---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33787 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 682 10290 4 5016 14964 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:da:a4:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:feda:a453/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:50:44:97:6c:0d 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-33787) 07/07/26 _x86_64_ (4 CPU) 18:58:40 LINUX RESTART (4 CPU) 19:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:15 35.79 3.07 17.71 15.01 369.38 4671.26 240906.15 19:20:01 31.14 0.82 26.96 3.37 28.04 3497.25 3991.22 Average: 33.50 1.96 22.28 9.26 200.84 4091.55 123921.74 19:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:15 10714144 14164788 1794560 10.96 131156 3443180 2111620 12.12 619688 4647860 18940 19:20:01 8727616 13086988 2864336 17.49 170888 4231576 3625836 20.81 861468 6300168 11656 Average: 9720880 13625888 2329448 14.23 151022 3837378 2868728 16.47 740578 5474014 15298 19:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:15 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 19:10:15 ens3 106.18 82.40 777.59 19.87 0.00 0.00 0.00 0.00 19:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 lo 1466.75 1466.75 1398.06 1398.06 0.00 0.00 0.00 0.00 19:20:01 ens3 88.92 68.99 410.66 18.29 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 724.88 724.88 690.40 690.40 0.00 0.00 0.00 0.00 Average: ens3 97.65 75.78 596.41 19.09 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-33787) 07/07/26 _x86_64_ (4 CPU) 18:58:40 LINUX RESTART (4 CPU) 19:00:14 CPU %user %nice %system %iowait %steal %idle 19:10:15 all 59.49 0.00 2.16 0.13 0.15 38.07 19:10:15 0 61.18 0.00 2.45 0.27 0.15 35.95 19:10:15 1 58.24 0.00 2.24 0.06 0.15 39.32 19:10:15 2 60.74 0.00 2.12 0.16 0.15 36.84 19:10:15 3 57.82 0.00 1.84 0.05 0.14 40.16 19:20:01 all 69.96 0.00 2.85 0.15 0.15 26.88 19:20:01 0 69.44 0.00 2.72 0.25 0.15 27.43 19:20:01 1 69.70 0.00 2.53 0.05 0.15 27.57 19:20:01 2 69.31 0.00 3.04 0.09 0.15 27.41 19:20:01 3 71.40 0.00 3.12 0.21 0.15 25.13 Average: all 64.66 0.00 2.50 0.14 0.15 32.55 Average: 0 65.26 0.00 2.59 0.26 0.15 31.75 Average: 1 63.90 0.00 2.38 0.06 0.15 33.52 Average: 2 64.97 0.00 2.57 0.13 0.15 32.19 Average: 3 64.52 0.00 2.47 0.13 0.14 32.74