---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11050 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 666 9183 4 6139 14980 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:c8:e1:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85052sec preferred_lft 85052sec inet6 fe80::f816:3eff:fec8:e170/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:2e:ed:b9:5a:87 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-11050) 05/05/26 _x86_64_ (4 CPU) 07:48:09 LINUX RESTART (4 CPU) 07:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:02 40.43 4.53 35.08 0.82 469.62 4091.02 664.06 08:10:01 50.07 0.78 32.28 17.01 31.69 10668.01 260549.31 Average: 45.24 2.66 33.68 8.91 250.90 7375.76 130458.35 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:02 11077640 14100444 1863604 11.38 108832 3083348 2501908 14.36 509284 4456856 49824 08:10:01 9490516 15420908 529500 3.23 147232 5831540 1009304 5.79 1509776 4885784 12568 Average: 10284078 14760676 1196552 7.31 128032 4457444 1755606 10.08 1009530 4671320 31196 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:02 lo 0.59 0.59 0.05 0.05 0.00 0.00 0.00 0.00 08:00:02 ens3 99.03 73.26 972.05 13.70 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 1248.65 1248.65 1185.63 1185.63 0.00 0.00 0.00 0.00 08:10:01 ens3 105.78 88.24 465.58 105.53 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 623.91 623.91 592.17 592.17 0.00 0.00 0.00 0.00 Average: ens3 102.40 80.74 719.10 59.56 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-11050) 05/05/26 _x86_64_ (4 CPU) 07:48:09 LINUX RESTART (4 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 08:00:02 all 12.87 0.00 0.73 0.26 0.04 86.11 08:00:02 0 11.58 0.00 0.67 0.40 0.03 87.32 08:00:02 1 11.90 0.00 0.57 0.08 0.03 87.41 08:00:02 2 15.74 0.00 0.75 0.12 0.05 83.34 08:00:02 3 12.25 0.00 0.91 0.44 0.03 86.38 08:10:01 all 53.80 0.00 2.32 0.42 0.10 43.37 08:10:01 0 48.09 0.00 2.11 0.57 0.09 49.13 08:10:01 1 55.31 0.00 2.41 0.34 0.09 41.85 08:10:01 2 59.60 0.00 2.56 0.34 0.10 37.40 08:10:01 3 52.22 0.00 2.18 0.41 0.10 45.09 Average: all 33.28 0.00 1.52 0.34 0.07 64.80 Average: 0 29.80 0.00 1.39 0.48 0.06 68.26 Average: 1 33.51 0.00 1.49 0.21 0.06 64.73 Average: 2 37.62 0.00 1.65 0.23 0.07 60.42 Average: 3 32.19 0.00 1.54 0.42 0.06 65.78