---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6299 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 10G 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 698 10819 4 4470 14948 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:bd:fa:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84861sec preferred_lft 84861sec inet6 fe80::f816:3eff:febd:fa52/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:3d:f1:79:03:b5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6299) 03/20/26 _x86_64_ (4 CPU) 06:57:27 LINUX RESTART (4 CPU) 07:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:16 58.91 2.97 36.57 19.38 544.91 4392.45 249399.30 07:20:01 36.41 0.32 30.09 6.00 12.16 3694.50 7645.75 Average: 47.80 1.66 33.37 12.77 281.92 4047.91 130057.21 07:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:16 10387696 13909920 2049268 12.52 155060 3489676 2550796 14.64 697904 4910092 98724 07:20:01 11155412 15370124 583640 3.56 201140 4075244 1104004 6.34 922628 3820592 200 Average: 10771554 14640022 1316454 8.04 178100 3782460 1827400 10.49 810266 4365342 49462 07:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:16 lo 3424.76 3424.76 3265.22 3265.22 0.00 0.00 0.00 0.00 07:10:16 ens3 159.52 116.70 914.49 29.61 0.00 0.00 0.00 0.00 07:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 2906.80 2906.80 2761.66 2761.66 0.00 0.00 0.00 0.00 07:20:01 ens3 125.51 102.90 121.54 128.95 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3169.07 3169.07 3016.63 3016.63 0.00 0.00 0.00 0.00 Average: ens3 142.73 109.89 523.05 78.65 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6299) 03/20/26 _x86_64_ (4 CPU) 06:57:27 LINUX RESTART (4 CPU) 07:00:16 CPU %user %nice %system %iowait %steal %idle 07:10:16 all 53.93 0.00 3.20 0.18 0.08 42.61 07:10:16 0 54.53 0.00 3.30 0.19 0.08 41.90 07:10:16 1 53.21 0.00 3.24 0.21 0.08 43.25 07:10:16 2 53.87 0.00 3.22 0.22 0.08 42.60 07:10:16 3 54.09 0.00 3.04 0.11 0.08 42.68 07:20:01 all 46.06 0.00 2.72 0.11 0.08 51.03 07:20:01 0 43.87 0.00 2.87 0.21 0.08 52.96 07:20:01 1 44.03 0.00 2.46 0.12 0.08 53.31 07:20:01 2 46.11 0.00 2.57 0.07 0.08 51.18 07:20:01 3 50.24 0.00 2.96 0.04 0.09 46.67 Average: all 50.04 0.00 2.96 0.15 0.08 46.77 Average: 0 49.27 0.00 3.09 0.20 0.08 47.36 Average: 1 48.68 0.00 2.86 0.17 0.08 48.22 Average: 2 50.04 0.00 2.90 0.15 0.08 46.84 Average: 3 52.19 0.00 3.00 0.08 0.08 44.65