---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-787 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 645 8777 4 6566 15001 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:b7:23:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84527sec preferred_lft 84527sec inet6 fe80::f816:3eff:feb7:232f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:9f:08:0a:5c:3b 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-787) 03/17/26 _x86_64_ (4 CPU) 13:37:01 LINUX RESTART (4 CPU) 13:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:01 28.88 1.07 24.69 3.12 44.63 3584.76 6779.28 14:00:01 32.83 0.02 29.43 3.38 0.28 2638.08 26435.40 Average: 30.85 0.55 27.06 3.25 22.48 3111.87 16598.09 13:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 9415040 12978300 2979508 18.20 136000 3550752 3056336 17.54 683180 5878920 22804 14:00:01 8593928 12602284 3351972 20.47 161868 3936628 3340776 19.18 810008 6549360 36736 Average: 9004484 12790292 3165740 19.34 148934 3743690 3198556 18.36 746594 6214140 29770 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:01 lo 1603.18 1603.18 1521.91 1521.91 0.00 0.00 0.00 0.00 13:50:01 ens3 47.43 34.71 160.29 10.21 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 14:00:01 lo 1530.64 1530.64 1458.45 1458.45 0.00 0.00 0.00 0.00 14:00:01 ens3 26.75 21.75 45.41 7.07 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1566.95 1566.95 1490.21 1490.21 0.00 0.00 0.00 0.00 Average: ens3 37.10 28.24 102.90 8.64 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-787) 03/17/26 _x86_64_ (4 CPU) 13:37:01 LINUX RESTART (4 CPU) 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 71.06 0.00 2.44 0.06 0.11 26.33 13:50:01 0 71.03 0.00 2.36 0.03 0.11 26.47 13:50:01 1 72.30 0.00 2.46 0.05 0.11 25.08 13:50:01 2 70.98 0.00 2.39 0.07 0.11 26.45 13:50:01 3 69.94 0.00 2.54 0.10 0.11 27.30 14:00:01 all 65.40 0.00 2.53 0.07 0.11 31.90 14:00:01 0 63.05 0.00 2.45 0.06 0.11 34.34 14:00:01 1 67.39 0.00 2.66 0.04 0.11 29.80 14:00:01 2 66.18 0.00 2.66 0.11 0.10 30.94 14:00:01 3 64.99 0.00 2.35 0.05 0.10 32.51 Average: all 68.24 0.00 2.48 0.06 0.11 29.11 Average: 0 67.04 0.00 2.40 0.05 0.11 30.40 Average: 1 69.85 0.00 2.56 0.05 0.11 27.43 Average: 2 68.59 0.00 2.52 0.09 0.11 28.70 Average: 3 67.47 0.00 2.44 0.08 0.11 29.90