---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1245 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 688 10255 4 5045 14958 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:b6:67:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84056sec preferred_lft 84056sec inet6 fe80::f816:3eff:feb6:6763/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:83:ba:8b:a3:20 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-1245) 08/01/26 _x86_64_ (4 CPU) 17:47:04 LINUX RESTART (4 CPU) 17:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:01 6.24 0.27 5.48 0.48 208.96 568.81 5534.52 18:10:01 26.86 2.03 10.42 14.41 130.69 2945.04 241352.80 18:20:01 31.10 0.77 26.80 3.53 23.67 4110.72 6445.61 Average: 21.40 1.03 14.23 6.14 121.11 2541.52 84444.31 17:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:01 12796640 15490128 480804 2.94 103028 2777516 994800 5.71 429696 2806368 108 18:10:01 10500232 14119468 1838528 11.23 141932 3589828 2219452 12.74 665436 4803296 11820 18:20:01 8606984 13363856 2585100 15.79 175372 4608416 2741552 15.74 975144 6291580 46876 Average: 10634619 14324484 1634811 9.98 140111 3658587 1985268 11.40 690092 4633748 19601 17:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:01 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 18:00:01 ens3 25.42 19.85 393.53 1.88 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 18:10:01 ens3 92.70 75.22 603.44 18.12 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 lo 1758.58 1758.58 1676.77 1676.77 0.00 0.00 0.00 0.00 18:20:01 ens3 81.44 61.84 427.18 16.34 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 586.65 586.65 558.97 558.97 0.00 0.00 0.00 0.00 Average: ens3 66.52 52.30 474.72 12.11 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-1245) 08/01/26 _x86_64_ (4 CPU) 17:47:04 LINUX RESTART (4 CPU) 17:50:01 CPU %user %nice %system %iowait %steal %idle 18:00:01 all 0.64 0.00 0.20 0.08 0.02 99.06 18:00:01 0 0.23 0.00 0.11 0.08 0.01 99.56 18:00:01 1 0.67 0.00 0.30 0.07 0.02 98.94 18:00:01 2 0.93 0.00 0.17 0.09 0.03 98.78 18:00:01 3 0.72 0.00 0.21 0.08 0.03 98.97 18:10:01 all 65.80 0.00 2.26 0.05 0.09 31.81 18:10:01 0 65.60 0.00 2.06 0.05 0.09 32.20 18:10:01 1 65.39 0.00 2.23 0.05 0.09 32.24 18:10:01 2 66.17 0.00 2.58 0.06 0.09 31.10 18:10:01 3 66.03 0.00 2.16 0.03 0.08 31.69 18:20:01 all 69.03 0.00 2.95 0.06 0.09 27.87 18:20:01 0 68.55 0.00 2.79 0.06 0.09 28.52 18:20:01 1 69.01 0.00 2.98 0.07 0.09 27.85 18:20:01 2 69.26 0.00 2.94 0.06 0.09 27.64 18:20:01 3 69.30 0.00 3.08 0.04 0.09 27.49 Average: all 45.09 0.00 1.80 0.06 0.07 52.98 Average: 0 44.75 0.00 1.65 0.06 0.06 53.47 Average: 1 44.97 0.00 1.84 0.07 0.07 53.07 Average: 2 45.37 0.00 1.89 0.07 0.07 52.59 Average: 3 45.26 0.00 1.81 0.05 0.07 52.81