---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32747 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 12G 66G 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 678 9349 4 5961 14968 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:19:1c:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84443sec preferred_lft 84443sec inet6 fe80::f816:3eff:fe19:1cbd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:d2:26:76:3b:8b 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-32747) 07/04/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 23.85 1.96 18.60 3.29 127.74 3634.01 35732.45 01:30:11 22.01 0.16 18.84 3.00 4.84 1695.40 27792.14 Average: 22.92 1.05 18.72 3.14 65.50 2652.18 31710.98 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9646564 13172232 2786564 17.02 131156 3509516 3072044 17.63 677420 5658064 220 01:30:11 8686984 12762424 3192440 19.50 151648 4003668 3277200 18.81 831044 6428332 176932 Average: 9166774 12967328 2989502 18.26 141402 3756592 3174622 18.22 754232 6043198 88576 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 25.08 25.08 5.89 5.89 0.00 0.00 0.00 0.00 01:20:01 ens3 40.41 30.39 172.25 8.05 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:11 lo 1325.31 1325.31 1235.54 1235.54 0.00 0.00 0.00 0.00 01:30:11 ens3 45.89 32.19 261.78 7.92 0.00 0.00 0.00 0.00 01:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 683.60 683.60 628.66 628.66 0.00 0.00 0.00 0.00 Average: ens3 43.19 31.31 217.59 7.98 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-32747) 07/04/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 38.28 0.00 1.35 0.34 0.09 59.94 01:20:01 0 37.88 0.00 1.37 0.19 0.09 60.46 01:20:01 1 38.87 0.00 1.72 0.49 0.09 58.83 01:20:01 2 37.36 0.00 1.10 0.42 0.09 61.03 01:20:01 3 39.03 0.00 1.20 0.25 0.09 59.42 01:30:11 all 30.01 0.00 1.63 0.05 0.09 68.23 01:30:11 0 30.14 0.00 1.62 0.04 0.09 68.11 01:30:11 1 29.82 0.00 1.67 0.11 0.09 68.31 01:30:11 2 28.93 0.00 1.49 0.03 0.08 69.46 01:30:11 3 31.13 0.00 1.72 0.03 0.08 67.04 Average: all 34.09 0.00 1.49 0.19 0.09 64.14 Average: 0 33.96 0.00 1.50 0.11 0.09 64.34 Average: 1 34.28 0.00 1.70 0.30 0.09 63.63 Average: 2 33.10 0.00 1.30 0.22 0.09 65.30 Average: 3 35.03 0.00 1.46 0.14 0.09 63.28