---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23741 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 67G 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 647 9971 4 5371 14999 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:ea:b1:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84389sec preferred_lft 84389sec inet6 fe80::f816:3eff:feea:b1fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:cf:bd:60:96:21 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-23741) 06/04/26 _x86_64_ (4 CPU) 18:22:50 LINUX RESTART (4 CPU) 18:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:00 45.23 0.03 38.40 6.80 0.67 1717.21 128826.21 18:50:01 27.28 0.16 23.11 4.00 4.90 2243.67 31329.08 Average: 36.10 0.10 30.63 5.38 2.82 1984.85 79261.45 18:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:00 9969580 13395780 2563776 15.66 154644 3397296 2847624 16.35 675064 5334648 52 18:50:01 9056220 13269796 2685108 16.40 175372 4118028 2759828 15.84 851740 6023636 317744 Average: 9512900 13332788 2624442 16.03 165008 3757662 2803726 16.09 763402 5679142 158898 18:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:00 lo 38.78 38.78 9.09 9.09 0.00 0.00 0.00 0.00 18:40:00 ens3 15.41 13.23 15.56 4.62 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1599.29 1599.29 1504.68 1504.68 0.00 0.00 0.00 0.00 18:50:01 ens3 60.87 45.20 354.28 12.32 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 832.10 832.10 769.40 769.40 0.00 0.00 0.00 0.00 Average: ens3 38.52 29.48 187.75 8.54 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-23741) 06/04/26 _x86_64_ (4 CPU) 18:22:50 LINUX RESTART (4 CPU) 18:30:18 CPU %user %nice %system %iowait %steal %idle 18:40:00 all 28.00 0.00 1.06 0.26 0.09 70.59 18:40:00 0 27.75 0.00 1.05 0.04 0.09 71.06 18:40:00 1 28.94 0.00 0.97 0.07 0.09 69.93 18:40:00 2 28.15 0.00 1.23 0.89 0.09 69.63 18:40:00 3 27.14 0.00 1.00 0.04 0.09 71.72 18:50:01 all 41.68 0.00 2.06 0.06 0.10 56.10 18:50:01 0 42.81 0.00 2.23 0.10 0.10 54.77 18:50:01 1 41.55 0.00 1.88 0.05 0.10 56.43 18:50:01 2 41.32 0.00 2.04 0.04 0.10 56.50 18:50:01 3 41.03 0.00 2.10 0.06 0.10 56.72 Average: all 34.94 0.00 1.57 0.16 0.10 63.23 Average: 0 35.40 0.00 1.65 0.07 0.10 62.79 Average: 1 35.34 0.00 1.43 0.06 0.09 63.08 Average: 2 34.84 0.00 1.64 0.46 0.10 62.96 Average: 3 34.20 0.00 1.56 0.05 0.10 64.10