---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31602 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 642 10154 4 5192 15003 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:64:db:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84866sec preferred_lft 84866sec inet6 fe80::f816:3eff:fe64:db22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:92:0b:62:89:1a 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-31602) 06/29/26 _x86_64_ (4 CPU) 10:18:50 LINUX RESTART (4 CPU) 10:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:10 39.06 3.47 20.28 15.31 578.09 4664.25 249109.02 10:40:01 9.48 0.53 8.45 0.51 19.31 1763.78 1417.18 Average: 24.28 2.00 14.37 7.91 298.89 3215.00 125346.91 10:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:10 9373724 12667304 3294612 20.12 126140 3322104 3534936 20.29 641228 6011224 652 10:40:01 9483180 13348672 2609556 15.94 144440 3841596 2823732 16.21 790040 5705528 115152 Average: 9428452 13007988 2952084 18.03 135290 3581850 3179334 18.25 715634 5858376 57902 10:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:10 lo 0.60 0.60 0.12 0.12 0.00 0.00 0.00 0.00 10:30:10 ens3 122.83 92.86 915.18 12.22 0.00 0.00 0.00 0.00 10:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 189.50 189.50 180.38 180.38 0.00 0.00 0.00 0.00 10:40:01 ens3 42.74 32.10 459.60 4.73 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 94.98 94.98 90.18 90.18 0.00 0.00 0.00 0.00 Average: ens3 82.81 62.50 687.55 8.48 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-31602) 06/29/26 _x86_64_ (4 CPU) 10:18:50 LINUX RESTART (4 CPU) 10:20:19 CPU %user %nice %system %iowait %steal %idle 10:30:10 all 51.09 0.00 1.22 0.18 0.09 47.42 10:30:10 0 52.43 0.00 1.22 0.09 0.09 46.16 10:30:10 1 50.23 0.00 1.27 0.31 0.10 48.09 10:30:10 2 49.76 0.00 1.22 0.16 0.09 48.76 10:30:10 3 51.94 0.00 1.16 0.16 0.09 46.65 10:40:01 all 50.47 0.00 0.85 0.05 0.09 48.54 10:40:01 0 37.99 0.00 0.97 0.01 0.07 60.96 10:40:01 1 52.83 0.00 0.94 0.03 0.09 46.12 10:40:01 2 54.26 0.00 0.86 0.13 0.09 44.66 10:40:01 3 56.81 0.00 0.65 0.02 0.09 42.43 Average: all 50.78 0.00 1.04 0.12 0.09 47.98 Average: 0 45.22 0.00 1.09 0.05 0.08 53.56 Average: 1 51.52 0.00 1.11 0.17 0.09 47.11 Average: 2 52.01 0.00 1.04 0.15 0.09 46.71 Average: 3 54.37 0.00 0.90 0.09 0.09 44.54