---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12875 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: 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 67G 15% / 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 725 9511 4 5752 14921 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:38:55:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84539sec preferred_lft 84539sec inet6 fe80::f816:3eff:fe38:5500/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:4c:10:6b:f0:9e 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-12875) 02/17/26 _x86_64_ (4 CPU) 12:42:27 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:11 32.23 0.15 28.64 3.45 6.48 3058.88 22642.13 13:10:11 29.78 0.15 26.31 3.32 6.63 6624.59 82249.68 Average: 31.02 0.15 27.48 3.38 6.55 4826.95 52198.86 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:11 9283880 13416328 2537120 15.50 169696 4036512 3078392 17.67 897068 5747928 93416 13:10:11 9845788 15373044 572880 3.50 202948 5305148 1115096 6.40 1052052 4938056 82232 Average: 9564834 14394686 1555000 9.50 186322 4670830 2096744 12.04 974560 5342992 87824 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:11 lo 1489.80 1489.80 1419.57 1419.57 0.00 0.00 0.00 0.00 13:00:11 ens3 57.54 46.00 199.34 13.49 0.00 0.00 0.00 0.00 13:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:11 lo 353.74 353.74 334.93 334.93 0.00 0.00 0.00 0.00 13:10:11 ens3 50.62 40.89 107.83 35.36 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 926.48 926.48 881.74 881.74 0.00 0.00 0.00 0.00 Average: ens3 54.11 43.47 153.96 24.33 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-12875) 02/17/26 _x86_64_ (4 CPU) 12:42:27 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:11 all 62.92 0.00 2.50 0.25 0.11 34.22 13:00:11 0 61.09 0.00 2.62 0.22 0.11 35.96 13:00:11 1 61.71 0.00 2.29 0.16 0.11 35.72 13:00:11 2 65.27 0.00 2.63 0.44 0.11 31.55 13:00:11 3 63.60 0.00 2.45 0.17 0.12 33.66 13:10:11 all 57.63 0.00 2.00 0.21 0.10 40.05 13:10:11 0 54.59 0.00 1.75 0.15 0.10 43.40 13:10:11 1 59.47 0.00 2.12 0.07 0.11 38.23 13:10:11 2 59.45 0.00 2.24 0.31 0.10 37.90 13:10:11 3 57.00 0.00 1.91 0.32 0.10 40.67 Average: all 60.29 0.00 2.25 0.23 0.11 37.12 Average: 0 57.86 0.00 2.19 0.18 0.11 39.66 Average: 1 60.60 0.00 2.20 0.12 0.11 36.97 Average: 2 62.38 0.00 2.44 0.38 0.11 34.70 Average: 3 60.33 0.00 2.18 0.25 0.11 37.14