---> uname -a: Linux prd-ubuntu2204-builder-2c-1g-480458 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 794M 1.1M 793M 1% /run /dev/vda1 39G 9.1G 30G 24% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 794M 4.0K 794M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7937 586 3903 4 3447 7039 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:c6:df:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83157sec preferred_lft 83157sec inet6 fe80::f816:3eff:fec6:df33/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:9b:2c:a0:85:b3 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 inet6 fe80::8c9b:2cff:fea0:85b3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-builder-2c-1g-480458) 03/15/26 _x86_64_ (2 CPU) 11:26:20 LINUX RESTART (2 CPU) 11:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:09 14.47 0.05 1.53 12.90 2.06 19.92 105792.21 11:50:22 1.21 0.00 1.20 0.00 0.04 14.67 0.00 12:00:25 1.19 0.00 1.19 0.00 0.00 14.38 0.00 12:10:26 1.03 0.00 1.03 0.00 0.00 12.53 0.00 12:20:11 37.90 2.07 34.70 1.13 365.89 3374.12 5904.97 Average: 10.96 0.42 7.78 2.77 71.95 672.05 22046.53 11:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:09 4750772 7251428 521668 6.42 95852 2567988 1073292 11.70 402860 2679676 156 11:50:22 4750520 7251736 521280 6.41 96264 2568124 1073352 11.70 403284 2679844 4 12:00:25 4748252 7249836 523188 6.44 96628 2568132 1073356 11.70 403640 2679704 124 12:10:26 4746040 7248128 524920 6.46 96976 2568272 1073356 11.70 403996 2680856 284 12:20:11 4043724 7254520 499588 6.15 116672 3226700 1120108 12.21 632004 3126108 12640 Average: 4607862 7251130 518129 6.37 100478 2699843 1082693 11.80 449157 2769238 2642 11:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:09 lo 0.30 0.30 0.05 0.05 0.00 0.00 0.00 0.00 11:40:09 ens3 0.99 0.77 0.89 0.21 0.00 0.00 0.00 0.00 11:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:22 lo 0.30 0.30 0.06 0.06 0.00 0.00 0.00 0.00 11:50:22 ens3 0.72 0.67 0.73 0.12 0.00 0.00 0.00 0.00 11:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:25 lo 0.30 0.30 0.06 0.06 0.00 0.00 0.00 0.00 12:00:25 ens3 0.69 0.66 0.74 0.12 0.00 0.00 0.00 0.00 12:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:26 lo 0.31 0.31 0.06 0.06 0.00 0.00 0.00 0.00 12:10:26 ens3 0.74 0.67 0.76 0.14 0.00 0.00 0.00 0.00 12:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:11 lo 0.42 0.42 0.09 0.09 0.00 0.00 0.00 0.00 12:20:11 ens3 21.61 12.42 285.42 1.99 0.00 0.00 0.00 0.00 12:20:11 docker0 6.55 8.99 0.40 155.11 0.00 0.00 0.00 0.00 Average: lo 0.33 0.33 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 4.86 2.98 56.43 0.51 0.00 0.00 0.00 0.00 Average: docker0 1.28 1.76 0.08 30.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-builder-2c-1g-480458) 03/15/26 _x86_64_ (2 CPU) 11:26:20 LINUX RESTART (2 CPU) 11:30:17 CPU %user %nice %system %iowait %steal %idle 11:40:09 all 0.29 0.00 0.06 0.04 0.04 99.56 11:40:09 0 0.32 0.00 0.07 0.08 0.05 99.48 11:40:09 1 0.26 0.00 0.06 0.01 0.03 99.65 11:50:22 all 0.25 0.00 0.04 0.01 0.04 99.65 11:50:22 0 0.26 0.00 0.04 0.02 0.05 99.63 11:50:22 1 0.24 0.00 0.04 0.01 0.03 99.68 12:00:25 all 0.55 0.00 0.07 0.02 0.04 99.33 12:00:25 0 0.37 0.00 0.06 0.01 0.03 99.52 12:00:25 1 0.74 0.00 0.07 0.02 0.04 99.13 12:10:26 all 0.66 0.00 0.05 0.01 0.04 99.23 12:10:26 0 0.69 0.00 0.05 0.01 0.04 99.21 12:10:26 1 0.64 0.00 0.05 0.02 0.04 99.25 12:20:11 all 5.30 0.00 1.00 0.43 0.04 93.22 12:20:11 0 3.98 0.00 1.00 0.47 0.05 94.50 12:20:11 1 6.63 0.00 1.00 0.40 0.04 91.93 Average: all 1.39 0.00 0.24 0.10 0.04 98.22 Average: 0 1.11 0.00 0.24 0.12 0.04 98.49 Average: 1 1.67 0.00 0.24 0.09 0.04 97.96