---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34019 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 670 10502 4 4817 14976 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:c9:78:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84585sec preferred_lft 84585sec inet6 fe80::f816:3eff:fec9:78bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:33:f8:e5:f9:ac 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-34019) 07/08/26 _x86_64_ (4 CPU) 13:42:01 LINUX RESTART (4 CPU) 13:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:03 11.68 0.44 10.10 1.14 17.25 2289.59 2837.80 14:10:04 28.76 0.58 23.89 4.29 22.29 3819.37 11558.71 Average: 20.23 0.51 17.00 2.72 19.77 3055.22 7202.50 13:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:03 10217640 13841460 2115812 12.92 145756 3572364 2375156 13.63 642956 5101068 29968 14:10:04 10822700 15395412 555416 3.39 171448 4433188 1119464 6.43 895048 4162408 168 Average: 10520170 14618436 1335614 8.16 158602 4002776 1747310 10.03 769002 4631738 15068 13:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:03 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 14:00:03 ens3 68.70 53.56 102.31 17.41 0.00 0.00 0.00 0.00 14:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:04 lo 1828.20 1828.20 1733.92 1733.92 0.00 0.00 0.00 0.00 14:10:04 ens3 98.07 83.96 402.92 105.69 0.00 0.00 0.00 0.00 14:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 915.71 915.71 867.88 867.88 0.00 0.00 0.00 0.00 Average: ens3 83.40 68.77 252.76 61.59 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-34019) 07/08/26 _x86_64_ (4 CPU) 13:42:01 LINUX RESTART (4 CPU) 13:50:03 CPU %user %nice %system %iowait %steal %idle 14:00:03 all 72.57 0.00 2.23 0.24 0.11 24.85 14:00:03 0 72.94 0.00 1.99 0.10 0.11 24.86 14:00:03 1 71.93 0.00 2.21 0.36 0.11 25.39 14:00:03 2 73.53 0.00 2.41 0.15 0.11 23.80 14:00:03 3 71.88 0.00 2.33 0.35 0.11 25.33 14:10:04 all 45.75 0.00 2.17 2.73 0.09 49.26 14:10:04 0 38.86 0.00 1.73 1.62 0.09 57.70 14:10:04 1 50.29 0.00 2.63 3.36 0.09 43.64 14:10:04 2 45.69 0.00 2.08 3.10 0.09 49.03 14:10:04 3 48.18 0.00 2.23 2.85 0.09 46.65 Average: all 59.15 0.00 2.20 1.49 0.10 37.06 Average: 0 55.87 0.00 1.86 0.86 0.10 41.31 Average: 1 61.10 0.00 2.42 1.86 0.10 34.52 Average: 2 59.60 0.00 2.25 1.63 0.10 36.43 Average: 3 60.02 0.00 2.28 1.60 0.10 36.00