---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37166 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 661 8720 4 6607 14985 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:56:04:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84466sec preferred_lft 84466sec inet6 fe80::f816:3eff:fe56:496/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:89:56:15:6b:24 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37166) 03/25/26 _x86_64_ (4 CPU) 09:28:32 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:13 39.62 3.84 32.19 3.59 193.84 5816.12 18040.26 09:50:13 28.32 0.01 25.42 2.89 0.20 2382.48 31542.05 10:00:01 16.32 0.04 14.97 1.31 1.63 9332.93 7636.44 Average: 28.24 1.32 24.31 2.61 66.48 5819.95 19144.05 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:13 9787012 13344004 2613616 15.96 136708 3547824 3020732 17.34 694968 5516168 35264 09:50:13 9072836 13056892 2897212 17.69 162508 3915752 2926496 16.80 817844 6061204 41172 10:00:01 8944092 15340700 606168 3.70 178792 6232368 1087472 6.24 1653548 5241444 37268 Average: 9267980 13913865 2038999 12.45 159336 4565315 2344900 13.46 1055453 5606272 37901 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:13 lo 1639.37 1639.37 1556.98 1556.98 0.00 0.00 0.00 0.00 09:40:13 ens3 111.80 82.88 1067.24 15.61 0.00 0.00 0.00 0.00 09:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:13 lo 1299.45 1299.45 1237.07 1237.07 0.00 0.00 0.00 0.00 09:50:13 ens3 27.71 22.55 40.90 7.32 0.00 0.00 0.00 0.00 09:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 2671.38 2671.38 9660.49 9660.49 0.00 0.00 0.00 0.00 10:00:01 ens3 38.22 31.96 140.58 34.96 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1863.15 1863.15 4097.47 4097.47 0.00 0.00 0.00 0.00 Average: ens3 59.72 46.13 422.28 19.17 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37166) 03/25/26 _x86_64_ (4 CPU) 09:28:32 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:13 all 66.74 0.00 2.75 0.18 0.13 30.20 09:40:13 0 65.26 0.00 2.64 0.16 0.13 31.82 09:40:13 1 64.98 0.00 2.76 0.17 0.13 31.96 09:40:13 2 69.30 0.00 2.99 0.30 0.13 27.29 09:40:13 3 67.44 0.00 2.60 0.11 0.12 29.73 09:50:13 all 65.10 0.00 2.41 0.13 0.12 32.25 09:50:13 0 65.38 0.00 2.57 0.10 0.12 31.83 09:50:13 1 65.60 0.00 2.41 0.18 0.12 31.69 09:50:13 2 64.27 0.00 2.23 0.08 0.12 33.29 09:50:13 3 65.13 0.00 2.45 0.15 0.12 32.16 10:00:01 all 40.65 0.00 1.63 0.62 0.12 56.99 10:00:01 0 33.77 0.00 1.74 1.29 0.11 63.09 10:00:01 1 38.97 0.00 1.20 0.42 0.11 59.30 10:00:01 2 48.90 0.00 1.53 0.08 0.13 49.35 10:00:01 3 40.98 0.00 2.06 0.67 0.12 56.17 Average: all 57.67 0.00 2.27 0.31 0.12 39.64 Average: 0 55.00 0.00 2.32 0.51 0.12 42.05 Average: 1 56.68 0.00 2.13 0.26 0.12 40.81 Average: 2 60.96 0.00 2.26 0.16 0.13 36.49 Average: 3 58.02 0.00 2.37 0.30 0.12 39.18