---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8473 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 699 9554 4 5735 14946 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:6c:e2:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:fe6c:e23b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:29:f2:71:2f:dc 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-8473) 02/07/26 _x86_64_ (4 CPU) 12:36:38 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 44.95 3.19 25.89 15.88 754.84 5218.68 252911.33 13:00:11 34.58 0.06 31.17 3.35 1.46 5988.67 13369.17 Average: 39.73 1.61 28.55 9.56 375.36 5606.53 132252.38 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9310312 13164640 2790384 17.04 155768 3794044 3070012 17.62 912344 5730456 14000 13:00:11 7439292 12703360 3245384 19.82 183204 5102772 3402736 19.53 1207012 7233832 23444 Average: 8374802 12934000 3017884 18.43 169486 4448408 3236374 18.58 1059678 6482144 18722 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 851.01 851.01 810.43 810.43 0.00 0.00 0.00 0.00 12:50:01 ens3 103.69 80.12 843.27 18.18 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:11 lo 1240.27 1240.27 1181.10 1181.10 0.00 0.00 0.00 0.00 13:00:11 ens3 60.53 46.48 225.86 12.93 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 Average: lo 1047.08 1047.08 997.14 997.14 0.00 0.00 0.00 0.00 Average: ens3 81.95 63.18 532.27 15.53 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-8473) 02/07/26 _x86_64_ (4 CPU) 12:36:38 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 65.02 0.00 2.30 0.16 0.09 32.43 12:50:01 0 63.49 0.00 2.39 0.22 0.10 33.80 12:50:01 1 67.03 0.00 2.41 0.18 0.09 30.28 12:50:01 2 63.65 0.00 2.26 0.09 0.09 33.91 12:50:01 3 65.89 0.00 2.13 0.16 0.10 31.73 13:00:11 all 58.37 0.00 2.39 0.09 0.09 39.06 13:00:11 0 57.38 0.00 2.45 0.05 0.09 40.03 13:00:11 1 60.19 0.00 2.56 0.06 0.09 37.10 13:00:11 2 57.45 0.00 2.17 0.17 0.09 40.12 13:00:11 3 58.47 0.00 2.37 0.10 0.09 38.98 Average: all 61.67 0.00 2.34 0.13 0.09 35.77 Average: 0 60.41 0.00 2.42 0.14 0.09 36.94 Average: 1 63.59 0.00 2.48 0.12 0.09 33.71 Average: 2 60.53 0.00 2.21 0.13 0.09 37.04 Average: 3 62.15 0.00 2.25 0.13 0.09 35.38