---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62721 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 629 10468 4 4891 15017 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:f0:67:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:fef0:6755/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:eb:1b:00:42:c6 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-62721) 03/31/26 _x86_64_ (4 CPU) 12:04:09 LINUX RESTART (4 CPU) 12:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:00 17.22 0.08 3.70 13.44 7.28 625.94 239308.85 12:30:01 19.15 0.51 17.22 1.41 18.97 2276.92 11323.14 Average: 18.18 0.30 10.46 7.42 13.13 1451.98 125240.04 12:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:00 9861720 12976736 2985200 18.23 116272 3158756 3186112 18.29 535932 5636260 1116 12:30:01 10075248 13610260 2347872 14.34 136884 3531260 2485616 14.27 709072 5201932 14308 Average: 9968484 13293498 2666536 16.29 126578 3345008 2835864 16.28 622502 5419096 7712 12:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 12:20:00 ens3 10.23 8.40 36.23 2.24 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 482.02 482.02 459.23 459.23 0.00 0.00 0.00 0.00 12:30:01 ens3 39.48 27.28 407.89 3.73 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 241.47 241.47 229.96 229.96 0.00 0.00 0.00 0.00 Average: ens3 24.87 17.85 222.18 2.99 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-62721) 03/31/26 _x86_64_ (4 CPU) 12:04:09 LINUX RESTART (4 CPU) 12:10:00 CPU %user %nice %system %iowait %steal %idle 12:20:00 all 52.55 0.00 0.70 0.03 0.09 46.64 12:20:00 0 44.71 0.00 0.60 0.08 0.09 54.52 12:20:00 1 65.74 0.00 0.71 0.01 0.09 33.45 12:20:00 2 45.82 0.00 0.76 0.01 0.09 53.32 12:20:00 3 53.95 0.00 0.72 0.01 0.09 45.24 12:30:01 all 56.32 0.00 1.27 0.06 0.09 42.26 12:30:01 0 43.91 0.00 1.07 0.10 0.09 54.83 12:30:01 1 63.42 0.00 1.28 0.04 0.09 35.17 12:30:01 2 49.85 0.00 1.16 0.05 0.08 48.86 12:30:01 3 68.16 0.00 1.59 0.04 0.10 30.11 Average: all 54.43 0.00 0.99 0.04 0.09 44.45 Average: 0 44.31 0.00 0.83 0.09 0.09 54.67 Average: 1 64.58 0.00 0.99 0.02 0.09 34.31 Average: 2 47.83 0.00 0.96 0.03 0.09 51.09 Average: 3 61.05 0.00 1.15 0.02 0.09 37.68