---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30855 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 9.8G 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 620 11090 4 4278 15026 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:f8:49:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84418sec preferred_lft 84418sec inet6 fe80::f816:3eff:fef8:49f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:b6:5a:0a:fb:58 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-30855) 06/26/26 _x86_64_ (4 CPU) 13:46:08 LINUX RESTART (4 CPU) 13:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:00 32.48 1.66 30.29 0.52 320.85 1457.15 1601.95 14:10:00 18.25 2.81 14.61 0.83 160.07 4044.54 2019.47 Average: 25.20 2.25 22.27 0.68 238.57 2781.20 1815.61 13:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:00 13051100 15396776 589396 3.60 90612 2454332 1190932 6.84 383140 2656860 202084 14:10:00 10569168 13948612 2011588 12.29 130616 3375940 2593300 14.89 603580 4822268 23796 Average: 11810134 14672694 1300492 7.94 110614 2915136 1892116 10.86 493360 3739564 112940 13:50:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:00 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 14:00:00 ens3 38.96 28.67 302.36 6.13 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 14:10:00 ens3 100.32 79.92 753.36 17.07 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 70.36 54.90 533.15 11.73 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-30855) 06/26/26 _x86_64_ (4 CPU) 13:46:08 LINUX RESTART (4 CPU) 13:50:27 CPU %user %nice %system %iowait %steal %idle 14:00:00 all 2.19 0.00 0.29 0.22 0.02 97.27 14:00:00 0 1.34 0.00 0.16 0.23 0.02 98.25 14:00:00 1 2.75 0.00 0.33 0.07 0.03 96.81 14:00:00 2 1.00 0.00 0.28 0.38 0.03 98.31 14:00:00 3 3.67 0.00 0.39 0.22 0.03 95.69 14:10:00 all 42.55 0.00 1.44 0.07 0.07 55.87 14:10:00 0 43.80 0.00 1.60 0.05 0.07 54.48 14:10:00 1 42.49 0.00 1.39 0.08 0.07 55.97 14:10:00 2 41.57 0.00 1.31 0.11 0.07 56.93 14:10:00 3 42.35 0.00 1.44 0.06 0.07 56.08 Average: all 22.84 0.00 0.88 0.15 0.05 76.09 Average: 0 23.06 0.00 0.90 0.14 0.04 75.87 Average: 1 23.09 0.00 0.88 0.08 0.05 75.91 Average: 2 21.77 0.00 0.81 0.24 0.05 77.13 Average: 3 23.43 0.00 0.93 0.14 0.05 75.46