---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-473497 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 16% / 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 665 8824 4 6499 14981 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:23:3f:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84209sec preferred_lft 84209sec inet6 fe80::f816:3eff:fe23:3f4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:7a:47:a1:be:99 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-473497) 03/14/26 _x86_64_ (4 CPU) 16:46:48 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:27 29.52 2.87 23.74 2.91 156.13 3799.76 6771.69 17:10:22 43.19 0.02 26.54 16.62 0.40 2520.81 252320.35 17:20:01 18.99 0.14 16.98 1.87 6.59 8956.38 42923.62 Average: 30.66 1.05 22.49 7.11 56.53 5035.29 99605.30 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:27 9576808 13031416 2927824 17.88 137516 3445464 3055356 17.54 669712 5751528 36916 17:10:22 8979796 12884436 3070952 18.76 157788 3840500 2917244 16.74 797560 6174244 40128 17:20:01 9056324 15352012 595604 3.64 178300 6132632 1103472 6.33 1625000 5158220 132 Average: 9204309 13755955 2198127 13.43 157868 4472865 2358691 13.54 1030757 5694664 25725 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:27 lo 1459.33 1459.33 1385.56 1385.56 0.00 0.00 0.00 0.00 17:00:27 ens3 127.38 96.09 927.22 20.66 0.00 0.00 0.00 0.00 17:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:22 lo 1318.07 1318.07 1255.92 1255.92 0.00 0.00 0.00 0.00 17:10:22 ens3 41.58 35.30 47.02 11.94 0.00 0.00 0.00 0.00 17:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 457.01 457.01 7284.60 7284.60 0.00 0.00 0.00 0.00 17:20:01 ens3 57.29 55.23 111.72 389.90 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1090.24 1090.24 3239.97 3239.97 0.00 0.00 0.00 0.00 Average: ens3 76.46 62.84 373.84 136.53 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-473497) 03/14/26 _x86_64_ (4 CPU) 16:46:48 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:27 all 57.48 0.00 2.30 0.09 0.08 40.05 17:00:27 0 56.66 0.00 2.20 0.05 0.08 41.01 17:00:27 1 56.29 0.00 2.54 0.17 0.08 40.92 17:00:27 2 57.68 0.00 2.36 0.08 0.08 39.80 17:00:27 3 59.31 0.00 2.10 0.06 0.08 38.45 17:10:22 all 64.92 0.00 2.42 0.08 0.08 32.50 17:10:22 0 64.55 0.00 2.47 0.08 0.08 32.83 17:10:22 1 64.47 0.00 2.42 0.06 0.08 32.96 17:10:22 2 66.19 0.00 2.44 0.10 0.08 31.18 17:10:22 3 64.48 0.00 2.33 0.07 0.08 33.03 17:20:01 all 37.38 0.00 1.32 0.14 0.07 61.09 17:20:01 0 35.46 0.00 1.35 0.05 0.07 63.09 17:20:01 1 37.71 0.00 1.27 0.17 0.07 60.79 17:20:01 2 37.30 0.00 1.53 0.25 0.07 60.85 17:20:01 3 39.05 0.00 1.15 0.10 0.06 59.64 Average: all 53.47 0.00 2.03 0.10 0.08 44.33 Average: 0 52.44 0.00 2.01 0.06 0.08 45.41 Average: 1 53.01 0.00 2.09 0.13 0.08 44.69 Average: 2 53.93 0.00 2.12 0.14 0.08 43.73 Average: 3 54.50 0.00 1.87 0.08 0.08 43.48