---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33474 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 609 10415 4 4964 15037 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:97:71:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84851sec preferred_lft 84851sec inet6 fe80::f816:3eff:fe97:7166/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:67:c0:e3:ae:0d 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-33474) 07/06/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 53.10 4.09 35.01 14.00 252.16 4473.31 240431.97 17:30:09 4.17 0.23 3.79 0.15 11.52 626.56 247.77 Average: 28.49 2.15 19.30 7.03 131.11 2538.33 119614.99 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10684528 13712244 2251172 13.75 113300 3075424 2651688 15.22 484536 4865160 6484 17:30:09 10486052 13711056 2250784 13.75 119832 3250356 2444092 14.03 527160 4999376 20404 Average: 10585290 13711650 2250978 13.75 116566 3162890 2547890 14.62 505848 4932268 13444 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 90.92 70.64 890.80 12.57 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:09 lo 0.78 0.78 0.38 0.38 0.00 0.00 0.00 0.00 17:30:09 ens3 9.39 8.08 60.51 1.79 0.00 0.00 0.00 0.00 17:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 49.91 39.17 473.15 7.15 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-33474) 07/06/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 44.31 0.00 1.16 0.31 0.08 54.14 17:20:01 0 43.74 0.00 1.10 0.51 0.08 54.57 17:20:01 1 41.78 0.00 1.12 0.14 0.08 56.88 17:20:01 2 44.01 0.00 1.10 0.43 0.08 54.40 17:20:01 3 47.71 0.00 1.32 0.18 0.08 50.70 17:30:09 all 51.25 0.00 0.62 0.02 0.08 48.03 17:30:09 0 38.36 0.00 0.60 0.02 0.08 60.94 17:30:09 1 50.36 0.00 0.70 0.02 0.07 48.85 17:30:09 2 60.75 0.00 0.63 0.01 0.08 38.53 17:30:09 3 55.53 0.00 0.58 0.01 0.08 43.80 Average: all 47.81 0.00 0.89 0.16 0.08 51.06 Average: 0 41.03 0.00 0.85 0.27 0.08 57.78 Average: 1 46.11 0.00 0.91 0.08 0.08 52.83 Average: 2 52.44 0.00 0.86 0.22 0.08 46.40 Average: 3 51.65 0.00 0.95 0.10 0.08 47.23