---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10959 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 11G 67G 14% / 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 666 10268 4 5053 14979 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:9f:1c:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe9f:1c4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:80:d1:f7:d6:6e 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-10959) 02/16/26 _x86_64_ (4 CPU) 01:57:19 LINUX RESTART (4 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 29.91 14.44 14.12 1.36 673.29 3657.86 7218.82 02:20:01 29.49 0.92 24.34 4.23 30.58 4723.34 5323.30 Average: 29.70 7.65 19.25 2.80 350.79 4192.51 6267.67 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 10175392 13724808 2232724 13.64 138232 3520872 2491036 14.30 732236 5067516 39296 02:20:01 10567388 15381312 568056 3.47 178088 4651504 1108756 6.36 1077656 4219628 29252 Average: 10371390 14553060 1400390 8.55 158160 4086188 1799896 10.33 904946 4643572 34274 02:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.21 1.21 0.13 0.13 0.00 0.00 0.00 0.00 02:10:03 ens3 113.61 89.17 880.38 19.67 0.00 0.00 0.00 0.00 02:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 lo 1493.30 1493.30 1421.40 1421.40 0.00 0.00 0.00 0.00 02:20:01 ens3 99.33 72.92 424.31 39.73 0.00 0.00 0.00 0.00 02:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 749.93 749.93 713.31 713.31 0.00 0.00 0.00 0.00 Average: ens3 106.44 81.02 651.53 29.74 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-10959) 02/16/26 _x86_64_ (4 CPU) 01:57:19 LINUX RESTART (4 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 60.73 0.07 2.06 0.14 0.09 36.91 02:10:03 0 61.21 0.03 2.12 0.13 0.09 36.42 02:10:03 1 59.39 0.13 1.95 0.14 0.08 38.30 02:10:03 2 60.98 0.02 2.24 0.10 0.09 36.57 02:10:03 3 61.35 0.09 1.93 0.18 0.09 36.35 02:20:01 all 66.19 0.00 2.60 0.18 0.09 30.94 02:20:01 0 69.13 0.00 2.70 0.27 0.09 27.81 02:20:01 1 67.83 0.00 2.89 0.13 0.09 29.06 02:20:01 2 63.34 0.00 2.41 0.15 0.09 34.00 02:20:01 3 64.47 0.00 2.39 0.19 0.09 32.87 Average: all 63.47 0.03 2.33 0.16 0.09 33.91 Average: 0 65.18 0.02 2.41 0.20 0.09 32.10 Average: 1 63.63 0.06 2.42 0.14 0.09 33.66 Average: 2 62.17 0.01 2.33 0.13 0.09 35.28 Average: 3 62.92 0.05 2.16 0.18 0.09 34.60