---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26771 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 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 621 10696 4 4671 15025 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:d8:b9:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84720sec preferred_lft 84720sec inet6 fe80::f816:3eff:fed8:b91e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:6b:ce:6a:a1:85 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-26771) 03/04/26 _x86_64_ (4 CPU) 09:56:53 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:06 7.93 1.34 6.38 0.20 73.08 1839.54 503.36 10:20:05 6.07 0.37 5.44 0.27 11.41 655.88 265.94 Average: 7.00 0.86 5.91 0.24 42.40 1250.79 385.26 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:06 8994036 11883864 4080084 24.92 112704 2945184 4292128 24.64 494132 6545404 236 10:20:05 9456492 12995328 2964984 18.11 129640 3540848 3132828 17.98 585944 5936944 467256 Average: 9225264 12439596 3522534 21.51 121172 3243016 3712478 21.31 540038 6241174 233746 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:06 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 10:10:06 ens3 19.91 16.91 156.94 3.36 0.00 0.00 0.00 0.00 10:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 98.55 98.55 93.64 93.64 0.00 0.00 0.00 0.00 10:20:05 ens3 32.51 24.01 379.35 3.51 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.34 49.34 46.77 46.77 0.00 0.00 0.00 0.00 Average: ens3 26.18 20.44 267.56 3.43 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-26771) 03/04/26 _x86_64_ (4 CPU) 09:56:53 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:06 all 50.50 0.00 0.86 0.08 0.10 48.46 10:10:06 0 55.70 0.00 0.93 0.05 0.10 43.22 10:10:06 1 49.29 0.00 0.80 0.08 0.10 49.73 10:10:06 2 47.84 0.00 0.81 0.02 0.09 51.24 10:10:06 3 49.18 0.00 0.91 0.15 0.10 49.66 10:20:05 all 50.50 0.00 0.76 0.09 0.09 48.56 10:20:05 0 73.44 0.00 0.96 0.19 0.12 25.29 10:20:05 1 44.34 0.00 0.54 0.01 0.09 55.02 10:20:05 2 39.30 0.00 0.74 0.04 0.08 59.85 10:20:05 3 44.93 0.00 0.79 0.11 0.09 54.07 Average: all 50.50 0.00 0.81 0.08 0.10 48.51 Average: 0 64.53 0.00 0.95 0.12 0.11 34.30 Average: 1 46.82 0.00 0.67 0.05 0.09 52.37 Average: 2 43.59 0.00 0.78 0.03 0.09 55.52 Average: 3 47.07 0.00 0.85 0.13 0.09 51.86