---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10910 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 9.9G 68G 13% / 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 704 11013 4 4271 14942 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:65:26:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84784sec preferred_lft 84784sec inet6 fe80::f816:3eff:fe65:26bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:ea:45:fe:f8:71 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-10910) 05/04/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 51.11 2.53 40.65 7.93 142.30 4758.25 20881.34 21:20:13 28.77 0.33 22.79 5.65 14.27 2905.54 6268.10 Average: 39.74 1.41 31.57 6.77 77.16 3815.71 13447.05 21:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10470056 13883432 2074900 12.67 165320 3357160 2320716 13.32 606116 4889868 48416 21:20:13 11280112 15302064 652052 3.98 198400 3881616 1145204 6.57 816404 3806540 12264 Average: 10875084 14592748 1363476 8.33 181860 3619388 1732960 9.95 711260 4348204 30340 21:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4718.67 4718.67 4499.65 4499.65 0.00 0.00 0.00 0.00 21:10:01 ens3 156.67 116.54 646.52 31.12 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 21:20:13 lo 1820.58 1820.58 1717.62 1717.62 0.00 0.00 0.00 0.00 21:20:13 ens3 128.95 122.93 127.73 180.39 0.00 0.00 0.00 0.00 21:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3244.30 3244.30 3084.33 3084.33 0.00 0.00 0.00 0.00 Average: ens3 142.57 119.79 382.59 107.06 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-10910) 05/04/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:10 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 67.13 0.00 3.80 0.27 0.09 28.71 21:10:01 0 64.84 0.00 3.68 0.43 0.10 30.95 21:10:01 1 68.46 0.00 3.57 0.21 0.10 27.67 21:10:01 2 68.09 0.00 3.63 0.24 0.09 27.94 21:10:01 3 67.15 0.00 4.31 0.19 0.09 28.27 21:20:13 all 35.58 0.00 2.04 0.19 0.07 62.11 21:20:13 0 35.63 0.00 1.94 0.14 0.08 62.22 21:20:13 1 34.02 0.00 2.22 0.13 0.08 63.56 21:20:13 2 36.84 0.00 2.42 0.25 0.08 60.41 21:20:13 3 35.86 0.00 1.58 0.25 0.07 62.24 Average: all 51.06 0.00 2.90 0.23 0.08 45.72 Average: 0 49.95 0.00 2.79 0.28 0.09 46.89 Average: 1 50.92 0.00 2.88 0.17 0.09 45.95 Average: 2 52.18 0.00 3.02 0.25 0.08 44.47 Average: 3 51.21 0.00 2.92 0.22 0.08 45.57