---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54049 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 11G 67G 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 641 9727 4 5620 15005 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:41:92:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84438sec preferred_lft 84438sec inet6 fe80::f816:3eff:fe41:92ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:42:ea:08:c2:52 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-54049) 03/29/26 _x86_64_ (4 CPU) 18:21:28 LINUX RESTART (4 CPU) 18:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:08 43.55 0.03 36.49 7.03 0.64 1506.03 97854.42 18:50:00 33.35 0.19 28.65 4.51 5.86 5864.16 35152.55 Average: 38.48 0.11 32.60 5.78 3.23 3670.74 66709.95 18:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:08 9234752 12923116 3034116 18.53 159280 3654504 3263892 18.73 837932 5891480 708 18:50:00 7876564 13101560 2847060 17.39 188164 5082300 3025432 17.37 1402288 6598512 6900 Average: 8555658 13012338 2940588 17.96 173722 4368402 3144662 18.05 1120110 6244996 3804 18:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:08 lo 45.10 45.10 10.70 10.70 0.00 0.00 0.00 0.00 18:40:08 ens3 13.07 10.03 10.44 3.50 0.00 0.00 0.00 0.00 18:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:00 lo 1989.88 1989.88 1889.97 1889.97 0.00 0.00 0.00 0.00 18:50:00 ens3 75.29 56.10 483.32 13.80 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1011.08 1011.08 944.15 944.15 0.00 0.00 0.00 0.00 Average: ens3 43.98 32.92 245.32 8.61 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-54049) 03/29/26 _x86_64_ (4 CPU) 18:21:28 LINUX RESTART (4 CPU) 18:30:08 CPU %user %nice %system %iowait %steal %idle 18:40:08 all 22.01 0.00 0.96 0.22 0.08 76.73 18:40:08 0 22.96 0.00 1.07 0.44 0.08 75.46 18:40:08 1 22.82 0.00 1.04 0.25 0.08 75.81 18:40:08 2 20.29 0.00 0.84 0.14 0.08 78.66 18:40:08 3 21.97 0.00 0.89 0.07 0.08 76.98 18:50:00 all 46.74 0.00 2.37 0.09 0.09 50.72 18:50:00 0 48.03 0.00 2.36 0.17 0.09 49.35 18:50:00 1 47.05 0.00 2.65 0.10 0.09 50.12 18:50:00 2 46.57 0.00 2.35 0.05 0.09 50.94 18:50:00 3 45.30 0.00 2.10 0.06 0.09 52.46 Average: all 34.28 0.00 1.66 0.16 0.08 63.82 Average: 0 35.40 0.00 1.71 0.30 0.08 62.50 Average: 1 34.83 0.00 1.84 0.17 0.08 63.07 Average: 2 33.34 0.00 1.59 0.09 0.08 64.89 Average: 3 33.55 0.00 1.49 0.06 0.08 64.82