---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9938 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 12G 67G 15% / 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 664 9339 4 5985 14982 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:e9:7a:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84768sec preferred_lft 84768sec inet6 fe80::f816:3eff:fee9:7a09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:d0:b7:50:7a:06 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-9938) 04/30/26 _x86_64_ (4 CPU) 14:08:39 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:21 40.66 3.52 33.44 3.70 371.97 5346.90 61951.44 14:30:01 21.02 0.16 17.68 3.18 4.82 1444.79 27197.42 Average: 31.17 1.90 25.83 3.45 194.66 3462.50 45168.04 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:21 9512384 13141076 2817148 17.21 129364 3620860 3151100 18.09 752076 5725484 564 14:30:01 9306280 13230120 2725396 16.65 146656 3878820 2907956 16.69 865484 5786472 25676 Average: 9409332 13185598 2771272 16.93 138010 3749840 3029528 17.39 808780 5755978 13120 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:21 lo 22.36 22.36 5.06 5.06 0.00 0.00 0.00 0.00 14:20:21 ens3 73.72 56.86 814.50 9.99 0.00 0.00 0.00 0.00 14:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1361.36 1361.36 1267.35 1267.35 0.00 0.00 0.00 0.00 14:30:01 ens3 29.95 22.76 270.99 4.15 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 668.99 668.99 614.65 614.65 0.00 0.00 0.00 0.00 Average: ens3 52.59 40.39 552.03 7.17 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-9938) 04/30/26 _x86_64_ (4 CPU) 14:08:39 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:21 all 39.11 0.00 1.59 1.13 0.09 58.07 14:20:21 0 38.42 0.00 1.56 0.48 0.09 59.44 14:20:21 1 39.97 0.00 1.47 0.33 0.09 58.14 14:20:21 2 38.95 0.00 1.56 0.75 0.09 58.65 14:20:21 3 39.09 0.00 1.79 2.97 0.09 56.06 14:30:01 all 25.80 0.00 1.45 0.10 0.09 72.56 14:30:01 0 25.34 0.00 1.42 0.06 0.09 73.08 14:30:01 1 25.97 0.00 1.37 0.12 0.09 72.44 14:30:01 2 26.36 0.00 1.62 0.08 0.09 71.85 14:30:01 3 25.52 0.00 1.37 0.16 0.08 72.87 Average: all 32.69 0.00 1.52 0.64 0.09 65.06 Average: 0 32.11 0.00 1.49 0.28 0.09 66.02 Average: 1 33.22 0.00 1.42 0.23 0.09 65.04 Average: 2 32.88 0.00 1.59 0.43 0.09 65.02 Average: 3 32.55 0.00 1.59 1.61 0.09 64.17