---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1194 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 68G 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 699 10466 4 4824 14947 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:b3:7a:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84753sec preferred_lft 84753sec inet6 fe80::f816:3eff:feb3:7ad0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:e7:6b:e2:7b:1f 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-1194) 08/01/26 _x86_64_ (4 CPU) 13:18:26 LINUX RESTART (4 CPU) 13:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:07 20.98 2.93 16.83 1.23 167.36 4466.59 1780.41 13:40:07 31.58 0.91 26.14 4.53 33.21 4490.11 12641.73 Average: 26.26 1.93 21.46 2.87 100.61 4478.29 7184.59 13:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:07 10337152 13758076 2201428 13.45 137976 3397156 2623200 15.06 577588 5070400 29196 13:40:07 10827352 15408012 543480 3.32 173144 4437496 1113308 6.39 899132 4153888 756 Average: 10582252 14583044 1372454 8.38 155560 3917326 1868254 10.72 738360 4612144 14976 13:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:07 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 13:30:07 ens3 124.32 101.81 915.63 22.87 0.00 0.00 0.00 0.00 13:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:07 lo 1673.05 1673.05 1593.44 1593.44 0.00 0.00 0.00 0.00 13:40:07 ens3 94.61 73.16 431.53 39.32 0.00 0.00 0.00 0.00 13:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 833.13 833.13 792.90 792.90 0.00 0.00 0.00 0.00 Average: ens3 109.54 87.55 674.76 31.06 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-1194) 08/01/26 _x86_64_ (4 CPU) 13:18:26 LINUX RESTART (4 CPU) 13:20:01 CPU %user %nice %system %iowait %steal %idle 13:30:07 all 63.72 0.00 2.10 0.08 0.09 34.02 13:30:07 0 64.73 0.00 2.07 0.04 0.09 33.08 13:30:07 1 64.38 0.00 2.37 0.06 0.08 33.11 13:30:07 2 61.91 0.00 2.07 0.18 0.09 35.77 13:30:07 3 63.86 0.00 1.88 0.04 0.09 34.13 13:40:07 all 63.55 0.00 2.58 0.08 0.08 33.71 13:40:07 0 62.87 0.00 2.48 0.12 0.08 34.45 13:40:07 1 63.60 0.00 2.90 0.05 0.09 33.37 13:40:07 2 64.66 0.00 2.61 0.09 0.09 32.54 13:40:07 3 63.06 0.00 2.32 0.07 0.08 34.47 Average: all 63.63 0.00 2.34 0.08 0.09 33.87 Average: 0 63.81 0.00 2.27 0.08 0.08 33.76 Average: 1 63.99 0.00 2.63 0.05 0.08 33.24 Average: 2 63.28 0.00 2.34 0.13 0.09 34.16 Average: 3 63.46 0.00 2.10 0.05 0.08 34.30