---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15317 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 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 663 8964 4 6361 14983 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:99:c1:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83591sec preferred_lft 83591sec inet6 fe80::f816:3eff:fe99:c11b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:8c:75:ee:83:08 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15317) 12/20/25 _x86_64_ (4 CPU) 10:24:30 LINUX RESTART (4 CPU) 10:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:07 33.39 2.19 30.59 0.60 127.56 2163.72 1324.90 10:50:13 21.31 2.91 16.62 1.78 159.59 2755.96 6566.94 11:00:13 28.42 0.02 25.28 3.12 0.41 2360.38 38176.27 11:10:13 27.32 0.14 24.31 2.86 6.37 8839.38 19885.32 Average: 27.59 1.32 24.17 2.09 73.60 4029.15 16489.45 10:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:07 13046828 15508068 472576 2.89 94688 2561636 987136 5.67 380980 2631880 88 10:50:13 9974588 13226560 2734080 16.70 126868 3275008 2848044 16.35 666992 5382152 14096 11:00:13 9210336 12890216 3065976 18.73 149184 3642844 3075768 17.65 795512 5935968 7056 11:10:13 9195480 15347844 599676 3.66 171384 6010996 1099168 6.31 1636912 5025504 12 Average: 10356808 14243172 1718077 10.49 135531 3872621 2002529 11.49 870099 4743876 5313 10:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:07 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 10:40:07 ens3 44.60 30.93 267.31 7.11 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:13 lo 819.62 819.62 778.56 778.56 0.00 0.00 0.00 0.00 10:50:13 ens3 93.83 74.36 793.47 15.61 0.00 0.00 0.00 0.00 10:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:13 lo 1363.40 1363.40 1293.36 1293.36 0.00 0.00 0.00 0.00 11:00:13 ens3 43.20 32.71 23.53 12.24 0.00 0.00 0.00 0.00 11:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:13 lo 738.71 738.71 692.20 692.20 0.00 0.00 0.00 0.00 11:10:13 ens3 98.67 102.05 160.40 1026.01 0.00 0.00 0.00 0.00 11:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 731.84 731.84 692.32 692.32 0.00 0.00 0.00 0.00 Average: ens3 70.16 60.08 312.35 264.96 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15317) 12/20/25 _x86_64_ (4 CPU) 10:24:30 LINUX RESTART (4 CPU) 10:30:11 CPU %user %nice %system %iowait %steal %idle 10:40:07 all 2.50 0.00 0.29 0.25 0.03 96.93 10:40:07 0 2.72 0.00 0.26 0.40 0.02 96.61 10:40:07 1 1.09 0.00 0.26 0.38 0.02 98.25 10:40:07 2 3.21 0.00 0.28 0.17 0.03 96.31 10:40:07 3 2.99 0.00 0.37 0.04 0.05 96.55 10:50:13 all 35.82 0.00 1.46 0.14 0.06 62.52 10:50:13 0 35.13 0.00 1.40 0.18 0.06 63.23 10:50:13 1 35.97 0.00 1.47 0.12 0.06 62.37 10:50:13 2 35.86 0.00 1.71 0.21 0.06 62.16 10:50:13 3 36.29 0.00 1.27 0.06 0.06 62.32 11:00:13 all 65.09 0.00 2.43 0.14 0.09 32.25 11:00:13 0 65.12 0.00 2.36 0.16 0.09 32.27 11:00:13 1 66.03 0.00 2.49 0.14 0.09 31.25 11:00:13 2 63.88 0.00 2.27 0.17 0.09 33.59 11:00:13 3 65.32 0.00 2.61 0.07 0.09 31.91 11:10:13 all 36.31 0.00 1.61 0.27 0.07 61.73 11:10:13 0 40.35 0.00 1.71 0.38 0.07 57.50 11:10:13 1 30.11 0.00 1.28 0.10 0.07 68.43 11:10:13 2 40.83 0.00 1.86 0.11 0.08 57.12 11:10:13 3 33.96 0.00 1.59 0.51 0.07 63.87 Average: all 34.96 0.00 1.45 0.20 0.06 63.33 Average: 0 35.85 0.00 1.43 0.28 0.06 62.38 Average: 1 33.34 0.00 1.38 0.19 0.06 65.04 Average: 2 35.97 0.00 1.53 0.16 0.06 62.27 Average: 3 34.69 0.00 1.46 0.17 0.07 63.62