---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1565 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 651 9877 4 5460 14994 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:af:38:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:feaf:3847/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:b5:c4:9d:c9:85 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1565) 03/18/26 _x86_64_ (4 CPU) 09:15:28 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:12 51.43 0.33 42.83 8.27 207.84 2376.70 164853.72 09:40:21 23.56 0.16 19.88 3.52 4.83 1843.76 22764.01 Average: 37.52 0.24 31.37 5.90 106.50 2110.65 93920.04 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:12 9568324 13088020 2870848 17.53 156456 3491340 3103040 17.81 746032 5675920 92 09:40:21 9207096 13139312 2816060 17.20 173760 3856956 2900300 16.65 873864 5872224 22224 Average: 9387710 13113666 2843454 17.37 165108 3674148 3001670 17.23 809948 5774072 11158 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:12 lo 28.54 28.54 6.70 6.70 0.00 0.00 0.00 0.00 09:30:12 ens3 28.91 20.76 153.69 5.49 0.00 0.00 0.00 0.00 09:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:21 lo 1415.78 1415.78 1325.49 1325.49 0.00 0.00 0.00 0.00 09:40:21 ens3 51.24 36.16 273.80 9.15 0.00 0.00 0.00 0.00 09:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 721.07 721.07 665.06 665.06 0.00 0.00 0.00 0.00 Average: ens3 40.06 28.45 213.65 7.32 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1565) 03/18/26 _x86_64_ (4 CPU) 09:15:28 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:12 all 30.19 0.00 1.23 0.41 0.09 68.07 09:30:12 0 30.56 0.00 1.03 0.23 0.08 68.10 09:30:12 1 30.66 0.00 1.44 0.45 0.09 67.37 09:30:12 2 30.27 0.00 1.20 0.23 0.09 68.21 09:30:12 3 29.29 0.00 1.27 0.74 0.09 68.60 09:40:21 all 33.70 0.00 1.74 0.06 0.10 64.41 09:40:21 0 32.40 0.00 1.54 0.02 0.10 65.94 09:40:21 1 34.77 0.00 1.48 0.10 0.10 63.55 09:40:21 2 34.12 0.00 1.86 0.06 0.10 63.86 09:40:21 3 33.49 0.00 2.07 0.07 0.10 64.27 Average: all 31.94 0.00 1.49 0.24 0.09 66.24 Average: 0 31.48 0.00 1.29 0.13 0.09 67.02 Average: 1 32.71 0.00 1.46 0.27 0.09 65.47 Average: 2 32.19 0.00 1.53 0.14 0.09 66.04 Average: 3 31.39 0.00 1.67 0.41 0.09 66.44