---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65134 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 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 686 9489 4 5812 14959 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:71:2e:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84273sec preferred_lft 84273sec inet6 fe80::f816:3eff:fe71:2e65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:ed:34:e9:c9:07 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-65134) 04/01/26 _x86_64_ (4 CPU) 13:39:48 LINUX RESTART (4 CPU) 13:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:17 57.63 11.79 43.87 1.97 1878.55 10675.73 6117.10 14:00:17 32.21 0.04 28.69 3.48 1.29 3177.24 27024.78 14:10:17 20.46 0.30 17.64 2.52 11.87 5970.51 3382.84 Average: 36.95 4.11 30.19 2.65 641.75 6644.27 12120.69 13:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:17 9211916 13183192 2772912 16.94 154612 3904840 3113456 17.87 843944 5895328 187408 14:00:17 8285340 12800788 3151000 19.25 184508 4374284 3384612 19.43 987244 6630676 177728 14:10:17 9775948 15365212 581492 3.55 207304 5362204 1115260 6.40 1059104 4976652 8 Average: 9091068 13783064 2168468 13.24 182141 4547109 2537776 14.57 963431 5834219 121715 13:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:17 lo 500.18 500.18 476.34 476.34 0.00 0.00 0.00 0.00 13:50:17 ens3 160.71 116.77 1235.59 24.85 0.00 0.00 0.00 0.00 13:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:17 lo 1556.82 1556.82 1483.77 1483.77 0.00 0.00 0.00 0.00 14:00:17 ens3 50.25 35.26 138.40 10.77 0.00 0.00 0.00 0.00 14:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:17 lo 110.73 110.73 102.52 102.52 0.00 0.00 0.00 0.00 14:10:17 ens3 52.88 44.11 109.56 67.72 0.00 0.00 0.00 0.00 14:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 720.59 720.59 685.66 685.66 0.00 0.00 0.00 0.00 Average: ens3 88.60 65.84 501.16 34.36 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-65134) 04/01/26 _x86_64_ (4 CPU) 13:39:48 LINUX RESTART (4 CPU) 13:40:00 CPU %user %nice %system %iowait %steal %idle 13:50:17 all 51.81 0.00 2.19 0.80 0.11 45.08 13:50:17 0 50.62 0.00 1.96 0.38 0.11 46.93 13:50:17 1 50.69 0.00 2.17 0.66 0.11 46.38 13:50:17 2 51.68 0.00 2.26 0.90 0.11 45.04 13:50:17 3 54.26 0.00 2.39 1.26 0.11 41.98 14:00:17 all 62.19 0.00 2.69 0.46 0.16 34.50 14:00:17 0 62.35 0.00 2.90 0.57 0.18 34.01 14:00:17 1 63.74 0.00 2.90 0.75 0.16 32.45 14:00:17 2 62.15 0.00 2.47 0.21 0.16 35.01 14:00:17 3 60.52 0.00 2.48 0.31 0.15 36.54 14:10:17 all 50.12 0.00 1.75 0.15 0.12 47.86 14:10:17 0 51.31 0.00 1.86 0.10 0.12 46.61 14:10:17 1 47.72 0.00 1.69 0.06 0.11 50.42 14:10:17 2 52.35 0.00 1.78 0.14 0.12 45.61 14:10:17 3 49.10 0.00 1.69 0.32 0.11 48.79 Average: all 54.67 0.00 2.21 0.47 0.13 42.51 Average: 0 54.71 0.00 2.23 0.35 0.13 42.57 Average: 1 54.01 0.00 2.25 0.49 0.13 43.12 Average: 2 55.36 0.00 2.17 0.42 0.13 41.92 Average: 3 54.62 0.00 2.19 0.64 0.13 42.44