---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-7974 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 18G 61G 23% / 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 711 11078 4 4199 14935 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:2b:a9:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80152sec preferred_lft 80152sec inet6 fe80::f816:3eff:fe2b:a997/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:11:72:fd:76:ad 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-16g-7974) 02/05/26 _x86_64_ (4 CPU) 17:04:39 LINUX RESTART (4 CPU) 17:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:14 97.77 23.53 70.28 3.95 361.71 11271.67 5750.40 17:30:01 18.53 0.36 17.21 0.96 10.11 454.81 633.62 17:40:13 8.95 0.13 8.34 0.48 11.13 505.43 586.46 17:50:13 18.28 0.03 17.42 0.82 1.27 511.55 910.36 18:00:01 7.11 0.01 6.79 0.31 0.74 185.59 127.91 18:10:13 4.90 0.00 4.74 0.16 0.16 119.69 52.49 18:20:00 5.82 0.01 5.64 0.17 1.08 148.98 254.55 18:30:00 21.60 0.06 5.57 15.97 1.36 146.89 210909.60 18:40:00 11.24 0.01 10.62 0.61 0.68 625.34 190.73 Average: 21.63 2.70 16.32 2.61 43.41 1560.81 24429.69 17:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:14 5762476 8937768 6996744 42.73 262764 2912168 7936368 45.55 2006240 8052776 2856 17:30:01 3889788 7093764 8841396 54.00 265924 2937960 9581864 55.00 2049176 9856088 128 17:40:13 9416576 12717164 3222000 19.68 269916 3030544 4272128 24.52 2072676 4340672 1608 17:50:13 9453868 12811136 3128348 19.11 273260 3083848 3820596 21.93 2095504 4292536 100 18:00:01 7850244 11229288 4709276 28.76 274488 3104396 5378972 30.88 2097900 5889008 200 18:10:13 7900528 11293472 4645008 28.37 275084 3117704 5336040 30.63 2099172 5833292 236 18:20:00 6527532 9937156 6000628 36.65 275572 3133896 6682992 38.36 2101264 7202404 384 18:30:00 6261152 9692548 6245056 38.14 276408 3154836 6842060 39.27 2109396 7445208 320 18:40:00 7824960 11388008 4550652 27.79 280608 3279996 5261300 30.20 2125340 5880892 336 Average: 7209680 10566700 5371012 32.80 272669 3083928 6123591 35.15 2084074 6532542 685 17:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:14 lo 20.47 20.47 16.89 16.89 0.00 0.00 0.00 0.00 17:20:14 ens3 3.29 2.77 31.41 1.47 0.00 0.00 0.00 0.00 17:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 47.81 47.81 20.81 20.81 0.00 0.00 0.00 0.00 17:30:01 ens3 1.71 1.49 0.40 0.34 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:13 lo 11.42 11.42 4.58 4.58 0.00 0.00 0.00 0.00 17:40:13 ens3 0.75 0.49 0.26 0.18 0.00 0.00 0.00 0.00 17:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:13 lo 13.34 13.34 7.75 7.75 0.00 0.00 0.00 0.00 17:50:13 ens3 1.11 1.00 0.24 0.20 0.00 0.00 0.00 0.00 17:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 19.85 19.85 9.53 9.53 0.00 0.00 0.00 0.00 18:00:01 ens3 0.81 0.61 0.20 0.15 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:13 lo 18.38 18.38 6.61 6.61 0.00 0.00 0.00 0.00 18:10:13 ens3 0.66 