---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19090 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 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 622 8756 4 6610 15024 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:c5:00:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84055sec preferred_lft 84055sec inet6 fe80::f816:3eff:fec5:63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:39:07:77:b8:87 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-19090) 02/19/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:07 22.55 0.07 19.81 2.67 6.38 2147.08 19055.41 19:30:01 45.96 0.01 28.64 17.32 0.24 2877.40 271251.72 19:40:07 14.69 0.19 12.84 1.66 12.41 7768.92 39435.29 Average: 27.64 0.09 20.38 7.17 6.38 4278.85 109208.96 19:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:07 9287312 12979864 2976960 18.18 143516 3664400 3095416 17.77 770488 5924992 40564 19:30:01 7940164 12705820 3246396 19.83 162908 4669308 3184012 18.28 1074196 6906624 569452 19:40:07 8946288 15359116 587112 3.59 177420 6248628 1130044 6.49 1692832 5218888 11028 Average: 8724588 13681600 2270156 13.87 161281 4860779 2469824 14.18 1179172 6016835 207015 19:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:07 lo 1350.64 1350.64 1280.46 1280.46 0.00 0.00 0.00 0.00 19:20:07 ens3 52.32 40.32 56.57 12.74 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1475.57 1475.57 1405.25 1405.25 0.00 0.00 0.00 0.00 19:30:01 ens3 45.64 36.93 31.20 13.20 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 251.45 251.45 6780.39 6780.39 0.00 0.00 0.00 0.00 19:40:07 ens3 88.26 96.21 116.13 1060.51 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1022.26 1022.26 3171.23 3171.23 0.00 0.00 0.00 0.00 Average: ens3 62.20 57.99 68.22 365.25 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-19090) 02/19/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:06 CPU %user %nice %system %iowait %steal %idle 19:20:07 all 69.27 0.00 2.40 0.04 0.13 28.16 19:20:07 0 67.33 0.00 2.04 0.03 0.13 30.47 19:20:07 1 69.25 0.00 2.74 0.05 0.13 27.84 19:20:07 2 70.11 0.00 2.45 0.03 0.13 27.29 19:20:07 3 70.38 0.00 2.38 0.07 0.13 27.04 19:30:01 all 64.10 0.00 2.56 0.11 0.11 33.11 19:30:01 0 62.49 0.00 2.46 0.08 0.11 34.84 19:30:01 1 62.44 0.00 2.41 0.17 0.11 34.87 19:30:01 2 67.56 0.00 2.77 0.11 0.11 29.45 19:30:01 3 63.91 0.00 2.60 0.08 0.11 33.29 19:40:07 all 27.96 0.00 0.99 0.25 0.07 70.74 19:40:07 0 28.96 0.00 1.08 0.17 0.07 69.72 19:40:07 1 28.77 0.00 1.26 0.51 0.07 69.39 19:40:07 2 29.54 0.00 0.78 0.06 0.06 69.56 19:40:07 3 24.54 0.00 0.83 0.26 0.07 74.30 Average: all 53.65 0.00 1.98 0.14 0.10 44.14 Average: 0 52.80 0.00 1.86 0.10 0.10 45.14 Average: 1 53.37 0.00 2.13 0.24 0.10 44.16 Average: 2 55.60 0.00 1.99 0.07 0.10 42.25 Average: 3 52.82 0.00 1.93 0.14 0.10 45.00