---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12869 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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: 5600.00 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 671 8527 4 6790 14975 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:c2:28:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84471sec preferred_lft 84471sec inet6 fe80::f816:3eff:fec2:2819/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:bb:7a:13:1b:0b 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-12869) 02/17/26 _x86_64_ (4 CPU) 12:34:38 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:08 26.14 0.56 22.40 3.18 606.24 2866.87 24049.12 13:00:08 32.26 0.02 29.10 3.14 0.33 4531.46 11007.94 Average: 29.18 0.29 25.73 3.16 304.88 3694.79 17562.80 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:08 8333512 12225296 3730688 22.79 143560 3863040 3719516 21.35 885388 6759964 2628 13:00:08 7441556 12394484 3556460 21.72 162776 4856712 3387432 19.44 1180308 7299036 3024 Average: 7887534 12309890 3643574 22.25 153168 4359876 3553474 20.40 1032848 7029500 2826 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:08 lo 1367.57 1367.57 1297.00 1297.00 0.00 0.00 0.00 0.00 12:50:08 ens3 43.17 30.00 207.51 7.55 0.00 0.00 0.00 0.00 12:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:08 lo 1482.40 1482.40 1410.94 1410.94 0.00 0.00 0.00 0.00 13:00:08 ens3 28.02 23.96 24.70 7.55 0.00 0.00 0.00 0.00 13:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1424.68 1424.68 1353.67 1353.67 0.00 0.00 0.00 0.00 Average: ens3 35.64 27.00 116.59 7.55 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-12869) 02/17/26 _x86_64_ (4 CPU) 12:34:38 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:08 all 64.29 0.00 2.45 1.93 0.13 31.21 12:50:08 0 62.63 0.00 2.25 1.34 0.13 33.64 12:50:08 1 67.19 0.00 2.50 1.93 0.13 28.25 12:50:08 2 63.51 0.00 2.51 1.71 0.13 32.14 12:50:08 3 63.82 0.00 2.52 2.72 0.13 30.81 13:00:08 all 62.15 0.00 2.55 0.48 0.12 34.69 13:00:08 0 59.93 0.00 2.40 0.50 0.12 37.06 13:00:08 1 63.81 0.00 2.75 0.68 0.12 32.64 13:00:08 2 63.47 0.00 2.65 0.31 0.12 33.45 13:00:08 3 61.41 0.00 2.41 0.44 0.12 35.61 Average: all 63.22 0.00 2.50 1.21 0.13 32.94 Average: 0 61.28 0.00 2.33 0.92 0.12 35.34 Average: 1 65.50 0.00 2.63 1.31 0.13 30.44 Average: 2 63.49 0.00 2.58 1.01 0.12 32.79 Average: 3 62.62 0.00 2.47 1.59 0.13 33.20