.83 20:40:01 2 67.39 0.00 2.27 0.09 0.09 30.16 20:40:01 3 67.28 0.00 2.39 0.03 0.09 30.20 20:50:09 all 61.21 0.00 4.04 0.59 0.09 34.06 20:50:09 0 59.77 0.00 3.67 0.46 0.09 36.01 20:50:09 1 62.28 0.00 4.19 0.49 0.09 32.95 20:50:09 2 59.52 0.00 3.70 1.22 0.09 35.47 20:50:09 3 63.30 0.00 4.60 0.18 0.09 31.83 21:00:09 all 53.20 0.00 3.15 0.95 0.09 42.61 21:00:09 0 52.93 0.00 3.41 1.16 0.09 42.40 21:00:09 1 52.81 0.00 2.86 1.40 0.09 42.84 21:00:09 2 52.77 0.00 3.10 1.04 0.09 43.00 21:00:09 3 54.30 0.00 3.22 0.19 0.09 42.21 Average: all 60.64 0.00 3.18 0.53 0.09 35.56 Average: 0 59.85 0.00 3.15 0.56 0.09 36.35 Average: 1 61.24 0.00 3.12 0.65 0.09 34.89 Average: 2 59.86 0.00 3.03 0.79 0.09 36.23 Average: 3 61.61 0.00 3.41 0.13 0.09 34.76