---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36385 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 661 10493 4 4834 14985 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:ea:88:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84387sec preferred_lft 84387sec inet6 fe80::f816:3eff:feea:8868/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:a5:73:8c:b4:60 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-36385) 07/16/26 _x86_64_ (4 CPU) 10:24:21 LINUX RESTART (4 CPU) 10:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:04 11.30 1.93 8.66 0.72 124.09 2619.83 1608.43 10:50:04 26.39 0.78 22.05 3.56 27.95 3181.15 6733.56 Average: 18.85 1.35 15.35 2.14 76.02 2900.49 4170.99 10:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:04 10650848 13963940 1996740 12.20 129108 3309568 2630976 15.10 545796 4777268 20856 10:50:04 9032668 13223200 2729644 16.67 165092 4078348 2798632 16.06 768236 6077692 60180 Average: 9841758 13593570 2363192 14.43 147100 3693958 2714804 15.58 657016 5427480 40518 10:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:04 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 10:40:04 ens3 92.39 73.14 632.87 16.51 0.00 0.00 0.00 0.00 10:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:04 lo 1665.73 1665.73 1587.73 1587.73 0.00 0.00 0.00 0.00 10:50:04 ens3 89.76 68.30 401.26 19.02 0.00 0.00 0.00 0.00 10:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 833.32 833.32 793.91 793.91 0.00 0.00 0.00 0.00 Average: ens3 91.08 70.72 517.07 17.77 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-36385) 07/16/26 _x86_64_ (4 CPU) 10:24:21 LINUX RESTART (4 CPU) 10:30:04 CPU %user %nice %system %iowait %steal %idle 10:40:04 all 48.33 0.00 1.60 0.41 0.08 49.58 10:40:04 0 48.15 0.00 1.51 0.03 0.08 50.22 10:40:04 1 48.83 0.00 1.79 1.44 0.08 47.85 10:40:04 2 49.08 0.00 1.49 0.08 0.07 49.28 10:40:04 3 47.27 0.00 1.60 0.08 0.09 50.97 10:50:04 all 68.54 0.00 2.84 0.11 0.10 28.41 10:50:04 0 67.60 0.00 2.86 0.07 0.10 29.37 10:50:04 1 67.31 0.00 2.94 0.11 0.10 29.55 10:50:04 2 69.63 0.00 2.86 0.10 0.10 27.32 10:50:04 3 69.63 0.00 2.72 0.15 0.09 27.40 Average: all 58.43 0.00 2.22 0.26 0.09 39.01 Average: 0 57.87 0.00 2.19 0.05 0.09 39.80 Average: 1 58.06 0.00 2.36 0.78 0.09 38.71 Average: 2 59.35 0.00 2.17 0.09 0.08 38.30 Average: 3 58.43 0.00 2.16 0.11 0.09 39.21