---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12323 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 9.9G 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 668 10938 4 4382 14978 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:ce:2b:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84864sec preferred_lft 84864sec inet6 fe80::f816:3eff:fece:2b97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:cc:36:25:b9:f4 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-12323) 05/09/26 _x86_64_ (4 CPU) 21:55:42 LINUX RESTART (4 CPU) 22:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:10 53.08 0.11 43.87 9.10 5.13 4015.32 33749.96 22:20:13 18.15 0.32 14.33 3.51 11.98 2325.66 6007.48 Average: 35.31 0.21 28.84 6.26 8.61 3155.63 19634.70 22:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:10 10185240 13818496 2137220 13.05 174980 3553888 2290568 13.15 665348 5085512 58048 22:20:13 11332208 15456840 496144 3.03 197560 3990024 1014720 5.82 810892 3743912 224 Average: 10758724 14637668 1316682 8.04 186270 3771956 1652644 9.49 738120 4414712 29136 22:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:10 lo 4841.21 4841.21 4616.94 4616.94 0.00 0.00 0.00 0.00 22:10:10 ens3 112.42 85.03 117.62 28.17 0.00 0.00 0.00 0.00 22:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:13 lo 1119.70 1119.70 1048.63 1048.63 0.00 0.00 0.00 0.00 22:20:13 ens3 108.23 103.86 120.48 167.82 0.00 0.00 0.00 0.00 22:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2947.72 2947.72 2801.40 2801.40 0.00 0.00 0.00 0.00 Average: ens3 110.28 94.61 119.08 99.23 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-12323) 05/09/26 _x86_64_ (4 CPU) 21:55:42 LINUX RESTART (4 CPU) 22:00:27 CPU %user %nice %system %iowait %steal %idle 22:10:10 all 65.83 0.00 4.15 0.11 0.09 29.82 22:10:10 0 64.73 0.00 3.82 0.14 0.09 31.22 22:10:10 1 65.67 0.00 4.48 0.08 0.09 29.67 22:10:10 2 66.90 0.00 4.05 0.10 0.08 28.87 22:10:10 3 66.02 0.00 4.26 0.13 0.08 29.51 22:20:13 all 25.92 0.00 1.38 0.06 0.06 72.59 22:20:13 0 25.25 0.00 1.38 0.05 0.06 73.26 22:20:13 1 32.74 0.00 1.57 0.07 0.06 65.55 22:20:13 2 24.69 0.00 1.38 0.05 0.06 73.82 22:20:13 3 21.02 0.00 1.17 0.07 0.06 77.68 Average: all 45.47 0.00 2.74 0.09 0.07 51.63 Average: 0 44.62 0.00 2.58 0.09 0.07 52.64 Average: 1 48.89 0.00 3.00 0.08 0.08 47.96 Average: 2 45.39 0.00 2.69 0.07 0.07 51.77 Average: 3 43.01 0.00 2.68 0.10 0.07 54.14