---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-412 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 668 10735 4 4585 14978 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:b7:4a:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84651sec preferred_lft 84651sec inet6 fe80::f816:3eff:feb7:4abe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:f2:fd:fd:88:3b 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-412) 07/29/26 _x86_64_ (4 CPU) 20:54:25 LINUX RESTART (4 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 51.64 2.56 30.09 18.98 142.19 3764.43 245601.87 21:20:01 39.15 0.15 32.17 6.83 9.89 3852.52 6036.60 Average: 45.39 1.36 31.13 12.90 76.04 3808.47 125819.23 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10223676 13840268 2117836 12.93 153392 3579156 2386288 13.70 582424 5176220 116620 21:20:01 11046036 15377536 574848 3.51 202480 4179764 1100120 6.31 809708 4021376 4 Average: 10634856 14608902 1346342 8.22 177936 3879460 1743204 10.01 696066 4598798 58312 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3061.16 3061.16 2919.45 2919.45 0.00 0.00 0.00 0.00 21:10:01 ens3 145.25 109.58 786.36 25.97 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 lo 3171.01 3171.01 3014.45 3014.45 0.00 0.00 0.00 0.00 21:20:01 ens3 119.68 98.03 122.12 114.51 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3116.09 3116.09 2966.95 2966.95 0.00 0.00 0.00 0.00 Average: ens3 132.47 103.81 454.24 70.24 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-412) 07/29/26 _x86_64_ (4 CPU) 20:54:25 LINUX RESTART (4 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 48.69 0.00 2.90 0.09 0.08 48.25 21:10:01 0 48.56 0.00 3.07 0.10 0.07 48.19 21:10:01 1 47.56 0.00 2.78 0.08 0.08 49.50 21:10:01 2 49.46 0.00 2.73 0.12 0.08 47.61 21:10:01 3 49.18 0.00 3.00 0.06 0.08 47.69 21:20:01 all 48.01 0.00 2.90 0.10 0.08 48.93 21:20:01 0 49.42 0.00 2.75 0.06 0.08 47.70 21:20:01 1 48.83 0.00 3.30 0.06 0.08 47.74 21:20:01 2 46.06 0.00 2.97 0.21 0.07 50.68 21:20:01 3 47.71 0.00 2.57 0.06 0.08 49.58 Average: all 48.35 0.00 2.90 0.09 0.08 48.59 Average: 0 48.99 0.00 2.91 0.08 0.07 47.95 Average: 1 48.19 0.00 3.04 0.07 0.08 48.62 Average: 2 47.76 0.00 2.85 0.17 0.08 49.15 Average: 3 48.45 0.00 2.78 0.06 0.08 48.63