---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34798 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 9.9G 68G 13% / 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 665 11052 4 4271 14981 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:f2:37:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84895sec preferred_lft 84895sec inet6 fe80::f816:3eff:fef2:3732/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:bd:b2:bc:b9:02 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-34798) 07/11/26 _x86_64_ (4 CPU) 10:45:31 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:33 3.80 0.10 3.52 0.17 8.48 525.26 29.05 11:10:15 23.99 0.77 20.86 2.37 32.55 4311.69 8481.39 Average: 13.48 0.42 11.84 1.22 20.03 2341.78 4084.02 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:33 8750152 11830256 4133376 25.24 110008 3131668 4336324 24.89 487436 6790124 24 11:10:15 11339056 15357488 601092 3.67 132572 4008648 1113576 6.39 698064 3920680 29176 Average: 10044604 13593872 2367234 14.46 121290 3570158 2724950 15.64 592750 5355402 14600 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:33 lo 0.59 0.59 0.36 0.36 0.00 0.00 0.00 0.00 11:00:33 ens3 14.00 11.74 36.61 3.55 0.00 0.00 0.00 0.00 11:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:15 lo 490.68 490.68 467.53 467.53 0.00 0.00 0.00 0.00 11:10:15 ens3 86.98 62.79 595.98 17.01 0.00 0.00 0.00 0.00 11:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 235.71 235.71 224.48 224.48 0.00 0.00 0.00 0.00 Average: ens3 49.01 36.23 304.97 10.01 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-34798) 07/11/26 _x86_64_ (4 CPU) 10:45:31 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:33 all 46.76 0.00 0.66 0.02 0.07 52.50 11:00:33 0 38.79 0.00 0.49 0.03 0.07 60.62 11:00:33 1 50.73 0.00 0.79 0.01 0.07 48.40 11:00:33 2 36.36 0.00 0.62 0.02 0.07 62.93 11:00:33 3 61.16 0.00 0.73 0.01 0.07 38.03 11:10:15 all 48.85 0.00 1.50 0.11 0.08 49.47 11:10:15 0 45.61 0.00 1.39 0.26 0.08 52.65 11:10:15 1 42.15 0.00 1.53 0.05 0.07 56.20 11:10:15 2 44.34 0.00 1.71 0.07 0.08 53.80 11:10:15 3 63.30 0.00 1.35 0.05 0.08 35.22 Average: all 47.76 0.00 1.06 0.06 0.07 51.05 Average: 0 42.06 0.00 0.92 0.14 0.07 56.81 Average: 1 46.62 0.00 1.14 0.03 0.07 52.14 Average: 2 40.18 0.00 1.14 0.04 0.07 58.56 Average: 3 62.19 0.00 1.03 0.03 0.07 36.68