---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5813 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 12G 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 646 9380 4 5962 15000 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:4f:59:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84727sec preferred_lft 84727sec inet6 fe80::f816:3eff:fe4f:5981/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:6a:3d:2a:c6:0d 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-5813) 03/19/26 _x86_64_ (4 CPU) 06:27:18 LINUX RESTART (4 CPU) 06:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:03 23.34 1.04 18.62 3.68 425.65 2940.25 34471.19 06:50:01 23.49 0.16 19.86 3.48 4.66 1729.24 27264.08 Average: 23.42 0.60 19.24 3.58 215.38 2335.37 30871.36 06:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:03 9517464 13127156 2831500 17.29 129712 3602392 3133228 17.98 799868 5657124 896 06:50:01 9017948 12982816 2972544 18.16 148208 3915280 3279464 18.82 927828 6016688 24792 Average: 9267706 13054986 2902022 17.72 138960 3758836 3206346 18.40 863848 5836906 12844 06:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:03 lo 31.09 31.09 7.25 7.25 0.00 0.00 0.00 0.00 06:40:03 ens3 46.46 28.61 172.56 5.53 0.00 0.00 0.00 0.00 06:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1509.56 1509.56 1415.48 1415.48 0.00 0.00 0.00 0.00 06:50:01 ens3 39.28 27.89 264.20 5.34 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 769.56 769.56 710.64 710.64 0.00 0.00 0.00 0.00 Average: ens3 42.88 28.25 218.33 5.43 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-5813) 03/19/26 _x86_64_ (4 CPU) 06:27:18 LINUX RESTART (4 CPU) 06:30:03 CPU %user %nice %system %iowait %steal %idle 06:40:03 all 33.77 0.00 1.23 0.48 0.10 64.42 06:40:03 0 34.42 0.00 1.53 1.20 0.10 62.75 06:40:03 1 32.34 0.00 1.10 0.22 0.10 66.24 06:40:03 2 33.91 0.00 1.23 0.31 0.10 64.46 06:40:03 3 34.42 0.00 1.07 0.19 0.09 64.23 06:50:01 all 36.23 0.00 1.87 0.11 0.10 61.69 06:50:01 0 36.25 0.00 1.77 0.07 0.10 61.82 06:50:01 1 35.60 0.00 1.73 0.21 0.10 62.36 06:50:01 2 36.08 0.00 2.01 0.08 0.10 61.72 06:50:01 3 37.01 0.00 1.96 0.08 0.10 60.85 Average: all 35.00 0.00 1.55 0.29 0.10 63.06 Average: 0 35.33 0.00 1.65 0.63 0.10 62.29 Average: 1 33.97 0.00 1.41 0.21 0.10 64.30 Average: 2 34.99 0.00 1.62 0.20 0.10 63.09 Average: 3 35.71 0.00 1.51 0.13 0.10 62.54