---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33791 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 685 10452 4 4850 14961 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:d4:77:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84692sec preferred_lft 84692sec inet6 fe80::f816:3eff:fed4:77ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:e1:c8:5b:70:d5 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-33791) 07/07/26 _x86_64_ (4 CPU) 19:26:21 LINUX RESTART (4 CPU) 19:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:10 14.36 2.07 11.26 1.02 132.74 3100.38 2569.04 19:50:11 41.35 0.78 22.93 17.64 24.20 4177.91 248526.10 Average: 27.86 1.43 17.10 9.33 78.45 3639.32 125587.51 19:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:10 10118828 13578056 2380780 14.54 138492 3433120 2671444 15.33 590656 5254332 32548 19:50:11 10885836 15462860 488632 2.98 170380 4437620 1027484 5.90 896256 4093568 86008 Average: 10502332 14520458 1434706 8.76 154436 3935370 1849464 10.62 743456 4673950 59278 19:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:10 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 19:40:10 ens3 112.13 87.58 614.23 21.20 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:11 lo 1593.38 1593.38 1519.08 1519.08 0.00 0.00 0.00 0.00 19:50:11 ens3 81.32 59.67 403.24 16.20 0.00 0.00 0.00 0.00 19:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.61 797.61 759.85 759.85 0.00 0.00 0.00 0.00 Average: ens3 96.72 73.62 508.70 18.70 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-33791) 07/07/26 _x86_64_ (4 CPU) 19:26:21 LINUX RESTART (4 CPU) 19:30:10 CPU %user %nice %system %iowait %steal %idle 19:40:10 all 68.22 0.00 2.23 0.05 0.12 29.38 19:40:10 0 69.51 0.00 2.26 0.05 0.12 28.06 19:40:10 1 67.06 0.00 2.33 0.07 0.12 30.43 19:40:10 2 67.43 0.00 2.19 0.03 0.11 30.24 19:40:10 3 68.89 0.00 2.14 0.06 0.12 28.80 19:50:11 all 61.36 0.00 2.54 0.08 0.11 35.92 19:50:11 0 58.78 0.00 2.24 0.06 0.12 38.80 19:50:11 1 61.73 0.00 2.58 0.06 0.12 35.50 19:50:11 2 62.88 0.00 2.72 0.11 0.11 34.17 19:50:11 3 62.04 0.00 2.61 0.06 0.11 35.18 Average: all 64.79 0.00 2.38 0.06 0.12 32.65 Average: 0 64.14 0.00 2.25 0.06 0.12 33.44 Average: 1 64.39 0.00 2.46 0.06 0.12 32.97 Average: 2 65.16 0.00 2.46 0.07 0.11 32.20 Average: 3 65.46 0.00 2.38 0.06 0.11 31.99