---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25 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: 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 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 638 9485 4 5865 15008 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:dc:24:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83986sec preferred_lft 83986sec inet6 fe80::f816:3eff:fedc:2488/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:be:df:8e:32:07 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-25) 03/17/26 _x86_64_ (4 CPU) 13:01:00 LINUX RESTART (4 CPU) 13:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:09 46.88 4.61 40.20 2.07 268.60 5253.23 13837.78 13:30:09 10.52 0.02 8.59 1.92 0.51 656.24 29198.36 13:40:01 49.37 12.22 32.56 4.58 138.96 8080.55 32784.72 Average: 35.58 5.58 27.16 2.85 136.65 4650.30 25183.92 13:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:09 10365516 13688100 2272004 13.88 119412 3338444 2691892 15.45 644208 4993972 24696 13:30:09 9673864 13129212 2828836 17.28 129332 3449472 3032456 17.41 672976 5630272 1352 13:40:01 6398596 12226588 3718900 22.71 169724 5659628 3847552 22.08 1606112 7827100 168188 Average: 8812659 13014633 2939913 17.96 139489 4149181 3190633 18.31 974432 6150448 64745 13:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:09 lo 0.71 0.71 0.09 0.09 0.00 0.00 0.00 0.00 13:20:09 ens3 104.95 77.11 892.67 14.89 0.00 0.00 0.00 0.00 13:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:09 lo 54.50 54.50 13.97 13.97 0.00 0.00 0.00 0.00 13:30:09 ens3 4.03 3.71 3.84 1.25 0.00 0.00 0.00 0.00 13:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 2615.56 2615.56 2515.65 2515.65 0.00 0.00 0.00 0.00 13:40:01 ens3 58.71 45.39 468.53 9.74 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 877.98 877.98 831.43 831.43 0.00 0.00 0.00 0.00 Average: ens3 56.12 42.22 457.05 8.65 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-25) 03/17/26 _x86_64_ (4 CPU) 13:01:00 LINUX RESTART (4 CPU) 13:10:01 CPU %user %nice %system %iowait %steal %idle 13:20:09 all 27.25 0.00 1.22 1.84 0.06 69.62 13:20:09 0 27.08 0.00 1.15 2.55 0.06 69.16 13:20:09 1 27.18 0.00 1.32 4.09 0.06 67.34 13:20:09 2 29.31 0.00 1.46 0.40 0.07 68.76 13:20:09 3 25.45 0.00 0.94 0.32 0.06 73.22 13:30:09 all 15.48 0.00 0.70 0.06 0.08 83.67 13:30:09 0 14.74 0.00 0.71 0.03 0.08 84.44 13:30:09 1 16.45 0.00 0.66 0.05 0.08 82.75 13:30:09 2 14.69 0.00 0.70 0.05 0.09 84.47 13:30:09 3 16.04 0.00 0.73 0.11 0.08 83.04 13:40:01 all 52.33 0.07 2.78 1.51 0.10 43.20 13:40:01 0 53.58 0.16 2.77 0.88 0.10 42.52 13:40:01 1 54.73 0.07 3.03 2.55 0.10 39.52 13:40:01 2 50.66 0.03 2.92 1.07 0.10 45.22 13:40:01 3 50.35 0.03 2.43 1.54 0.10 45.54 Average: all 31.55 0.02 1.56 1.14 0.08 65.65 Average: 0 31.66 0.05 1.53 1.16 0.08 65.51 Average: 1 32.62 0.02 1.66 2.24 0.08 63.37 Average: 2 31.44 0.01 1.69 0.50 0.09 66.28 Average: 3 30.48 0.01 1.36 0.65 0.08 67.42