---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15493 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 9.2G 69G 12% / 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 613 11849 4 3526 15033 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:11:48:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84880sec preferred_lft 84880sec inet6 fe80::f816:3eff:fe11:48fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:9f:85:77:bd:08 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-15493) 03/23/26 _x86_64_ (4 CPU) 19:06:34 LINUX RESTART (4 CPU) 19:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:00 24.68 2.51 8.27 13.91 545.03 2464.93 254900.96 19:30:22 3.11 0.06 2.95 0.10 6.47 446.50 14.27 Average: 13.51 1.24 5.52 6.75 266.10 1419.53 122888.77 19:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:00 10826172 13933668 2029532 12.40 112892 3163600 2310808 13.26 613700 4605432 3588 19:30:22 9400812 12635420 3326960 20.32 117236 3276136 3464544 19.89 641528 5981768 64 Average: 10113492 13284544 2678246 16.36 115064 3219868 2887676 16.58 627614 5293600 1826 19:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:00 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 19:20:00 ens3 81.63 61.06 763.77 6.27 0.00 0.00 0.00 0.00 19:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:22 lo 0.52 0.52 0.36 0.36 0.00 0.00 0.00 0.00 19:30:22 ens3 6.98 5.81 34.46 1.72 0.00 0.00 0.00 0.00 19:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 42.96 32.44 386.04 3.91 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-15493) 03/23/26 _x86_64_ (4 CPU) 19:06:34 LINUX RESTART (4 CPU) 19:10:22 CPU %user %nice %system %iowait %steal %idle 19:20:00 all 39.43 0.00 0.94 0.29 0.10 59.25 19:20:00 0 40.33 0.00 0.83 0.26 0.10 58.48 19:20:00 1 49.54 0.00 1.17 0.28 0.10 48.91 19:20:00 2 35.88 0.00 0.78 0.13 0.10 63.10 19:20:00 3 31.95 0.00 0.97 0.48 0.09 66.52 19:30:22 all 45.20 0.00 0.54 0.02 0.09 54.15 19:30:22 0 49.58 0.00 0.56 0.01 0.09 49.76 19:30:22 1 47.57 0.00 0.57 0.00 0.08 51.78 19:30:22 2 48.18 0.00 0.53 0.00 0.09 51.20 19:30:22 3 35.48 0.00 0.50 0.05 0.08 63.88 Average: all 42.42 0.00 0.73 0.15 0.09 56.61 Average: 0 45.11 0.00 0.69 0.13 0.09 53.97 Average: 1 48.52 0.00 0.86 0.13 0.09 50.40 Average: 2 42.26 0.00 0.65 0.07 0.10 56.93 Average: 3 33.78 0.00 0.73 0.26 0.08 65.15