---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38078 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 9.7G 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 653 11288 4 4047 14993 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:ad:6d:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84824sec preferred_lft 84824sec inet6 fe80::f816:3eff:fead:6d4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:af:46:01:b2:f7 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-38078) 07/23/26 _x86_64_ (4 CPU) 11:34:27 LINUX RESTART (4 CPU) 11:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:29 19.45 1.30 17.85 0.30 94.81 719.14 284.49 12:00:15 48.17 3.82 40.21 4.14 207.61 7012.57 6845.65 Average: 33.44 2.53 28.74 2.17 149.75 3784.53 3480.28 11:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:29 13269048 15385164 610540 3.73 80968 2242280 1196028 6.87 253248 2567476 192332 12:00:15 11654164 15444696 514816 3.14 138692 3780436 1003868 5.76 731008 3585388 12692 Average: 12461606 15414930 562678 3.44 109830 3011358 1099948 6.31 492128 3076432 102512 11:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:29 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 11:50:29 ens3 23.68 17.03 130.63 4.50 0.00 0.00 0.00 0.00 11:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:15 lo 864.00 864.00 818.17 818.17 0.00 0.00 0.00 0.00 12:00:15 ens3 149.58 123.30 1137.51 74.10 0.00 0.00 0.00 0.00 12:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 420.93 420.93 398.52 398.52 0.00 0.00 0.00 0.00 Average: ens3 85.00 68.79 621.06 38.40 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-38078) 07/23/26 _x86_64_ (4 CPU) 11:34:27 LINUX RESTART (4 CPU) 11:40:11 CPU %user %nice %system %iowait %steal %idle 11:50:29 all 1.78 0.00 0.18 0.32 0.02 97.70 11:50:29 0 1.21 0.00 0.12 0.04 0.01 98.61 11:50:29 1 2.49 0.00 0.18 0.05 0.01 97.27 11:50:29 2 2.21 0.00 0.23 0.77 0.02 96.77 11:50:29 3 1.22 0.00 0.20 0.41 0.02 98.14 12:00:15 all 46.60 0.00 1.99 0.76 0.09 50.56 12:00:15 0 48.68 0.00 1.95 0.47 0.09 48.81 12:00:15 1 44.90 0.00 1.88 0.50 0.09 52.62 12:00:15 2 47.92 0.00 2.25 0.72 0.09 49.01 12:00:15 3 44.90 0.00 1.88 1.33 0.09 51.80 Average: all 23.58 0.00 1.06 0.53 0.05 74.78 Average: 0 24.32 0.00 1.01 0.25 0.05 74.37 Average: 1 23.11 0.00 1.01 0.27 0.05 75.57 Average: 2 24.42 0.00 1.21 0.75 0.06 73.56 Average: 3 22.45 0.00 1.02 0.86 0.06 75.62