---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9612 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 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 680 10582 4 4726 14966 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:81:63:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84744sec preferred_lft 84744sec inet6 fe80::f816:3eff:fe81:637a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:6f:f7:59:1e:cf 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-9612) 04/29/26 _x86_64_ (4 CPU) 10:44:30 LINUX RESTART (4 CPU) 10:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:19 12.37 0.43 10.83 1.11 17.03 2624.43 3434.55 11:10:00 28.52 0.80 23.31 4.41 27.00 4031.13 7914.63 Average: 20.20 0.61 16.88 2.71 21.86 3306.69 5607.43 10:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:19 10243216 13732516 2225204 13.59 143812 3450508 2476672 14.22 628656 5093296 21736 11:10:00 10892788 15372212 578872 3.54 173048 4345768 1098760 6.31 894560 4092120 120 Average: 10568002 14552364 1402038 8.56 158430 3898138 1787716 10.26 761608 4592708 10928 10:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:19 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 11:00:19 ens3 68.69 52.85 98.82 17.48 0.00 0.00 0.00 0.00 11:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 1805.47 1805.47 1713.64 1713.64 0.00 0.00 0.00 0.00 11:10:00 ens3 99.67 90.04 420.98 109.73 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 876.39 876.39 831.20 831.20 0.00 0.00 0.00 0.00 Average: ens3 83.71 70.89 255.07 62.23 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-9612) 04/29/26 _x86_64_ (4 CPU) 10:44:30 LINUX RESTART (4 CPU) 10:50:03 CPU %user %nice %system %iowait %steal %idle 11:00:19 all 72.80 0.00 2.26 0.03 0.10 24.81 11:00:19 0 69.50 0.00 2.35 0.02 0.10 28.02 11:00:19 1 74.07 0.00 2.31 0.02 0.10 23.50 11:00:19 2 74.93 0.00 2.38 0.03 0.10 22.56 11:00:19 3 72.72 0.00 1.99 0.03 0.10 25.15 11:10:00 all 54.11 0.00 2.43 0.10 0.09 43.27 11:10:00 0 59.96 0.00 2.63 0.07 0.09 37.25 11:10:00 1 52.49 0.00 2.42 0.06 0.09 44.94 11:10:00 2 53.98 0.00 2.05 0.14 0.08 43.74 11:10:00 3 49.99 0.00 2.61 0.14 0.09 47.17 Average: all 63.74 0.00 2.34 0.06 0.09 33.76 Average: 0 64.87 0.00 2.49 0.05 0.09 32.50 Average: 1 63.60 0.00 2.36 0.04 0.09 33.90 Average: 2 64.77 0.00 2.22 0.09 0.09 32.83 Average: 3 61.70 0.00 2.29 0.09 0.09 35.82