---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31868 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 15% / 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 659 9939 4 5390 14986 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:d4:da:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84379sec preferred_lft 84379sec inet6 fe80::f816:3eff:fed4:da7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:82:f6:52:b2:e5 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-31868) 06/30/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:20 43.33 0.03 36.86 6.44 0.65 1504.23 129661.38 18:50:01 31.87 0.19 27.30 4.38 5.99 5642.48 28911.63 Average: 37.69 0.11 32.16 5.42 3.28 3540.15 80094.94 18:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:20 9541424 12984948 2974544 18.17 156272 3411516 3191960 18.32 676704 5755668 84 18:50:01 7318180 12455188 3495404 21.35 184912 4989668 3564324 20.46 1240720 7331824 204624 Average: 8429802 12720068 3234974 19.76 170592 4200592 3378142 19.39 958712 6543746 102354 18:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:20 lo 46.21 46.21 10.88 10.88 0.00 0.00 0.00 0.00 18:40:20 ens3 11.46 9.73 10.59 3.24 0.00 0.00 0.00 0.00 18:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1961.50 1961.50 1855.93 1855.93 0.00 0.00 0.00 0.00 18:50:01 ens3 77.00 57.85 491.97 13.66 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 988.49 988.49 918.60 918.60 0.00 0.00 0.00 0.00 Average: ens3 43.71 33.40 247.42 8.37 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-31868) 06/30/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:20 CPU %user %nice %system %iowait %steal %idle 18:40:20 all 21.95 0.00 0.98 0.22 0.09 76.75 18:40:20 0 21.40 0.00 0.94 0.07 0.09 77.50 18:40:20 1 22.11 0.00 1.03 0.47 0.09 76.29 18:40:20 2 21.59 0.00 1.05 0.24 0.09 77.04 18:40:20 3 22.72 0.00 0.90 0.11 0.09 76.19 18:50:01 all 46.62 0.00 2.35 0.09 0.10 50.84 18:50:01 0 46.91 0.00 2.08 0.15 0.10 50.76 18:50:01 1 47.30 0.00 2.34 0.07 0.09 50.20 18:50:01 2 45.39 0.00 2.57 0.05 0.09 51.90 18:50:01 3 46.86 0.00 2.42 0.11 0.10 50.52 Average: all 34.08 0.00 1.65 0.16 0.09 64.01 Average: 0 33.93 0.00 1.50 0.11 0.09 64.36 Average: 1 34.51 0.00 1.67 0.27 0.09 63.45 Average: 2 33.29 0.00 1.79 0.14 0.09 64.68 Average: 3 34.59 0.00 1.65 0.11 0.09 63.56