---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25652 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 620 10409 4 4958 15025 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:7a:af:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84897sec preferred_lft 84897sec inet6 fe80::f816:3eff:fe7a:af5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:bc:f5:d2:44: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-25652) 06/07/26 _x86_64_ (4 CPU) 17:09:20 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 37.41 4.02 32.58 0.81 251.65 4526.84 561.73 17:30:03 9.55 0.53 8.59 0.42 19.80 1963.70 301.92 Average: 23.46 2.28 20.57 0.62 135.59 3243.81 431.68 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9717792 12769456 3194032 19.51 113844 3096936 3510004 20.15 486156 5828408 660 17:30:03 9018644 12796832 3161920 19.31 133444 3763584 3320372 19.06 600396 6345248 180576 Average: 9368218 12783144 3177976 19.41 123644 3430260 3415188 19.60 543276 6086828 90618 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 87.48 68.87 903.82 12.01 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:03 lo 108.02 108.02 102.70 102.70 0.00 0.00 0.00 0.00 17:30:03 ens3 35.74 24.51 449.29 3.25 0.00 0.00 0.00 0.00 17:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 54.34 54.34 51.43 51.43 0.00 0.00 0.00 0.00 Average: ens3 61.58 46.67 676.30 7.63 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-25652) 06/07/26 _x86_64_ (4 CPU) 17:09:20 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 49.86 0.00 1.26 0.31 0.07 48.50 17:20:01 0 47.66 0.00 1.19 0.57 0.07 50.52 17:20:01 1 52.60 0.00 1.06 0.07 0.07 46.20 17:20:01 2 46.58 0.00 1.32 0.11 0.08 51.91 17:20:01 3 52.60 0.00 1.49 0.48 0.07 45.36 17:30:03 all 47.98 0.00 0.77 0.70 0.08 50.48 17:30:03 0 40.50 0.00 0.61 0.92 0.07 57.90 17:30:03 1 34.11 0.00 0.72 0.75 0.08 64.35 17:30:03 2 45.94 0.00 0.89 0.39 0.08 52.71 17:30:03 3 71.39 0.00 0.84 0.76 0.08 26.94 Average: all 48.92 0.00 1.01 0.51 0.07 49.49 Average: 0 44.08 0.00 0.90 0.74 0.07 54.21 Average: 1 43.33 0.00 0.89 0.41 0.07 55.29 Average: 2 46.26 0.00 1.11 0.25 0.08 52.31 Average: 3 62.01 0.00 1.16 0.62 0.08 36.14