---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-462680 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 8673 4 6670 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:ca:14:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84291sec preferred_lft 84291sec inet6 fe80::f816:3eff:feca:1456/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:13:e7:3a:1b:29 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-462680) 03/13/26 _x86_64_ (4 CPU) 13:41:00 LINUX RESTART (4 CPU) 13:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:23 26.96 0.02 23.82 3.12 0.35 2163.15 7253.07 14:10:43 21.46 0.02 19.49 1.95 0.34 4050.68 29254.67 Average: 24.21 0.02 21.66 2.53 0.34 3106.15 18244.92 13:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:23 9424876 13213180 2742420 16.75 150068 3743260 3092952 17.75 751624 5781348 46436 14:10:43 5654708 10416492 5535336 33.81 162268 4664484 5226384 30.00 1036512 9218564 252 Average: 7539792 11814836 4138878 25.28 156168 4203872 4159668 23.88 894068 7499956 23344 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:23 lo 1445.50 1445.50 1372.92 1372.92 0.00 0.00 0.00 0.00 14:00:23 ens3 39.44 33.27 36.63 11.62 0.00 0.00 0.00 0.00 14:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:43 lo 909.48 909.48 7004.99 7004.99 0.00 0.00 0.00 0.00 14:10:43 ens3 27.96 22.87 24.09 8.01 0.00 0.00 0.00 0.00 14:10:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1177.70 1177.70 4186.67 4186.67 0.00 0.00 0.00 0.00 Average: ens3 33.70 28.07 30.37 9.82 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-462680) 03/13/26 _x86_64_ (4 CPU) 13:41:00 LINUX RESTART (4 CPU) 13:50:01 CPU %user %nice %system %iowait %steal %idle 14:00:23 all 66.85 0.00 2.41 0.06 0.10 30.57 14:00:23 0 65.68 0.00 2.31 0.10 0.09 31.81 14:00:23 1 67.93 0.00 2.56 0.05 0.10 29.35 14:00:23 2 67.61 0.00 2.51 0.05 0.10 29.73 14:00:23 3 66.19 0.00 2.27 0.05 0.10 31.39 14:10:43 all 51.40 0.00 1.78 0.13 0.09 46.60 14:10:43 0 45.94 0.00 2.00 0.11 0.09 51.86 14:10:43 1 51.00 0.00 1.82 0.18 0.09 46.91 14:10:43 2 52.22 0.00 1.77 0.10 0.08 45.82 14:10:43 3 56.44 0.00 1.55 0.11 0.08 41.81 Average: all 59.13 0.00 2.10 0.10 0.09 38.58 Average: 0 55.82 0.00 2.16 0.11 0.09 41.83 Average: 1 59.47 0.00 2.19 0.12 0.09 38.13 Average: 2 59.92 0.00 2.14 0.07 0.09 37.77 Average: 3 61.32 0.00 1.91 0.08 0.09 36.60