---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52738 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 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 647 8798 4 6543 14999 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:f7:d5:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84132sec preferred_lft 84132sec inet6 fe80::f816:3eff:fef7:d54b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:42:09:62:fa:53 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-52738) 03/25/26 _x86_64_ (4 CPU) 12:44:12 LINUX RESTART (4 CPU) 12:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:00 40.81 1.04 23.09 16.68 43.02 3566.55 242217.15 13:10:01 33.38 0.00 29.96 3.42 0.12 2529.62 10631.40 13:20:01 12.98 0.32 11.23 1.43 11.73 8644.04 39503.25 Average: 29.06 0.45 21.43 7.18 18.28 4912.92 97418.12 12:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:00 9418624 12950620 3008312 18.37 141284 3510616 3055332 17.54 692152 5875636 8404 13:10:01 8306004 12453852 3500500 21.38 164460 4063408 3454884 19.83 846640 6789160 212360 13:20:01 9044620 15385436 561424 3.43 178332 6173592 1103488 6.33 1635668 5170352 140 Average: 8923083 13596636 2356745 14.39 161359 4582539 2537901 14.57 1058153 5945049 73635 12:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:00 lo 1518.91 1518.91 1441.88 1441.88 0.00 0.00 0.00 0.00 13:00:00 ens3 91.73 68.38 448.40 16.89 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 1413.03 1413.03 1346.33 1346.33 0.00 0.00 0.00 0.00 13:10:01 ens3 43.21 33.03 46.18 11.50 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 245.87 245.87 6839.72 6839.72 0.00 0.00 0.00 0.00 13:20:01 ens3 83.03 91.95 148.95 1006.94 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1059.32 1059.32 3208.99 3208.99 0.00 0.00 0.00 0.00 Average: ens3 72.65 64.45 214.45 345.06 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-52738) 03/25/26 _x86_64_ (4 CPU) 12:44:12 LINUX RESTART (4 CPU) 12:50:00 CPU %user %nice %system %iowait %steal %idle 13:00:00 all 69.67 0.00 2.57 0.06 0.11 27.60 13:00:00 0 70.77 0.00 2.17 0.10 0.11 26.85 13:00:00 1 68.13 0.00 3.27 0.06 0.11 28.44 13:00:00 2 69.91 0.00 2.29 0.04 0.10 27.66 13:00:00 3 69.87 0.00 2.55 0.03 0.11 27.44 13:10:01 all 61.33 0.00 2.53 0.07 0.10 35.97 13:10:01 0 60.15 0.00 2.10 0.06 0.10 37.60 13:10:01 1 60.91 0.00 2.78 0.06 0.10 36.15 13:10:01 2 62.69 0.00 2.99 0.07 0.10 34.15 13:10:01 3 61.57 0.00 2.26 0.10 0.10 35.98 13:20:01 all 33.02 0.00 1.14 0.14 0.08 65.62 13:20:01 0 26.12 0.00 1.34 0.34 0.08 72.13 13:20:01 1 30.20 0.00 1.12 0.12 0.08 68.48 13:20:01 2 39.62 0.00 0.97 0.03 0.08 59.30 13:20:01 3 36.15 0.00 1.13 0.07 0.08 62.57 Average: all 54.66 0.00 2.08 0.09 0.09 43.08 Average: 0 52.33 0.00 1.87 0.16 0.09 45.54 Average: 1 53.07 0.00 2.39 0.08 0.10 44.36 Average: 2 57.39 0.00 2.08 0.05 0.09 40.39 Average: 3 55.85 0.00 1.98 0.07 0.09 42.01