---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7612 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 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 718 9657 4 5613 14928 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:8b:a1:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84559sec preferred_lft 84559sec inet6 fe80::f816:3eff:fe8b:a176/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:73:4b:df:52:48 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-7612) 02/04/26 _x86_64_ (4 CPU) 06:26:27 LINUX RESTART (4 CPU) 06:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 30.18 3.10 24.74 2.34 564.96 5154.77 16137.16 06:50:19 34.72 0.07 31.09 3.56 1.51 5941.05 23151.80 Average: 32.51 1.54 28.00 2.97 275.60 5558.56 19739.51 06:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9662280 13401596 2553776 15.60 156436 3680800 2822536 16.20 827892 5460772 17248 06:50:19 7536628 12671120 3277664 20.02 186772 4971012 3418204 19.62 1126800 7220176 19336 Average: 8599454 13036358 2915720 17.81 171604 4325906 3120370 17.91 977346 6340474 18292 06:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 860.92 860.92 819.63 819.63 0.00 0.00 0.00 0.00 06:40:01 ens3 104.86 80.69 860.57 17.91 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:19 lo 1310.02 1310.02 1247.72 1247.72 0.00 0.00 0.00 0.00 06:50:19 ens3 65.74 49.19 212.98 14.14 0.00 0.00 0.00 0.00 06:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1091.55 1091.55 1039.47 1039.47 0.00 0.00 0.00 0.00 Average: ens3 84.77 64.51 528.00 15.98 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-7612) 02/04/26 _x86_64_ (4 CPU) 06:26:27 LINUX RESTART (4 CPU) 06:30:16 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 64.41 0.00 2.30 0.10 0.08 33.11 06:40:01 0 63.83 0.00 2.19 0.05 0.08 33.85 06:40:01 1 65.37 0.00 2.43 0.19 0.08 31.93 06:40:01 2 65.27 0.00 2.38 0.07 0.08 32.20 06:40:01 3 63.17 0.00 2.21 0.08 0.08 34.46 06:50:19 all 59.42 0.00 2.41 0.09 0.09 38.00 06:50:19 0 58.82 0.00 2.58 0.11 0.09 38.41 06:50:19 1 60.52 0.00 2.22 0.12 0.09 37.05 06:50:19 2 58.81 0.00 2.53 0.08 0.09 38.49 06:50:19 3 59.53 0.00 2.29 0.06 0.09 38.04 Average: all 61.85 0.00 2.36 0.09 0.08 35.62 Average: 0 61.25 0.00 2.39 0.08 0.08 36.19 Average: 1 62.88 0.00 2.32 0.15 0.08 34.56 Average: 2 61.95 0.00 2.46 0.08 0.09 35.43 Average: 3 61.30 0.00 2.25 0.07 0.08 36.30