---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13005 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 14% / 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 633 10449 4 4905 15012 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:e1:24:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84923sec preferred_lft 84923sec inet6 fe80::f816:3eff:fee1:24b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:3b:52:17:21:f0 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-13005) 05/12/26 _x86_64_ (4 CPU) 15:38:09 LINUX RESTART (4 CPU) 15:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:14 13.09 2.19 10.40 0.50 133.73 3046.18 392.81 16:00:39 19.09 0.50 17.08 1.52 18.23 2360.65 16406.00 Average: 16.13 1.33 13.78 1.02 75.30 2699.39 8493.60 15:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:14 9420460 12488156 3474128 21.22 114668 3117368 3730392 21.41 518428 6086784 1160 16:00:39 10083744 13640936 2316920 14.15 136068 3553956 2515132 14.44 708236 5175560 17016 Average: 9752102 13064546 2895524 17.68 125368 3335662 3122762 17.92 613332 5631172 9088 15:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:14 lo 0.71 0.71 0.38 0.38 0.00 0.00 0.00 0.00 15:50:14 ens3 73.81 57.65 744.35 8.39 0.00 0.00 0.00 0.00 15:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:39 lo 520.75 520.75 496.37 496.37 0.00 0.00 0.00 0.00 16:00:39 ens3 43.61 32.15 419.06 5.15 0.00 0.00 0.00 0.00 16:00:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 263.79 263.79 251.30 251.30 0.00 0.00 0.00 0.00 Average: ens3 58.53 44.75 579.79 6.75 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-13005) 05/12/26 _x86_64_ (4 CPU) 15:38:09 LINUX RESTART (4 CPU) 15:40:03 CPU %user %nice %system %iowait %steal %idle 15:50:14 all 51.01 0.00 1.09 0.06 0.07 47.76 15:50:14 0 44.44 0.00 0.90 0.03 0.07 54.55 15:50:14 1 52.79 0.00 1.03 0.08 0.07 46.02 15:50:14 2 59.60 0.00 1.23 0.02 0.08 39.07 15:50:14 3 47.22 0.00 1.20 0.10 0.07 51.41 16:00:39 all 54.95 0.00 1.44 0.07 0.07 43.46 16:00:39 0 44.49 0.00 1.34 0.06 0.07 54.03 16:00:39 1 62.72 0.00 1.30 0.03 0.07 35.88 16:00:39 2 51.87 0.00 1.71 0.10 0.08 46.24 16:00:39 3 60.75 0.00 1.41 0.07 0.07 37.70 Average: all 53.01 0.00 1.27 0.06 0.07 45.59 Average: 0 44.47 0.00 1.13 0.05 0.07 54.29 Average: 1 57.81 0.00 1.17 0.06 0.07 40.89 Average: 2 55.69 0.00 1.47 0.06 0.08 42.70 Average: 3 54.06 0.00 1.31 0.09 0.07 44.47