---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19343 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 11G 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 663 9946 4 5379 14983 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:37:19:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84279sec preferred_lft 84279sec inet6 fe80::f816:3eff:fe37:1973/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:5f:ed:1c:0b:33 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-19343) 05/23/26 _x86_64_ (4 CPU) 18:21:52 LINUX RESTART (4 CPU) 18:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:08 44.02 0.03 37.22 6.78 0.63 1682.35 101285.95 18:50:08 27.07 0.16 22.84 4.06 4.89 2190.08 32609.64 Average: 35.54 0.09 30.03 5.42 2.76 1936.22 66947.23 18:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:08 9322964 12758964 3200112 19.54 154572 3406972 3413468 19.59 674372 5990600 440 18:50:08 8970148 12867792 3087412 18.86 174128 3815604 3154632 18.11 813496 6159152 20396 Average: 9146556 12813378 3143762 19.20 164350 3611288 3284050 18.85 743934 6074876 10418 18:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:08 lo 38.44 38.44 9.14 9.14 0.00 0.00 0.00 0.00 18:40:08 ens3 13.07 10.94 14.60 4.03 0.00 0.00 0.00 0.00 18:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:08 lo 1597.98 1597.98 1504.41 1504.41 0.00 0.00 0.00 0.00 18:50:08 ens3 46.41 34.27 277.61 9.27 0.00 0.00 0.00 0.00 18:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 818.22 818.22 756.79 756.79 0.00 0.00 0.00 0.00 Average: ens3 29.74 22.61 146.11 6.65 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-19343) 05/23/26 _x86_64_ (4 CPU) 18:21:52 LINUX RESTART (4 CPU) 18:30:08 CPU %user %nice %system %iowait %steal %idle 18:40:08 all 27.62 0.00 1.09 0.29 0.08 70.92 18:40:08 0 27.36 0.00 0.92 0.09 0.08 71.54 18:40:08 1 26.29 0.00 1.05 0.13 0.09 72.45 18:40:08 2 27.95 0.00 1.25 0.78 0.08 69.94 18:40:08 3 28.86 0.00 1.15 0.17 0.09 69.73 18:50:08 all 41.80 0.00 2.11 0.07 0.08 55.94 18:50:08 0 41.57 0.00 2.07 0.08 0.08 56.20 18:50:08 1 43.15 0.00 2.28 0.06 0.08 54.42 18:50:08 2 40.26 0.00 2.19 0.05 0.09 57.42 18:50:08 3 42.24 0.00 1.90 0.08 0.08 55.71 Average: all 34.70 0.00 1.60 0.18 0.08 63.43 Average: 0 34.46 0.00 1.49 0.09 0.08 63.88 Average: 1 34.71 0.00 1.67 0.09 0.08 63.44 Average: 2 34.10 0.00 1.72 0.41 0.09 63.68 Average: 3 35.55 0.00 1.53 0.12 0.08 62.72