---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-124957 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: 5600.00 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 68G 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 648 10678 4 4661 14997 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:09:4a:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85030sec preferred_lft 85030sec inet6 fe80::f816:3eff:fe09:4ad3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:48:3b:af:9c:d0 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-124957) 03/06/26 _x86_64_ (4 CPU) 13:18:41 LINUX RESTART (4 CPU) 13:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:23 13.31 2.57 10.48 0.26 143.70 3083.54 140.87 13:40:01 33.01 0.55 17.34 15.12 20.25 2353.38 256531.03 Average: 22.92 1.58 13.83 7.51 83.46 2727.25 125249.39 13:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:23 9037216 11930840 4032816 24.63 111744 2950160 4188872 24.04 480752 6513200 696 13:40:01 10263072 13619200 2340136 14.29 132288 3361764 2491628 14.30 662912 5050856 10364 Average: 9650144 12775020 3186476 19.46 122016 3155962 3340250 19.17 571832 5782028 5530 13:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:23 lo 0.76 0.76 0.39 0.39 0.00 0.00 0.00 0.00 13:30:23 ens3 59.96 49.29 684.99 7.68 0.00 0.00 0.00 0.00 13:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 501.61 501.61 477.73 477.73 0.00 0.00 0.00 0.00 13:40:01 ens3 43.48 30.46 425.16 4.12 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 245.16 245.16 233.31 233.31 0.00 0.00 0.00 0.00 Average: ens3 51.92 40.10 558.21 5.94 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-124957) 03/06/26 _x86_64_ (4 CPU) 13:18:41 LINUX RESTART (4 CPU) 13:20:16 CPU %user %nice %system %iowait %steal %idle 13:30:23 all 50.99 0.00 0.93 0.05 0.08 47.95 13:30:23 0 50.62 0.00 0.76 0.02 0.07 48.53 13:30:23 1 46.94 0.00 0.76 0.04 0.08 52.19 13:30:23 2 52.84 0.00 1.07 0.05 0.08 45.96 13:30:23 3 53.59 0.00 1.15 0.08 0.08 45.10 13:40:01 all 58.20 0.00 1.34 0.10 0.09 40.27 13:40:01 0 48.80 0.00 1.33 0.18 0.09 49.60 13:40:01 1 50.93 0.00 1.25 0.06 0.08 47.68 13:40:01 2 77.87 0.00 1.47 0.13 0.09 20.43 13:40:01 3 55.23 0.00 1.33 0.05 0.08 43.32 Average: all 54.51 0.00 1.13 0.08 0.08 44.20 Average: 0 49.73 0.00 1.04 0.10 0.08 49.05 Average: 1 48.88 0.00 1.00 0.05 0.08 49.99 Average: 2 65.04 0.00 1.26 0.09 0.09 33.53 Average: 3 54.39 0.00 1.24 0.07 0.08 44.23