---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66355 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 12G 66G 15% / 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 681 9326 4 5981 14964 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:66:72:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84692sec preferred_lft 84692sec inet6 fe80::f816:3eff:fe66:72b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:81:e8:ab:77:b4 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-66355) 04/04/26 _x86_64_ (4 CPU) 02:34:28 LINUX RESTART (4 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:34 11.81 0.03 9.83 1.96 0.61 829.22 28158.66 03:00:36 35.32 0.19 31.00 4.13 5.91 7536.01 27902.68 Average: 23.27 0.10 20.15 3.02 3.19 4099.23 28033.85 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:34 9516708 13036708 2922048 17.85 124208 3524028 3169408 18.19 729184 5747524 328 03:00:36 6323212 12228244 3718596 22.71 162912 5754916 3821864 21.94 1612940 7932088 303012 Average: 7919960 12632476 3320322 20.28 143560 4639472 3495636 20.06 1171062 6839806 151670 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:34 lo 49.42 49.42 11.79 11.79 0.00 0.00 0.00 0.00 02:50:34 ens3 8.38 7.91 11.69 2.71 0.00 0.00 0.00 0.00 02:50:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:36 lo 2005.61 2005.61 1907.94 1907.94 0.00 0.00 0.00 0.00 03:00:36 ens3 64.80 51.47 464.84 13.92 0.00 0.00 0.00 0.00 03:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1003.20 1003.20 936.29 936.29 0.00 0.00 0.00 0.00 Average: ens3 35.89 29.15 232.63 8.17 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-66355) 04/04/26 _x86_64_ (4 CPU) 02:34:28 LINUX RESTART (4 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:34 all 22.53 0.00 0.95 0.29 0.08 76.14 02:50:34 0 22.74 0.00 1.05 0.19 0.08 75.95 02:50:34 1 22.77 0.00 0.93 0.34 0.09 75.87 02:50:34 2 23.23 0.00 0.94 0.19 0.08 75.56 02:50:34 3 21.40 0.00 0.88 0.45 0.08 77.18 03:00:36 all 49.20 0.00 2.40 0.60 0.10 47.70 03:00:36 0 46.59 0.00 2.27 0.32 0.10 50.72 03:00:36 1 49.09 0.00 2.66 0.78 0.10 47.37 03:00:36 2 49.61 0.00 2.30 0.87 0.09 47.13 03:00:36 3 51.53 0.00 2.38 0.42 0.10 45.57 Average: all 35.52 0.00 1.66 0.44 0.09 62.29 Average: 0 34.36 0.00 1.65 0.25 0.09 63.66 Average: 1 35.59 0.00 1.77 0.56 0.09 61.98 Average: 2 36.08 0.00 1.60 0.52 0.09 61.71 Average: 3 36.06 0.00 1.61 0.44 0.09 61.80