---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-462049 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 66G 16% / 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 645 8764 4 6579 15001 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:09:d6:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84625sec preferred_lft 84625sec inet6 fe80::f816:3eff:fe09:d63d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:7a:af:27:1c:bc 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-462049) 03/13/26 _x86_64_ (4 CPU) 12:01:21 LINUX RESTART (4 CPU) 12:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:04 39.65 0.03 23.47 16.15 0.40 2333.79 249045.24 12:30:01 23.01 0.04 21.31 1.66 0.51 8881.93 41687.55 Average: 31.34 0.03 22.39 8.92 0.45 5601.82 145557.69 12:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:04 8839252 12813280 3142988 19.20 150032 3919044 3170416 18.20 767212 6354864 214412 12:30:01 9075972 15443656 504600 3.08 171704 6211504 1009608 5.80 1650260 5133428 153112 Average: 8957612 14128468 1823794 11.14 160868 5065274 2090012 12.00 1208736 5744146 183762 12:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:04 lo 1300.02 1300.02 1238.39 1238.39 0.00 0.00 0.00 0.00 12:20:04 ens3 23.24 20.64 38.76 6.47 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 742.95 742.95 7346.54 7346.54 0.00 0.00 0.00 0.00 12:30:01 ens3 36.96 30.22 109.07 31.01 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1022.00 1022.00 4286.83 4286.83 0.00 0.00 0.00 0.00 Average: ens3 30.09 25.42 73.85 18.72 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-462049) 03/13/26 _x86_64_ (4 CPU) 12:01:21 LINUX RESTART (4 CPU) 12:10:04 CPU %user %nice %system %iowait %steal %idle 12:20:04 all 66.86 0.00 2.34 0.11 0.10 30.59 12:20:04 0 67.17 0.00 2.31 0.16 0.10 30.27 12:20:04 1 67.26 0.00 2.63 0.14 0.10 29.87 12:20:04 2 66.48 0.00 2.27 0.07 0.10 31.08 12:20:04 3 66.54 0.00 2.15 0.07 0.10 31.15 12:30:01 all 45.89 0.00 1.69 0.38 0.09 51.96 12:30:01 0 48.93 0.00 1.95 0.13 0.09 48.91 12:30:01 1 54.88 0.00 1.65 0.27 0.09 43.11 12:30:01 2 41.68 0.00 1.34 0.80 0.09 56.10 12:30:01 3 38.06 0.00 1.82 0.31 0.09 59.72 Average: all 56.38 0.00 2.01 0.24 0.09 41.27 Average: 0 58.06 0.00 2.13 0.15 0.09 39.58 Average: 1 61.07 0.00 2.14 0.20 0.10 36.49 Average: 2 54.08 0.00 1.81 0.43 0.09 43.59 Average: 3 52.32 0.00 1.98 0.19 0.10 45.41