---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34870 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 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 748 9393 4 5847 14898 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:36:06:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83873sec preferred_lft 83873sec inet6 fe80::f816:3eff:fe36:62d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b0:1a:c4:54:d7 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-34870) 07/11/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:11 17.04 2.26 13.66 1.11 134.85 4373.92 2176.87 20:50:10 50.00 0.31 40.68 9.01 9.92 3438.54 9713.76 21:00:11 41.80 0.15 34.22 7.44 9.92 5259.22 11246.51 Average: 36.28 0.90 29.52 5.85 51.56 4357.61 7713.17 20:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:11 9347864 13089404 2866744 17.51 166964 3656616 3122644 17.92 657300 5922820 172 20:50:10 8765804 13176424 2773464 16.94 203964 4236216 2855540 16.39 814272 6293324 8844 21:00:11 9763300 15383732 561668 3.43 240864 5341424 1127780 6.47 1205956 4824620 48 Average: 9292323 13883187 2067292 12.63 203931 4411419 2368655 13.60 892509 5680255 3021 20:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:11 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 20:40:11 ens3 98.92 76.74 413.23 21.31 0.00 0.00 0.00 0.00 20:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 4622.91 4622.91 4409.13 4409.13 0.00 0.00 0.00 0.00 20:50:10 ens3 76.44 56.81 263.35 16.53 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 3625.42 3625.42 3453.08 3453.08 0.00 0.00 0.00 0.00 21:00:11 ens3 84.32 70.56 103.86 55.60 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2749.92 2749.92 2620.81 2620.81 0.00 0.00 0.00 0.00 Average: ens3 86.56 68.04 260.10 31.15 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-34870) 07/11/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:11 CPU %user %nice %system %iowait %steal %idle 20:40:11 all 66.53 0.00 2.23 0.07 0.08 31.08 20:40:11 0 66.32 0.00 2.25 0.10 0.09 31.24 20:40:11 1 67.14 0.00 2.02 0.08 0.08 30.67 20:40:11 2 65.18 0.00 2.36 0.05 0.09 32.32 20:40:11 3 67.47 0.00 2.29 0.05 0.08 30.11 20:50:10 all 54.87 0.00 3.42 0.10 0.07 41.53 20:50:10 0 53.80 0.00 3.10 0.08 0.08 42.94 20:50:10 1 55.86 0.00 3.42 0.10 0.07 40.56 20:50:10 2 55.10 0.00 3.51 0.14 0.07 41.18 20:50:10 3 54.74 0.00 3.67 0.07 0.07 41.45 21:00:11 all 56.70 0.00 3.35 0.13 0.09 39.73 21:00:11 0 54.05 0.00 3.00 0.06 0.09 42.80 21:00:11 1 58.68 0.00 2.97 0.18 0.09 38.08 21:00:11 2 56.54 0.00 3.64 0.16 0.10 39.56 21:00:11 3 57.52 0.00 3.77 0.14 0.09 38.48 Average: all 59.37 0.00 3.00 0.10 0.08 37.45 Average: 0 58.06 0.00 2.78 0.08 0.09 38.99 Average: 1 60.57 0.00 2.80 0.12 0.08 36.43 Average: 2 58.95 0.00 3.17 0.12 0.08 37.68 Average: 3 59.92 0.00 3.24 0.08 0.08 36.68