---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38609 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 67G 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 605 10526 4 4857 15040 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:b8:a8:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84702sec preferred_lft 84702sec inet6 fe80::f816:3eff:feb8:a888/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:cb:8e:d5:a4:cb 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-38609) 07/25/26 _x86_64_ (4 CPU) 09:56:19 LINUX RESTART (4 CPU) 10:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 8.64 2.18 6.24 0.22 133.46 2199.42 156.79 10:20:03 4.88 0.36 4.28 0.24 11.15 589.95 211.05 Average: 6.75 1.27 5.26 0.23 72.10 1391.97 184.01 10:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9468200 12542276 3420720 20.89 114440 3117500 3666312 21.04 495896 6048416 416 10:20:03 9608732 13185780 2774168 16.94 128352 3576116 3045168 17.48 559972 5812120 331644 Average: 9538466 12864028 3097444 18.92 121396 3346808 3355740 19.26 527934 5930268 166030 10:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.54 0.54 0.24 0.24 0.00 0.00 0.00 0.00 10:10:01 ens3 60.52 50.00 697.81 7.23 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 125.79 125.79 119.70 119.70 0.00 0.00 0.00 0.00 10:20:03 ens3 33.58 23.70 401.53 3.05 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 63.38 63.38 60.18 60.18 0.00 0.00 0.00 0.00 Average: ens3 47.00 36.81 549.17 5.14 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-38609) 07/25/26 _x86_64_ (4 CPU) 09:56:19 LINUX RESTART (4 CPU) 10:00:03 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 51.56 0.00 0.98 0.05 0.09 47.32 10:10:01 0 53.98 0.00 0.88 0.03 0.09 45.03 10:10:01 1 45.22 0.00 0.96 0.07 0.09 53.66 10:10:01 2 53.63 0.00 1.01 0.04 0.09 45.24 10:10:01 3 53.44 0.00 1.09 0.07 0.09 45.32 10:20:03 all 45.56 0.00 0.69 0.02 0.08 53.65 10:20:03 0 44.75 0.00 0.53 0.00 0.08 54.64 10:20:03 1 31.72 0.00 0.70 0.04 0.07 67.47 10:20:03 2 68.38 0.00 0.99 0.02 0.09 30.52 10:20:03 3 37.42 0.00 0.54 0.02 0.07 61.94 Average: all 48.55 0.00 0.84 0.04 0.08 50.49 Average: 0 49.35 0.00 0.71 0.02 0.08 49.84 Average: 1 38.46 0.00 0.83 0.06 0.08 60.58 Average: 2 61.03 0.00 1.00 0.03 0.09 37.85 Average: 3 45.40 0.00 0.81 0.05 0.08 53.66