0.43 0.20 0.14 0.00 0.00 0.00 0.00 18:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:00 lo 26.36 26.36 11.75 11.75 0.00 0.00 0.00 0.00 18:20:00 ens3 0.55 0.48 0.11 0.09 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:00 lo 17.63 17.63 10.47 10.47 0.00 0.00 0.00 0.00 18:30:00 ens3 0.77 0.55 0.22 0.16 0.00 0.00 0.00 0.00 18:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:00 lo 17.93 17.93 9.98 9.98 0.00 0.00 0.00 0.00 18:40:00 ens3 1.01 0.87 0.28 0.23 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.36 21.36 10.89 10.89 0.00 0.00 0.00 0.00 Average: ens3 1.18 0.97 3.73 0.33 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-16g-7974) 02/05/26 _x86_64_ (4 CPU) 17:04:39 LINUX RESTART (4 CPU) 17:10:11 CPU %user %nice %system %iowait %steal %idle 17:20:14 all 53.80 0.00 2.22 0.66 0.09 43.22 17:20:14 0 54.97 0.00 2.27 0.34 0.09 42.34 17:20:14 1 53.25 0.00 2.41 0.60 0.09 43.64 17:20:14 2 54.27 0.00 2.19 1.19 0.09 42.25 17:20:14 3 52.70 0.00 2.02 0.53 0.09 44.66 17:30:01 all 38.37 0.00 1.44 0.05 0.10 60.04 17:30:01 0 38.13 0.00 1.47 0.05 0.10 60.25 17:30:01 1 38.16 0.00 1.33 0.04 0.11 60.36 17:30:01 2 38.90 0.00 1.52 0.09 0.10 59.39 17:30:01 3 38.29 0.00 1.44 0.03 0.10 60.15 17:40:13 all 12.78 0.00 0.75 0.08 0.09 86.30 17:40:13 0 13.22 0.00 0.77 0.10 0.10 85.81 17:40:13 1 12.94 0.00 0.84 0.13 0.10 86.00 17:40:13 2 12.85 0.00 0.71 0.08 0.09 86.27 17:40:13 3 12.11 0.00 0.67 0.02 0.09 87.12 17:50:13 all 29.02 0.00 1.03 0.06 0.09 69.80 17:50:13 0 28.78 0.00 1.05 0.04 0.08 70.05 17:50:13 1 29.35 0.00 1.04 0.11 0.09 69.41 17:50:13 2 28.71 0.00 1.07 0.02 0.09 70.11 17:50:13 3 29.24 0.00 0.97 0.08 0.09 69.62 18:00:01 all 13.51 0.00 0.53 0.02 0.09 85.85 18:00:01 0 13.50 0.00 0.43 0.00 0.09 85.98 18:00:01 1 13.63 0.00 0.50 0.04 0.09 85.74 18:00:01 2 12.95 0.00 0.59 0.04 0.09 86.33 18:00:01 3 13.97 0.00 0.59 0.01 0.09 85.34 18:10:13 all 7.17 0.00 0.39 0.02 0.09 92.33 18:10:13 0 7.14 0.00 0.35 0.02 0.08 92.41 18:10:13 1 7.06 0.00 0.46 0.02 0.10 92.37 18:10:13 2 6.97 0.00 0.41 0.03 0.10 92.49 18:10:13 3 7.51 0.00 0.33 0.02 0.09 92.05 18:20:00 all 9.91 0.00 0.52 0.02 0.09 89.46 18:20:00 0 9.71 0.00 0.52 0.04 0.08 89.64 18:20:00 1 9.63 0.00 0.53 0.02 0.09 89.73 18:20:00 2 9.88 0.00 0.48 0.02 0.10 89.52 18:20:00 3 10.40 0.00 0.56 0.02 0.09 88.93 18:30:00 all 9.25 0.00 0.50 0.06 0.10 90.10 18:30:00 0 9.52 0.00 0.44 0.01 0.09 89.95 18:30:00 1 9.12 0.00 0.55 0.12 0.10 90.11 18:30:00 2 9.37 0.00 0.53 0.06 0.10 89.95 18:30:00 3 8.98 0.00 0.48 0.06 0.10 90.39 18:40:00 all 18.41 0.00 0.71 0.05 0.09 80.75 18:40:00 0 17.51 0.00 0.67 0.03 0.09 81.71 18:40:00 1 18.12 0.00 0.73 0.04 0.09 81.02 18:40:00 2 18.83 0.00 0.71 0.04 0.09 80.32 18:40:00 3 19.18 0.00 0.73 0.08 0.09 79.93 Average: all 21.33 0.00 0.90 0.12 0.09 77.57 Average: 0 21.36 0.00 0.89 0.07 0.09 77.60 Average: 1 21.22 0.00 0.93 0.13 0.09 77.63 Average: 2 21.39 0.00 0.91 0.17 0.10 77.43 Average: 3 21.33 0.00 0.86 0.09 0.09 77.62