---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9924 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 66G 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 686 9307 4 5994 14960 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:b3:d7:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84573sec preferred_lft 84573sec inet6 fe80::f816:3eff:feb3:d7f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:10:f4:7c:f2:79 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-9924) 04/30/26 _x86_64_ (4 CPU) 11:49:53 LINUX RESTART (4 CPU) 11:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:07 67.44 11.61 52.23 3.59 1526.22 13611.62 49503.66 12:10:07 8.47 0.19 7.14 1.15 204.69 850.01 20414.03 12:20:07 36.94 0.37 31.40 5.17 16.33 8077.33 19118.99 Average: 37.73 4.08 30.34 3.31 585.92 7535.64 29752.52 11:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:07 9415244 12840096 3118980 19.05 125164 3430808 3373088 19.36 678896 5898272 5928 12:10:07 9118980 12821992 3134776 19.15 135516 3682332 3331200 19.12 771464 6068864 216 12:20:07 9576860 15357632 589564 3.60 171316 5630316 1071568 6.15 1652060 4632344 27328 Average: 9370361 13673240 2281107 13.93 143999 4247819 2591952 14.88 1034140 5533160 11157 11:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:07 lo 16.03 16.03 3.50 3.50 0.00 0.00 0.00 0.00 12:00:07 ens3 115.91 87.24 1052.93 16.68 0.00 0.00 0.00 0.00 12:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:07 lo 69.59 69.59 25.13 25.13 0.00 0.00 0.00 0.00 12:10:07 ens3 7.33 5.32 62.81 1.19 0.00 0.00 0.00 0.00 12:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:07 lo 2566.71 2566.71 2471.23 2471.23 0.00 0.00 0.00 0.00 12:20:07 ens3 69.36 55.86 467.19 46.12 0.00 0.00 0.00 0.00 12:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 880.89 880.89 830.21 830.21 0.00 0.00 0.00 0.00 Average: ens3 64.39 49.62 529.60 21.31 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-9924) 04/30/26 _x86_64_ (4 CPU) 11:49:53 LINUX RESTART (4 CPU) 11:50:00 CPU %user %nice %system %iowait %steal %idle 12:00:07 all 33.00 0.00 1.65 0.55 0.09 64.71 12:00:07 0 31.90 0.00 1.79 0.99 0.09 65.23 12:00:07 1 34.83 0.00 1.86 0.69 0.09 62.54 12:00:07 2 31.82 0.00 1.53 0.20 0.09 66.36 12:00:07 3 33.45 0.00 1.43 0.33 0.08 64.71 12:10:07 all 15.67 0.00 0.81 4.91 0.09 78.51 12:10:07 0 14.50 0.00 0.95 2.87 0.09 81.59 12:10:07 1 16.10 0.00 0.80 13.01 0.09 70.00 12:10:07 2 16.39 0.00 0.80 2.02 0.10 80.69 12:10:07 3 15.66 0.00 0.71 1.75 0.09 81.79 12:20:07 all 50.98 0.00 2.92 3.92 0.11 42.07 12:20:07 0 48.76 0.00 3.05 3.42 0.11 44.66 12:20:07 1 50.49 0.00 2.89 4.93 0.11 41.58 12:20:07 2 52.89 0.00 2.78 2.70 0.11 41.52 12:20:07 3 51.77 0.00 2.95 4.64 0.12 40.52 Average: all 33.20 0.00 1.79 3.12 0.10 61.80 Average: 0 31.74 0.00 1.93 2.42 0.10 63.82 Average: 1 33.78 0.00 1.85 6.19 0.09 58.09 Average: 2 33.67 0.00 1.70 1.63 0.10 62.89 Average: 3 33.59 0.00 1.69 2.23 0.09 62.39