---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-117052 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 706 9738 4 5545 14940 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:19:9e:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84606sec preferred_lft 84606sec inet6 fe80::f816:3eff:fe19:9e40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:e7:b7:9d:bb:c7 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-117052) 03/06/26 _x86_64_ (4 CPU) 10:34:45 LINUX RESTART (4 CPU) 10:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:34 45.21 0.16 28.93 16.12 6.36 3811.33 261514.22 11:00:34 28.65 0.04 25.40 3.21 1.59 5969.06 116397.75 Average: 36.99 0.10 27.18 9.71 3.99 4882.40 189480.56 10:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:34 9300844 13014812 2939788 17.96 161576 3640496 3067604 17.61 747740 5878876 15560 11:00:34 6630576 11640200 4308068 26.31 194116 4831408 4418504 25.36 922080 8320540 128760 Average: 7965710 12327506 3623928 22.13 177846 4235952 3743054 21.49 834910 7099708 72160 10:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:34 lo 1434.58 1434.58 1367.08 1367.08 0.00 0.00 0.00 0.00 10:50:34 ens3 56.11 44.76 97.60 14.16 0.00 0.00 0.00 0.00 10:50:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:34 lo 597.27 597.27 568.43 568.43 0.00 0.00 0.00 0.00 11:00:34 ens3 61.62 47.91 229.36 13.21 0.00 0.00 0.00 0.00 11:00:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1018.95 1018.95 970.64 970.64 0.00 0.00 0.00 0.00 Average: ens3 58.84 46.32 163.00 13.69 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-117052) 03/06/26 _x86_64_ (4 CPU) 10:34:45 LINUX RESTART (4 CPU) 10:40:25 CPU %user %nice %system %iowait %steal %idle 10:50:34 all 64.90 0.00 2.43 0.08 0.09 32.51 10:50:34 0 63.52 0.00 2.57 0.04 0.09 33.78 10:50:34 1 66.51 0.00 2.49 0.10 0.09 30.80 10:50:34 2 65.07 0.00 2.37 0.11 0.09 32.37 10:50:34 3 64.49 0.00 2.30 0.04 0.09 33.08 11:00:34 all 61.13 0.00 2.16 0.08 0.09 36.55 11:00:34 0 57.92 0.00 1.87 0.06 0.10 40.06 11:00:34 1 59.48 0.00 1.79 0.11 0.09 38.53 11:00:34 2 63.07 0.00 2.61 0.09 0.09 34.14 11:00:34 3 64.05 0.00 2.35 0.05 0.09 33.45 Average: all 63.02 0.00 2.29 0.08 0.09 34.52 Average: 0 60.73 0.00 2.22 0.05 0.09 36.91 Average: 1 63.02 0.00 2.14 0.10 0.09 34.64 Average: 2 64.07 0.00 2.49 0.10 0.09 33.25 Average: 3 64.27 0.00 2.33 0.05 0.09 33.26