---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7963 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 657 9851 4 5481 14989 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:1e:93:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fe1e:93d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:d3:67:93:8a:57 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-7963) 04/25/26 _x86_64_ (4 CPU) 10:23:29 LINUX RESTART (4 CPU) 10:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:01 10.50 0.03 8.73 1.74 0.81 558.22 44600.69 10:50:09 27.06 0.65 24.03 2.38 73.77 6640.06 23086.62 Average: 18.83 0.34 16.43 2.06 37.51 3617.57 33778.46 10:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:01 9721024 12920244 3040208 18.57 122764 3216752 3235980 18.57 633612 5634424 552 10:50:09 9026836 14270592 1679572 10.26 160484 5107116 2051528 11.78 1506968 5339720 128492 Average: 9373930 13595418 2359890 14.41 141624 4161934 2643754 15.18 1070290 5487072 64522 10:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:01 lo 52.40 52.40 12.88 12.88 0.00 0.00 0.00 0.00 10:40:01 ens3 6.46 5.73 7.80 6.38 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:09 lo 965.84 965.84 938.32 938.32 0.00 0.00 0.00 0.00 10:50:09 ens3 95.77 90.61 645.88 739.42 0.00 0.00 0.00 0.00 10:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 511.89 511.89 478.40 478.40 0.00 0.00 0.00 0.00 Average: ens3 51.39 48.43 328.77 375.12 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-7963) 04/25/26 _x86_64_ (4 CPU) 10:23:29 LINUX RESTART (4 CPU) 10:30:00 CPU %user %nice %system %iowait %steal %idle 10:40:01 all 15.28 0.00 0.73 0.10 0.08 83.81 10:40:01 0 14.59 0.00 0.77 0.20 0.08 84.36 10:40:01 1 15.88 0.00 0.80 0.15 0.09 83.08 10:40:01 2 15.27 0.00 0.62 0.02 0.08 84.00 10:40:01 3 15.37 0.00 0.72 0.02 0.08 83.81 10:50:09 all 35.49 0.00 1.74 0.09 0.08 62.60 10:50:09 0 35.27 0.00 1.69 0.08 0.08 62.88 10:50:09 1 33.72 0.00 1.46 0.15 0.08 64.59 10:50:09 2 34.36 0.00 1.82 0.08 0.08 63.66 10:50:09 3 38.61 0.00 1.97 0.06 0.08 59.29 Average: all 25.44 0.00 1.23 0.10 0.08 73.15 Average: 0 24.98 0.00 1.23 0.14 0.08 73.56 Average: 1 24.85 0.00 1.13 0.15 0.08 73.79 Average: 2 24.87 0.00 1.22 0.05 0.08 73.77 Average: 3 27.04 0.00 1.35 0.04 0.08 71.49