---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30921 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: 5600.00 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 681 10356 4 4951 14965 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:0d:57:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84588sec preferred_lft 84588sec inet6 fe80::f816:3eff:fe0d:574e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:ce:81:8f:73:87 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-30921) 06/26/26 _x86_64_ (4 CPU) 22:27:10 LINUX RESTART (4 CPU) 22:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:31 26.16 2.06 10.66 13.44 315.68 2825.28 230603.98 22:50:01 33.76 0.83 29.28 3.65 29.52 3389.15 4107.00 Average: 29.76 1.47 19.49 8.80 179.92 3092.79 123151.13 22:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:31 10370380 13830704 2128736 13.00 133212 3448460 2488492 14.28 620048 5001576 27932 22:50:01 8607312 13193364 2757568 16.84 168608 4456540 3517296 20.19 924124 6363320 303912 Average: 9488846 13512034 2443152 14.92 150910 3952500 3002894 17.24 772086 5682448 165922 22:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:31 lo 0.98 0.98 0.10 0.10 0.00 0.00 0.00 0.00 22:40:31 ens3 97.94 76.85 681.65 17.01 0.00 0.00 0.00 0.00 22:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1757.31 1757.31 1675.47 1675.47 0.00 0.00 0.00 0.00 22:50:01 ens3 102.58 72.86 436.42 19.56 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 834.20 834.20 794.91 794.91 0.00 0.00 0.00 0.00 Average: ens3 100.14 74.96 565.31 18.22 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-30921) 06/26/26 _x86_64_ (4 CPU) 22:27:10 LINUX RESTART (4 CPU) 22:30:00 CPU %user %nice %system %iowait %steal %idle 22:40:31 all 48.38 0.00 1.60 0.09 0.07 49.86 22:40:31 0 48.13 0.00 1.68 0.06 0.06 50.07 22:40:31 1 48.98 0.00 1.66 0.05 0.07 49.24 22:40:31 2 49.47 0.00 1.57 0.12 0.07 48.77 22:40:31 3 46.93 0.00 1.50 0.13 0.07 51.37 22:50:01 all 68.19 0.00 2.79 0.06 0.08 28.87 22:50:01 0 68.53 0.00 2.65 0.05 0.08 28.70 22:50:01 1 68.59 0.00 2.85 0.07 0.08 28.42 22:50:01 2 66.99 0.00 2.66 0.10 0.08 30.16 22:50:01 3 68.67 0.00 2.99 0.04 0.09 28.21 Average: all 57.77 0.00 2.16 0.08 0.08 39.92 Average: 0 57.79 0.00 2.14 0.05 0.07 39.95 Average: 1 58.27 0.00 2.22 0.06 0.08 39.37 Average: 2 57.77 0.00 2.09 0.11 0.08 39.96 Average: 3 57.24 0.00 2.21 0.09 0.08 40.39