---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22840 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: 5600.00 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 661 10307 4 5020 14984 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:d8:30:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84615sec preferred_lft 84615sec inet6 fe80::f816:3eff:fed8:3019/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:b1:73:16:88:60 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-22840) 06/02/26 _x86_64_ (4 CPU) 20:36:09 LINUX RESTART (4 CPU) 20:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 27.85 0.87 12.09 14.88 426.78 2766.38 246000.44 21:00:14 30.96 0.76 26.09 4.11 25.58 3834.18 12095.47 Average: 29.43 0.81 19.22 9.39 222.40 3310.35 126843.28 20:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 9385428 13174320 2782360 16.99 147220 3736536 3128096 17.96 773192 5800808 21204 21:00:14 10594752 15375304 574948 3.51 173596 4636836 1110984 6.38 1035544 4240620 28 Average: 9990090 14274812 1678654 10.25 160408 4186686 2119540 12.17 904368 5020714 10616 20:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 20:50:01 ens3 71.10 52.85 233.59 16.90 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:14 lo 1622.36 1622.36 1540.87 1540.87 0.00 0.00 0.00 0.00 21:00:14 ens3 83.50 69.66 394.17 77.07 0.00 0.00 0.00 0.00 21:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 827.19 827.19 785.03 785.03 0.00 0.00 0.00 0.00 Average: ens3 77.41 61.41 315.40 47.55 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-22840) 06/02/26 _x86_64_ (4 CPU) 20:36:09 LINUX RESTART (4 CPU) 20:40:11 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 73.19 0.00 2.27 0.12 0.10 24.31 20:50:01 0 76.10 0.00 2.58 0.15 0.10 21.07 20:50:01 1 73.90 0.00 2.04 0.11 0.10 23.85 20:50:01 2 73.52 0.00 2.32 0.11 0.10 23.95 20:50:01 3 69.25 0.00 2.14 0.12 0.11 28.39 21:00:14 all 48.32 0.00 2.15 0.10 0.09 49.34 21:00:14 0 51.38 0.00 1.98 0.05 0.08 46.50 21:00:14 1 43.98 0.00 2.01 0.11 0.08 53.81 21:00:14 2 51.45 0.00 2.47 0.16 0.09 45.83 21:00:14 3 46.49 0.00 2.15 0.06 0.09 51.21 Average: all 60.52 0.00 2.21 0.11 0.09 37.06 Average: 0 63.51 0.00 2.28 0.10 0.09 34.02 Average: 1 58.65 0.00 2.02 0.11 0.09 39.13 Average: 2 62.28 0.00 2.39 0.14 0.10 35.09 Average: 3 57.65 0.00 2.14 0.09 0.10 40.02