---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30566 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 625 10273 4 5089 15020 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:2a:46:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84833sec preferred_lft 84833sec inet6 fe80::f816:3eff:fe2a:4619/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:56:5d:b1:b3:42 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30566) 06/26/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 19.07 0.32 5.15 13.59 216.05 953.76 239334.52 00:50:18 24.48 0.81 21.60 2.07 30.39 5001.38 26882.17 Average: 21.78 0.57 13.38 7.83 123.24 2977.20 133127.82 00:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 10004488 13243732 2718056 16.60 117676 3273620 2987468 17.15 569392 5451000 21664 00:50:18 10569116 15423248 532172 3.25 140452 4802864 1110276 6.37 961800 4419540 443528 Average: 10286802 14333490 1625114 9.93 129064 4038242 2048872 11.76 765596 4935270 232596 00:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:18 ens3 17.05 12.18 95.68 2.86 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:18 lo 522.69 522.69 497.01 497.01 0.00 0.00 0.00 0.00 00:50:18 ens3 61.02 44.31 529.53 21.52 0.00 0.00 0.00 0.00 00:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 261.61 261.61 248.65 248.65 0.00 0.00 0.00 0.00 Average: ens3 39.03 28.24 312.56 12.19 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30566) 06/26/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:18 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 46.56 0.00 0.73 0.05 0.08 52.58 00:40:18 0 46.05 0.00 0.71 0.08 0.07 53.10 00:40:18 1 54.25 0.00 0.74 0.06 0.08 44.87 00:40:18 2 44.03 0.00 0.81 0.05 0.08 55.03 00:40:18 3 41.90 0.00 0.68 0.03 0.07 57.32 00:50:18 all 54.32 0.00 1.47 0.10 0.09 44.02 00:50:18 0 48.36 0.00 1.35 0.04 0.08 50.17 00:50:18 1 46.62 0.00 1.53 0.07 0.09 51.70 00:50:18 2 78.59 0.00 1.67 0.22 0.11 19.41 00:50:18 3 43.73 0.00 1.33 0.06 0.09 54.79 Average: all 50.43 0.00 1.10 0.08 0.08 48.30 Average: 0 47.20 0.00 1.03 0.06 0.08 51.63 Average: 1 50.44 0.00 1.13 0.07 0.08 48.28 Average: 2 61.29 0.00 1.24 0.13 0.10 37.24 Average: 3 42.82 0.00 1.01 0.04 0.08 56.05