---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488722 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 14% / 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 652 10496 4 4840 14994 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:7c:78:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84633sec preferred_lft 84633sec inet6 fe80::f816:3eff:fe7c:78e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:55:be:a8:7e:0c 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-488722) 03/16/26 _x86_64_ (4 CPU) 09:33:24 LINUX RESTART (4 CPU) 09:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 3.48 0.07 3.26 0.15 7.21 521.08 86.94 10:00:07 12.79 0.51 11.44 0.85 18.81 1866.68 2470.60 Average: 8.19 0.29 7.40 0.50 13.08 1202.09 1293.32 09:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 8595448 11616784 4345600 26.54 114112 3071836 4487540 25.76 498508 6941656 512 10:00:07 8949864 12692176 3266020 19.95 136872 3730832 3429352 19.68 711556 6328096 278580 Average: 8772656 12154480 3805810 23.24 125492 3401334 3958446 22.72 605032 6634876 139546 09:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 09:50:01 ens3 9.45 7.09 35.40 2.01 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:07 lo 300.54 300.54 286.34 286.34 0.00 0.00 0.00 0.00 10:00:07 ens3 37.73 26.33 405.89 3.62 0.00 0.00 0.00 0.00 10:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 152.40 152.40 145.11 145.11 0.00 0.00 0.00 0.00 Average: ens3 23.76 16.83 222.91 2.83 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-488722) 03/16/26 _x86_64_ (4 CPU) 09:33:24 LINUX RESTART (4 CPU) 09:40:11 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 47.51 0.00 0.71 0.02 0.08 51.67 09:50:01 0 40.95 0.00 0.69 0.03 0.07 58.26 09:50:01 1 66.85 0.00 0.82 0.01 0.10 32.22 09:50:01 2 40.80 0.00 0.66 0.01 0.08 58.46 09:50:01 3 41.49 0.00 0.67 0.05 0.07 57.72 10:00:07 all 58.30 0.00 1.09 0.03 0.13 40.45 10:00:07 0 48.73 0.00 0.89 0.03 0.19 50.15 10:00:07 1 53.64 0.00 1.00 0.03 0.09 45.24 10:00:07 2 44.96 0.00 1.37 0.05 0.12 53.49 10:00:07 3 85.86 0.00 1.09 0.01 0.12 12.91 Average: all 52.97 0.00 0.90 0.03 0.11 46.00 Average: 0 44.89 0.00 0.79 0.03 0.13 54.15 Average: 1 60.17 0.00 0.91 0.02 0.10 38.81 Average: 2 42.90 0.00 1.02 0.03 0.10 55.95 Average: 3 63.93 0.00 0.88 0.03 0.10 35.06