---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53097 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 13G 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 684 8446 4 6858 14962 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:fb:8c:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84353sec preferred_lft 84353sec inet6 fe80::f816:3eff:fefb:8cee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:e4:3b:2f:6d:4a 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-53097) 03/26/26 _x86_64_ (4 CPU) 08:08:17 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:06 57.28 4.35 36.27 16.66 793.98 5780.72 245084.98 08:30:08 29.11 0.01 26.18 2.92 0.21 2438.36 11902.98 08:40:00 15.33 0.04 14.38 0.92 0.73 8226.18 51678.39 Average: 34.03 1.48 25.68 6.87 267.09 5468.71 103359.68 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:06 9435988 13250960 2706648 16.53 138688 3799908 2995424 17.19 871580 5686356 26556 08:30:08 8496040 12837116 3117024 19.04 158696 4267564 3127264 17.95 996248 6450572 136536 08:40:00 6281140 12938608 3007868 18.37 178100 6488840 3234140 18.56 1815316 7743120 176468 Average: 8071056 13008895 2943847 17.98 158495 4852104 3118943 17.90 1227715 6626683 113187 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:06 lo 1523.73 1523.73 1445.71 1445.71 0.00 0.00 0.00 0.00 08:20:06 ens3 113.79 82.56 1161.66 14.58 0.00 0.00 0.00 0.00 08:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:08 lo 1346.88 1346.88 1283.30 1283.30 0.00 0.00 0.00 0.00 08:30:08 ens3 24.72 22.15 40.28 6.67 0.00 0.00 0.00 0.00 08:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 2609.19 2609.19 9533.62 9533.62 0.00 0.00 0.00 0.00 08:40:00 ens3 26.94 24.08 133.94 6.46 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1822.28 1822.28 4056.68 4056.68 0.00 0.00 0.00 0.00 Average: ens3 55.38 43.08 447.93 9.26 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-53097) 03/26/26 _x86_64_ (4 CPU) 08:08:17 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:06 all 69.60 0.00 2.76 0.21 0.13 27.30 08:20:06 0 69.96 0.00 2.62 0.12 0.13 27.17 08:20:06 1 71.62 0.00 2.80 0.15 0.13 25.29 08:20:06 2 68.44 0.00 2.78 0.23 0.13 28.42 08:20:06 3 68.37 0.00 2.85 0.34 0.13 28.31 08:30:08 all 65.37 0.00 2.47 0.26 0.11 31.79 08:30:08 0 64.89 0.00 2.76 0.07 0.11 32.16 08:30:08 1 64.89 0.00 2.39 0.09 0.11 32.52 08:30:08 2 66.19 0.00 2.56 0.72 0.11 30.42 08:30:08 3 65.49 0.00 2.19 0.17 0.11 32.05 08:40:00 all 40.78 0.00 1.52 2.38 0.09 55.22 08:40:00 0 42.12 0.00 1.19 0.72 0.09 55.88 08:40:00 1 41.09 0.00 1.35 2.31 0.09 55.16 08:40:00 2 46.67 0.00 1.95 3.39 0.10 47.90 08:40:00 3 33.23 0.00 1.60 3.10 0.09 61.98 Average: all 58.68 0.00 2.26 0.94 0.11 38.01 Average: 0 59.08 0.00 2.20 0.30 0.11 38.31 Average: 1 59.30 0.00 2.18 0.84 0.11 37.56 Average: 2 60.49 0.00 2.43 1.44 0.11 35.53 Average: 3 55.82 0.00 2.22 1.19 0.11 40.66