---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53135 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 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 680 8758 4 6550 14966 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:c8:1a:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84016sec preferred_lft 84016sec inet6 fe80::f816:3eff:fec8:1a47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:61:78:66:32:24 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-53135) 03/26/26 _x86_64_ (4 CPU) 11:09:41 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:28 75.03 10.99 49.55 14.49 1396.87 9070.30 234475.23 11:30:29 24.95 0.03 22.32 2.59 0.65 2159.44 5115.42 11:40:12 27.78 0.02 25.05 2.71 0.36 4203.83 7248.45 Average: 43.23 3.83 32.64 6.76 484.89 5214.54 85363.25 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:28 10343796 13568128 2393552 14.62 126304 3247360 2635624 15.13 585164 5095568 18184 11:30:29 8800480 12637940 3318816 20.27 150652 3787328 3384216 19.43 749116 6417880 185980 11:40:12 5924612 10572904 5380076 32.86 165312 4548452 5330684 30.60 1011112 8976972 6484 Average: 8356296 12259657 3697481 22.58 147423 3861047 3783508 21.72 781797 6830140 70216 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:28 lo 689.96 689.96 656.96 656.96 0.00 0.00 0.00 0.00 11:20:28 ens3 145.72 113.73 1279.64 23.87 0.00 0.00 0.00 0.00 11:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:29 lo 1367.45 1367.45 1296.76 1296.76 0.00 0.00 0.00 0.00 11:30:29 ens3 31.41 27.20 21.89 10.93 0.00 0.00 0.00 0.00 11:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 975.56 975.56 971.11 971.11 0.00 0.00 0.00 0.00 11:40:12 ens3 36.33 28.04 49.60 11.47 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1006.34 1006.34 970.04 970.04 0.00 0.00 0.00 0.00 Average: ens3 72.65 57.49 467.10 15.59 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-53135) 03/26/26 _x86_64_ (4 CPU) 11:09:41 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:28 all 33.85 0.00 1.78 1.44 0.08 62.85 11:20:28 0 32.70 0.00 1.75 1.79 0.08 63.68 11:20:28 1 35.27 0.00 1.91 1.01 0.08 61.72 11:20:28 2 33.50 0.00 1.49 2.32 0.08 62.62 11:20:28 3 33.92 0.00 1.96 0.66 0.09 63.38 11:30:29 all 66.47 0.00 2.35 0.22 0.12 30.84 11:30:29 0 66.64 0.00 2.16 0.07 0.12 31.01 11:30:29 1 65.83 0.00 2.19 0.11 0.12 31.75 11:30:29 2 66.19 0.00 2.68 0.48 0.12 30.54 11:30:29 3 67.20 0.00 2.40 0.22 0.12 30.06 11:40:12 all 54.97 0.00 2.22 0.25 0.11 42.45 11:40:12 0 55.17 0.00 2.05 0.11 0.12 42.56 11:40:12 1 53.91 0.00 2.27 0.15 0.11 43.56 11:40:12 2 56.04 0.00 2.51 0.32 0.11 41.01 11:40:12 3 54.75 0.00 2.05 0.41 0.11 42.68 Average: all 51.45 0.00 2.11 0.65 0.10 45.68 Average: 0 51.17 0.00 1.98 0.68 0.11 46.06 Average: 1 51.39 0.00 2.12 0.44 0.10 45.95 Average: 2 51.57 0.00 2.21 1.07 0.10 45.05 Average: 3 51.65 0.00 2.13 0.43 0.11 45.68