---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29972 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: 5599.94 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 14% / 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 615 10574 4 4799 15031 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:79:fc:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fe79:fcbe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:49:c4:e6:4e:ef 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-29972) 03/25/26 _x86_64_ (4 CPU) 06:59:45 LINUX RESTART (4 CPU) 07:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:08 49.10 10.96 37.30 0.83 1478.71 8649.87 1723.19 07:20:08 16.71 0.07 3.25 13.39 6.88 541.48 239764.35 07:30:02 24.72 0.59 21.81 2.32 27.17 6151.28 7255.89 Average: 30.29 3.92 20.87 5.50 510.91 5129.02 82749.46 07:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:08 10030088 12890760 3073912 18.77 108576 2926900 3345040 19.20 458068 5548736 448 07:20:08 9386416 12407096 3556532 21.72 114120 3068472 3679188 21.12 506732 6126064 236 07:30:02 10913192 15470096 487284 2.98 137984 4520872 1006292 5.78 892108 4145924 28076 Average: 10109899 13589317 2372576 14.49 120227 3505415 2676840 15.37 618969 5273575 9587 07:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:08 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 07:10:08 ens3 130.10 91.77 940.35 14.67 0.00 0.00 0.00 0.00 07:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:08 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 07:20:08 ens3 7.31 6.61 35.97 2.10 0.00 0.00 0.00 0.00 07:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:02 lo 502.59 502.59 478.13 478.13 0.00 0.00 0.00 0.00 07:30:02 ens3 50.79 37.39 490.51 18.47 0.00 0.00 0.00 0.00 07:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 165.90 165.90 157.62 157.62 0.00 0.00 0.00 0.00 Average: ens3 63.12 45.53 491.27 11.74 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-29972) 03/25/26 _x86_64_ (4 CPU) 06:59:45 LINUX RESTART (4 CPU) 07:00:00 CPU %user %nice %system %iowait %steal %idle 07:10:08 all 32.91 0.00 1.14 3.34 0.08 62.53 07:10:08 0 27.63 0.00 1.09 3.65 0.08 67.56 07:10:08 1 33.89 0.00 1.24 4.52 0.08 60.26 07:10:08 2 36.74 0.00 1.07 1.00 0.08 61.11 07:10:08 3 33.39 0.00 1.16 4.20 0.07 61.19 07:20:08 all 46.60 0.00 0.67 0.52 0.09 52.12 07:20:08 0 43.91 0.00 0.72 0.66 0.09 54.63 07:20:08 1 44.00 0.00 0.59 0.31 0.09 55.01 07:20:08 2 47.68 0.00 0.68 1.02 0.09 50.53 07:20:08 3 50.83 0.00 0.68 0.10 0.08 48.31 07:30:02 all 51.45 0.00 1.56 1.04 0.10 45.85 07:30:02 0 47.84 0.00 1.51 2.06 0.10 48.48 07:30:02 1 43.23 0.00 1.52 0.66 0.10 54.49 07:30:02 2 50.91 0.00 1.40 0.95 0.10 46.63 07:30:02 3 63.85 0.00 1.80 0.48 0.11 33.76 Average: all 43.57 0.00 1.12 1.65 0.09 53.57 Average: 0 39.70 0.00 1.11 2.13 0.09 56.97 Average: 1 40.33 0.00 1.12 1.85 0.09 56.61 Average: 2 45.05 0.00 1.05 0.99 0.09 52.82 Average: 3 49.21 0.00 1.21 1.61 0.09 47.88