---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15067 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 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 683 8450 4 6855 14962 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:dc:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:fe8b:dc4b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:dd:47:8a:d6:6d 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-15067) 02/19/26 _x86_64_ (4 CPU) 08:02:09 LINUX RESTART (4 CPU) 08:10:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:13 24.10 0.01 21.40 2.69 0.22 2070.60 19451.21 08:30:42 20.05 0.02 18.20 1.83 0.46 3787.42 35930.74 Average: 21.99 0.02 19.73 2.24 0.34 2964.49 28031.59 08:10:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:13 8952268 13042856 2911096 17.78 152892 4028776 2860144 16.42 962756 6034820 16900 08:30:42 5152844 10208888 5741288 35.07 165056 4941416 5363608 30.79 1238692 9484464 29608 Average: 7052556 11625872 4326192 26.42 158974 4485096 4111876 23.60 1100724 7759642 23254 08:10:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:13 lo 1279.92 1279.92 1217.53 1217.53 0.00 0.00 0.00 0.00 08:20:13 ens3 24.86 19.39 11.10 6.46 0.00 0.00 0.00 0.00 08:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:42 lo 917.82 917.82 6911.66 6911.66 0.00 0.00 0.00 0.00 08:30:42 ens3 18.35 14.42 20.62 4.84 0.00 0.00 0.00 0.00 08:30:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1091.39 1091.39 4182.29 4182.29 0.00 0.00 0.00 0.00 Average: ens3 21.47 16.80 16.06 5.62 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-15067) 02/19/26 _x86_64_ (4 CPU) 08:02:09 LINUX RESTART (4 CPU) 08:10:34 CPU %user %nice %system %iowait %steal %idle 08:20:13 all 66.82 0.00 2.56 0.09 0.09 30.43 08:20:13 0 65.13 0.00 2.42 0.16 0.10 32.20 08:20:13 1 69.31 0.00 2.70 0.06 0.09 27.84 08:20:13 2 65.74 0.00 2.64 0.10 0.10 31.41 08:20:13 3 67.11 0.00 2.46 0.06 0.10 30.27 08:30:42 all 51.76 0.00 1.89 0.11 0.09 46.15 08:30:42 0 51.64 0.00 2.10 0.14 0.09 46.03 08:30:42 1 56.78 0.00 1.82 0.03 0.09 41.29 08:30:42 2 53.99 0.00 1.73 0.07 0.09 44.12 08:30:42 3 44.63 0.00 1.92 0.20 0.09 53.17 Average: all 58.97 0.00 2.21 0.10 0.09 38.62 Average: 0 58.10 0.00 2.25 0.15 0.09 39.40 Average: 1 62.78 0.00 2.24 0.04 0.09 34.85 Average: 2 59.62 0.00 2.17 0.08 0.09 38.03 Average: 3 55.40 0.00 2.18 0.13 0.09 42.20