---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32811 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 663 9354 4 5971 14983 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:7d:f4:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84517sec preferred_lft 84517sec inet6 fe80::f816:3eff:fe7d:f466/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:14:78:c5:0d:ad 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-32811) 07/04/26 _x86_64_ (4 CPU) 05:12:31 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 11.09 0.02 9.36 1.71 0.59 764.47 39963.38 05:40:02 37.38 0.17 32.75 4.45 5.97 8182.58 26665.96 Average: 24.22 0.10 21.05 3.08 3.28 4471.15 33318.94 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 9477644 13019628 2938536 17.95 131736 3524260 3102372 17.81 677784 5805104 640 05:40:02 6812176 12584136 3361836 20.53 172880 5603156 3428064 19.68 1554296 7467668 8124 Average: 8144910 12801882 3150186 19.24 152308 4563708 3265218 18.74 1116040 6636386 4382 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 53.45 53.45 13.14 13.14 0.00 0.00 0.00 0.00 05:30:02 ens3 10.75 8.62 8.66 2.69 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:02 lo 2294.10 2294.10 2206.72 2206.72 0.00 0.00 0.00 0.00 05:40:02 ens3 80.45 62.17 475.73 15.26 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1173.06 1173.06 1109.23 1109.23 0.00 0.00 0.00 0.00 Average: ens3 45.58 35.37 242.04 8.97 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-32811) 07/04/26 _x86_64_ (4 CPU) 05:12:31 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 18.12 0.00 0.80 0.07 0.09 80.92 05:30:02 0 17.46 0.00 0.92 0.04 0.10 81.48 05:30:02 1 18.26 0.00 0.76 0.05 0.10 80.83 05:30:02 2 17.61 0.00 0.80 0.16 0.10 81.33 05:30:02 3 19.12 0.00 0.73 0.03 0.09 80.03 05:40:02 all 51.38 0.00 2.66 0.13 0.09 45.74 05:40:02 0 51.00 0.00 2.56 0.07 0.08 46.30 05:40:02 1 52.63 0.00 2.73 0.24 0.09 44.32 05:40:02 2 50.88 0.00 2.65 0.09 0.09 46.29 05:40:02 3 51.01 0.00 2.72 0.13 0.08 46.06 Average: all 34.73 0.00 1.73 0.10 0.09 63.35 Average: 0 34.21 0.00 1.74 0.05 0.09 63.91 Average: 1 35.43 0.00 1.74 0.14 0.09 62.59 Average: 2 34.23 0.00 1.73 0.12 0.09 63.83 Average: 3 35.03 0.00 1.72 0.08 0.09 63.08