---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17424 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 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 674 10510 4 4805 14972 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:b7:b1:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:feb7:b111/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:56:f7:0e:73:c2 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-17424) 05/21/26 _x86_64_ (4 CPU) 13:59:51 LINUX RESTART (4 CPU) 14:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:03 53.67 11.45 41.09 1.13 1562.52 10769.36 2453.39 14:20:03 16.23 0.78 13.87 1.57 28.11 3157.53 3911.39 Average: 35.01 6.14 27.52 1.35 797.55 6974.55 3180.26 14:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:03 10559488 13724224 2237252 13.66 123020 3180356 2570120 14.75 522100 4921320 29092 14:20:03 9336944 13413312 2539996 15.51 161392 3974744 2719788 15.61 749160 5816360 19216 Average: 9948216 13568768 2388624 14.59 142206 3577550 2644954 15.18 635630 5368840 24154 14:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:03 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 14:10:03 ens3 138.76 102.77 1004.84 21.43 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:03 lo 367.99 367.99 349.82 349.82 0.00 0.00 0.00 0.00 14:20:03 ens3 83.74 63.17 329.45 18.94 0.00 0.00 0.00 0.00 14:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 183.96 183.96 174.45 174.45 0.00 0.00 0.00 0.00 Average: ens3 111.33 83.03 668.13 20.19 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-17424) 05/21/26 _x86_64_ (4 CPU) 13:59:51 LINUX RESTART (4 CPU) 14:00:00 CPU %user %nice %system %iowait %steal %idle 14:10:03 all 38.38 0.00 1.58 0.37 0.08 59.60 14:10:03 0 38.27 0.00 1.75 0.27 0.08 59.63 14:10:03 1 36.74 0.00 1.28 0.45 0.08 61.45 14:10:03 2 39.14 0.00 1.64 0.46 0.08 58.68 14:10:03 3 39.37 0.00 1.64 0.28 0.07 58.64 14:20:03 all 69.75 0.00 2.41 0.22 0.23 27.39 14:20:03 0 66.82 0.00 2.21 0.02 0.32 30.63 14:20:03 1 69.30 0.00 2.82 0.37 0.27 27.24 14:20:03 2 72.84 0.00 2.47 0.14 0.17 24.39 14:20:03 3 70.05 0.00 2.14 0.35 0.15 27.31 Average: all 54.02 0.00 1.99 0.29 0.15 43.55 Average: 0 52.52 0.00 1.98 0.14 0.20 45.15 Average: 1 52.98 0.00 2.05 0.41 0.18 44.39 Average: 2 55.92 0.00 2.05 0.30 0.12 41.61 Average: 3 54.66 0.00 1.89 0.31 0.11 43.03