---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22530 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 18G 60G 23% / 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 728 11367 4 3892 14918 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:7c:e0:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82442sec preferred_lft 82442sec inet6 fe80::f816:3eff:fe7c:e045/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:ee:cc:88:62:1c 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 inet6 fe80::28ee:ccff:fe88:621c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-22530) 06/02/26 _x86_64_ (4 CPU) 08:30:11 LINUX RESTART (4 CPU) 08:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 70.08 22.24 45.37 2.47 292.01 5010.32 2177.79 09:00:02 18.96 8.31 10.12 0.53 112.65 307.41 570.78 09:10:03 7.69 0.22 7.10 0.37 11.61 255.57 703.78 09:20:01 17.43 0.10 16.44 0.89 4.57 983.68 725.63 09:30:03 4.82 0.00 4.66 0.16 0.64 121.14 51.25 Average: 23.75 6.16 16.70 0.88 84.11 1331.38 844.10 08:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 1881056 4907608 11022696 67.32 267516 2751668 11868676 68.13 2033552 11871896 392 09:00:02 6882072 9963416 5970220 36.46 269332 2804744 7071960 40.59 2096396 6825776 5980 09:10:03 6570164 9671304 6264036 38.26 270776 2823108 7050512 40.47 2104348 7135588 440 09:20:01 7976540 11283652 4652784 28.42 278756 3020932 5441880 31.24 2149224 5701524 212 09:30:03 7876184 11197756 4738520 28.94 279528 3034648 5354152 30.73 2157560 5777708 264 Average: 6237203 9404747 6529651 39.88 273182 2887020 7357436 42.23 2108216 7462498 1458 08:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 36.97 36.97 21.00 21.00 0.00 0.00 0.00 0.00 08:50:01 ens3 1.92 1.75 0.45 0.39 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 32.97 32.97 13.45 13.45 0.00 0.00 0.00 0.00 09:00:02 ens3 0.86 0.77 0.19 0.16 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 11.47 11.47 7.02 7.02 0.00 0.00 0.00 0.00 09:10:03 ens3 0.82 0.62 0.19 1.05 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 14.71 14.71 8.47 8.47 0.00 0.00 0.00 0.00 09:20:01 ens3 1.16 1.14 0.36 0.33 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 15.40 15.40 6.43 6.43 0.00 0.00 0.00 0.00 09:30:03 ens3 0.56 0.57 0.12 0.10 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.29 22.29 11.26 11.26 0.00 0.00 0.00 0.00 Average: ens3 1.06 0.97 0.26 0.41 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-16g-22530) 06/02/26 _x86_64_ (4 CPU) 08:30:11 LINUX RESTART (4 CPU) 08:40:03 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 57.25 0.00 2.29 0.07 0.11 40.28 08:50:01 0 57.62 0.00 2.21 0.09 0.11 39.96 08:50:01 1 56.79 0.00 2.41 0.03 0.11 40.65 08:50:01 2 57.31 0.00 2.31 0.09 0.11 40.18 08:50:01 3 57.27 0.00 2.21 0.06 0.11 40.35 09:00:02 all 23.13 0.00 1.11 0.06 0.10 75.60 09:00:02 0 23.19 0.00 1.04 0.05 0.10 75.62 09:00:02 1 23.04 0.00 1.17 0.04 0.10 75.64 09:00:02 2 23.23 0.00 1.18 0.04 0.10 75.45 09:00:02 3 23.06 0.00 1.05 0.12 0.10 75.67 09:10:03 all 16.52 0.00 0.66 0.07 0.09 82.66 09:10:03 0 15.84 0.00 0.65 0.04 0.08 83.38 09:10:03 1 16.77 0.00 0.64 0.06 0.09 82.44 09:10:03 2 16.62 0.00 0.72 0.09 0.09 82.47 09:10:03 3 16.84 0.00 0.65 0.08 0.09 82.35 09:20:01 all 25.13 0.00 0.94 0.21 0.09 73.63 09:20:01 0 24.72 0.00 0.91 0.21 0.09 74.07 09:20:01 1 24.98 0.00 0.95 0.39 0.09 73.60 09:20:01 2 24.98 0.00 0.84 0.07 0.08 74.02 09:20:01 3 25.84 0.00 1.05 0.18 0.09 72.85 09:30:03 all 8.21 0.00 0.41 0.03 0.07 91.29 09:30:03 0 8.09 0.00 0.38 0.00 0.06 91.46 09:30:03 1 8.59 0.00 0.39 0.01 0.07 90.95 09:30:03 2 8.34 0.00 0.37 0.00 0.06 91.22 09:30:03 3 7.82 0.00 0.49 0.10 0.08 91.52 Average: all 26.00 0.00 1.08 0.09 0.09 72.74 Average: 0 25.84 0.00 1.04 0.08 0.09 72.95 Average: 1 25.98 0.00 1.11 0.11 0.09 72.71 Average: 2 26.05 0.00 1.08 0.06 0.09 72.72 Average: 3 26.12 0.00 1.09 0.11 0.09 72.59