---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12971 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: 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 648 10526 4 4813 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:60:0f:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84879sec preferred_lft 84879sec inet6 fe80::f816:3eff:fe60:f77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:37:3b:a0:31:a2 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-12971) 05/12/26 _x86_64_ (4 CPU) 12:57:19 LINUX RESTART (4 CPU) 13:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:04 7.74 1.35 6.17 0.22 73.88 1803.59 152.08 13:20:01 17.78 0.52 15.90 1.36 19.07 2292.72 4420.20 Average: 12.75 0.94 11.03 0.78 46.54 2047.56 2280.93 13:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:04 9466308 12441052 3522736 21.52 111980 3028824 3655508 20.98 487248 6064128 188 13:20:01 9910272 13449616 2509996 15.33 132652 3539472 2756268 15.82 679788 5416780 98688 Average: 9688290 12945334 3016366 18.42 122316 3284148 3205888 18.40 583518 5740454 49438 13:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:04 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 13:10:04 ens3 23.56 19.47 159.04 4.72 0.00 0.00 0.00 0.00 13:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 444.80 444.80 423.89 423.89 0.00 0.00 0.00 0.00 13:20:01 ens3 51.97 32.69 438.72 5.24 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 222.18 222.18 211.62 211.62 0.00 0.00 0.00 0.00 Average: ens3 37.73 26.07 298.54 4.98 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-12971) 05/12/26 _x86_64_ (4 CPU) 12:57:19 LINUX RESTART (4 CPU) 13:00:04 CPU %user %nice %system %iowait %steal %idle 13:10:04 all 50.89 0.00 0.78 0.19 0.08 48.06 13:10:04 0 58.70 0.00 0.90 0.19 0.09 40.12 13:10:04 1 42.20 0.00 0.70 0.21 0.08 56.81 13:10:04 2 53.23 0.00 0.74 0.23 0.08 45.72 13:10:04 3 49.41 0.00 0.77 0.13 0.08 49.61 13:20:01 all 57.71 0.00 1.26 0.22 0.10 40.71 13:20:01 0 55.80 0.00 1.39 0.44 0.10 42.26 13:20:01 1 50.17 0.00 1.26 0.15 0.09 48.32 13:20:01 2 52.53 0.00 1.20 0.17 0.09 46.02 13:20:01 3 72.36 0.00 1.19 0.13 0.10 26.22 Average: all 54.29 0.00 1.02 0.21 0.09 44.40 Average: 0 57.26 0.00 1.15 0.31 0.09 41.19 Average: 1 46.18 0.00 0.98 0.18 0.09 52.57 Average: 2 52.88 0.00 0.97 0.20 0.09 45.87 Average: 3 60.85 0.00 0.98 0.13 0.09 37.95