---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1285 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 9.8G 68G 13% / 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 640 11191 4 4158 15006 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:c0:6d:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84553sec preferred_lft 84553sec inet6 fe80::f816:3eff:fec0:6d74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:db:f0:a6:64:fc 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-1285) 08/01/26 _x86_64_ (4 CPU) 22:19:24 LINUX RESTART (4 CPU) 22:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:13 34.90 1.86 32.43 0.61 118.19 2474.88 792.74 22:40:12 10.05 1.92 7.68 0.44 124.17 2216.96 1034.36 Average: 22.49 1.89 20.08 0.52 121.17 2346.12 913.36 22:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:13 13037312 15506168 468536 2.86 98400 2559412 991328 5.69 339344 2677848 16 22:40:12 10415576 13597760 2363540 14.44 125384 3192300 2627476 15.08 526824 5054024 25044 Average: 11726444 14551964 1416038 8.65 111892 2875856 1809402 10.39 433084 3865936 12530 22:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:13 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 22:30:13 ens3 32.86 26.08 377.43 4.26 0.00 0.00 0.00 0.00 22:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:12 lo 0.65 0.65 0.06 0.06 0.00 0.00 0.00 0.00 22:40:12 ens3 79.85 62.41 684.39 12.29 0.00 0.00 0.00 0.00 22:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 56.32 44.22 530.67 8.27 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-1285) 08/01/26 _x86_64_ (4 CPU) 22:19:24 LINUX RESTART (4 CPU) 22:20:11 CPU %user %nice %system %iowait %steal %idle 22:30:13 all 2.43 0.00 0.32 0.25 0.03 96.97 22:30:13 0 3.72 0.00 0.31 0.25 0.03 95.68 22:30:13 1 2.99 0.00 0.44 0.42 0.02 96.13 22:30:13 2 0.85 0.00 0.21 0.02 0.02 98.89 22:30:13 3 2.17 0.00 0.31 0.30 0.02 97.19 22:40:12 all 34.80 0.00 1.09 0.04 0.06 64.02 22:40:12 0 35.50 0.00 1.00 0.03 0.05 63.42 22:40:12 1 34.69 0.00 0.91 0.06 0.06 64.29 22:40:12 2 35.43 0.00 1.21 0.02 0.06 63.28 22:40:12 3 33.56 0.00 1.24 0.05 0.06 65.09 Average: all 18.58 0.00 0.70 0.14 0.04 80.53 Average: 0 19.58 0.00 0.65 0.14 0.04 79.58 Average: 1 18.80 0.00 0.67 0.24 0.04 80.24 Average: 2 18.12 0.00 0.71 0.02 0.04 81.11 Average: 3 17.83 0.00 0.78 0.18 0.04 81.18