---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8490 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 68G 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 691 10523 4 4774 14955 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:36:8b:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fe36:8b92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:32:e4:ea:da:b2 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-8490) 04/27/26 _x86_64_ (4 CPU) 14:38:22 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:13 19.02 2.80 15.28 0.94 160.41 3808.04 1528.97 15:00:03 20.81 0.81 17.84 2.16 27.67 3332.41 6585.56 Average: 19.90 1.83 16.53 1.54 95.19 3574.35 4013.38 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:13 10544192 13702096 2259392 13.80 126944 3168092 2655972 15.25 537540 4929432 24016 15:00:03 9204012 13272404 2680520 16.37 166108 3959032 2775460 15.93 771580 5937180 15328 Average: 9874102 13487250 2469956 15.09 146526 3563562 2715716 15.59 654560 5433306 19672 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:13 lo 1.02 1.02 0.11 0.11 0.00 0.00 0.00 0.00 14:50:13 ens3 89.38 70.77 677.08 17.38 0.00 0.00 0.00 0.00 14:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:03 lo 959.54 959.54 914.08 914.08 0.00 0.00 0.00 0.00 15:00:03 ens3 74.72 56.02 373.81 15.86 0.00 0.00 0.00 0.00 15:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 471.96 471.96 449.16 449.16 0.00 0.00 0.00 0.00 Average: ens3 82.18 63.52 528.07 16.63 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-8490) 04/27/26 _x86_64_ (4 CPU) 14:38:22 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:13 all 49.51 0.00 1.79 0.43 0.13 48.14 14:50:13 0 50.62 0.00 1.85 0.33 0.13 47.08 14:50:13 1 48.14 0.00 1.73 0.17 0.12 49.83 14:50:13 2 50.15 0.00 1.84 0.69 0.14 47.18 14:50:13 3 49.11 0.00 1.73 0.53 0.14 48.49 15:00:03 all 68.84 0.00 2.60 0.48 0.19 27.89 15:00:03 0 66.49 0.00 2.58 0.24 0.18 30.51 15:00:03 1 67.87 0.00 2.47 0.49 0.19 28.97 15:00:03 2 69.31 0.00 2.56 0.40 0.19 27.54 15:00:03 3 71.69 0.00 2.77 0.81 0.19 24.55 Average: all 59.00 0.00 2.19 0.46 0.16 38.20 Average: 0 58.42 0.00 2.21 0.29 0.15 38.94 Average: 1 57.82 0.00 2.10 0.33 0.16 39.59 Average: 2 59.55 0.00 2.20 0.55 0.16 37.54 Average: 3 60.19 0.00 2.24 0.67 0.16 36.74