---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-342144 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 13G 66G 16% / 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 654 8538 4 6796 14992 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:a2:42:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84521sec preferred_lft 84521sec inet6 fe80::f816:3eff:fea2:4299/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:f8:30:df:51:44 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-342144) 03/09/26 _x86_64_ (4 CPU) 13:32:03 LINUX RESTART (4 CPU) 13:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:01 38.90 0.02 21.90 16.98 0.39 2191.83 265553.55 14:00:08 20.75 0.03 18.84 1.88 0.73 3981.58 36799.60 Average: 29.56 0.03 20.33 9.21 0.56 3112.66 147859.24 13:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 8828548 12774352 3181572 19.43 150268 3887460 3171320 18.20 918944 6191372 29012 14:00:08 5190296 10075316 5876664 35.89 161628 4777760 5614928 32.23 1196220 9501696 328 Average: 7009422 11424834 4529118 27.66 155948 4332610 4393124 25.22 1057582 7846534 14670 13:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:01 lo 1263.29 1263.29 1203.52 1203.52 0.00 0.00 0.00 0.00 13:50:01 ens3 24.85 22.11 36.75 7.17 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:08 lo 905.08 905.08 7285.96 7285.96 0.00 0.00 0.00 0.00 14:00:08 ens3 18.63 14.07 17.63 4.51 0.00 0.00 0.00 0.00 14:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1078.99 1078.99 4332.95 4332.95 0.00 0.00 0.00 0.00 Average: ens3 21.65 17.97 26.91 5.80 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-342144) 03/09/26 _x86_64_ (4 CPU) 13:32:03 LINUX RESTART (4 CPU) 13:40:29 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 67.42 0.00 2.32 0.06 0.10 30.09 13:50:01 0 68.26 0.00 2.14 0.09 0.09 29.42 13:50:01 1 68.16 0.00 2.26 0.03 0.10 29.44 13:50:01 2 67.77 0.00 2.68 0.05 0.10 29.40 13:50:01 3 65.50 0.00 2.21 0.08 0.10 32.12 14:00:08 all 48.70 0.00 1.72 0.09 0.10 49.40 14:00:08 0 48.18 0.00 1.91 0.03 0.10 49.78 14:00:08 1 40.76 0.00 1.73 0.11 0.10 57.30 14:00:08 2 52.99 0.00 1.64 0.12 0.10 45.14 14:00:08 3 52.85 0.00 1.58 0.08 0.10 45.39 Average: all 57.78 0.00 2.01 0.08 0.10 40.03 Average: 0 57.93 0.00 2.02 0.06 0.10 39.89 Average: 1 54.06 0.00 1.99 0.07 0.10 43.78 Average: 2 60.16 0.00 2.15 0.09 0.10 37.50 Average: 3 58.98 0.00 1.88 0.08 0.10 38.96