---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31663 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 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 639 9748 4 5600 15007 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:ff:fa:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84411sec preferred_lft 84411sec inet6 fe80::f816:3eff:feff:fa6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:db:53:3d:7e:e4 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-31663) 06/29/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:07 31.71 0.03 26.98 4.69 0.68 1247.51 103091.69 18:50:01 33.23 0.18 28.53 4.52 5.81 6184.73 28850.82 Average: 32.47 0.11 27.76 4.61 3.26 3729.87 65764.51 18:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:07 9246804 12911512 3046452 18.61 157876 3627736 3265560 18.74 813580 5914008 452 18:50:01 7747800 12977144 2972460 18.15 186500 5083484 3034204 17.42 1379944 6773264 31676 Average: 8497302 12944328 3009456 18.38 172188 4355610 3149882 18.08 1096762 6343636 16064 18:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:07 lo 50.25 50.25 12.18 12.18 0.00 0.00 0.00 0.00 18:40:07 ens3 8.68 6.83 8.23 2.14 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2111.95 2111.95 2010.96 2010.96 0.00 0.00 0.00 0.00 18:50:01 ens3 81.07 59.59 481.93 14.36 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1086.84 1086.84 1017.13 1017.13 0.00 0.00 0.00 0.00 Average: ens3 45.07 33.36 246.40 8.29 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-31663) 06/29/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:18 CPU %user %nice %system %iowait %steal %idle 18:40:07 all 19.58 0.00 0.93 0.19 0.09 79.22 18:40:07 0 19.70 0.00 0.95 0.09 0.09 79.17 18:40:07 1 19.41 0.00 0.91 0.05 0.09 79.54 18:40:07 2 19.67 0.00 1.06 0.48 0.09 78.69 18:40:07 3 19.53 0.00 0.78 0.13 0.09 79.46 18:50:01 all 48.11 0.00 2.44 0.11 0.09 49.24 18:50:01 0 46.28 0.00 2.23 0.22 0.09 51.18 18:50:01 1 50.32 0.00 2.96 0.08 0.10 46.54 18:50:01 2 48.28 0.00 2.29 0.06 0.09 49.27 18:50:01 3 47.57 0.00 2.29 0.08 0.09 49.97 Average: all 33.91 0.00 1.69 0.15 0.09 64.16 Average: 0 33.07 0.00 1.59 0.16 0.09 65.10 Average: 1 34.92 0.00 1.94 0.06 0.09 62.98 Average: 2 34.04 0.00 1.68 0.27 0.09 63.92 Average: 3 33.63 0.00 1.54 0.11 0.09 64.63