---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-451647 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 687 8414 4 6887 14958 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:0c:90:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84534sec preferred_lft 84534sec inet6 fe80::f816:3eff:fe0c:9059/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:55:60:dc:89:6c 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-451647) 03/12/26 _x86_64_ (4 CPU) 11:39:53 LINUX RESTART (4 CPU) 11:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:00 88.26 12.47 58.60 17.19 1943.71 15313.96 249090.71 12:00:06 25.04 0.02 22.48 2.54 0.22 2227.57 6123.00 12:10:00 22.64 0.03 21.05 1.56 0.40 9464.38 32595.54 Average: 45.31 4.17 34.04 7.10 647.75 8975.60 95803.83 11:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:00 9623700 13272772 2684508 16.40 135208 3646444 2713560 15.58 775388 5600768 14108 12:00:06 8570276 12637028 3316888 20.26 155352 4009404 3220528 18.49 891324 6496100 20792 12:10:00 5995340 12679796 3265072 19.94 177236 6515148 3205076 18.40 1784132 8077180 29124 Average: 8063105 12863199 3088823 18.87 155932 4723665 3046388 17.49 1150281 6724683 21341 11:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:00 lo 1424.77 1424.77 1351.53 1351.53 0.00 0.00 0.00 0.00 11:50:00 ens3 161.56 113.69 1498.86 21.44 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:06 lo 1133.73 1133.73 1080.08 1080.08 0.00 0.00 0.00 0.00 12:00:06 ens3 22.23 20.26 38.31 6.35 0.00 0.00 0.00 0.00 12:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 681.00 681.00 7331.60 7331.60 0.00 0.00 0.00 0.00 12:10:00 ens3 27.67 23.57 143.56 7.03 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1081.28 1081.28 3233.67 3233.67 0.00 0.00 0.00 0.00 Average: ens3 70.44 52.48 559.63 11.60 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-451647) 03/12/26 _x86_64_ (4 CPU) 11:39:53 LINUX RESTART (4 CPU) 11:40:00 CPU %user %nice %system %iowait %steal %idle 11:50:00 all 57.85 0.00 2.77 1.11 0.12 38.15 11:50:00 0 57.86 0.00 2.57 0.63 0.11 38.82 11:50:00 1 58.08 0.00 2.91 0.96 0.12 37.92 11:50:00 2 58.19 0.00 3.03 1.51 0.11 37.16 11:50:00 3 57.27 0.00 2.58 1.33 0.12 38.70 12:00:06 all 66.65 0.00 2.33 0.12 0.14 30.75 12:00:06 0 65.96 0.00 2.45 0.12 0.14 31.33 12:00:06 1 65.68 0.00 2.29 0.11 0.14 31.78 12:00:06 2 67.27 0.00 2.27 0.17 0.14 30.15 12:00:06 3 67.71 0.00 2.31 0.09 0.14 29.75 12:10:00 all 45.83 0.00 1.75 0.56 0.11 51.75 12:10:00 0 39.66 0.00 1.52 0.37 0.11 58.34 12:10:00 1 45.48 0.00 1.71 0.61 0.11 52.08 12:10:00 2 48.28 0.00 2.04 0.21 0.12 49.35 12:10:00 3 49.90 0.00 1.73 1.04 0.11 47.22 Average: all 56.83 0.00 2.28 0.60 0.12 40.16 Average: 0 54.56 0.00 2.18 0.37 0.12 42.76 Average: 1 56.46 0.00 2.31 0.56 0.12 40.55 Average: 2 57.97 0.00 2.45 0.63 0.12 38.83 Average: 3 58.35 0.00 2.21 0.82 0.13 38.50