---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26410 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: 5599.94 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 61G 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 731 10700 3 4556 14911 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:db:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82896sec preferred_lft 82896sec inet6 fe80::f816:3eff:fe99:dbd4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:2e:7e:0f:8e:e3 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::702e:7eff:fe0f:8ee3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26410) 06/10/26 _x86_64_ (4 CPU) 08:10:09 LINUX RESTART (4 CPU) 08:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 40.81 20.21 19.59 1.01 250.84 2171.35 3012.27 08:40:10 5.34 0.04 5.08 0.22 0.94 131.62 699.99 08:50:10 9.23 0.04 8.79 0.40 2.37 264.65 776.57 09:00:01 13.67 0.25 12.84 0.59 8.57 871.95 875.12 Average: 17.14 5.07 11.51 0.55 64.90 851.64 1333.51 08:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 7253468 11121628 4807716 29.36 262260 3544720 5584544 32.06 1857732 6649304 296 08:40:10 7189016 11065296 4864332 29.71 263428 3551472 5603932 32.17 1873460 6687460 80 08:50:10 5785648 9678588 6250268 38.17 264764 3566864 7052868 40.48 1880660 8090816 164 09:00:01 7169444 11251524 4677972 28.57 272408 3745304 5348908 30.70 1909660 6682020 308 Average: 6849394 10779259 5150072 31.45 265715 3602090 5897563 33.85 1880378 7027400 212 08:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 13.91 13.91 12.69 12.69 0.00 0.00 0.00 0.00 08:30:01 ens3 1.42 0.87 0.44 0.36 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:10 lo 11.84 11.84 5.32 5.32 0.00 0.00 0.00 0.00 08:40:10 ens3 0.96 0.68 0.25 1.26 0.00 0.00 0.00 0.00 08:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:10 lo 9.93 9.93 6.16 6.16 0.00 0.00 0.00 0.00 08:50:10 ens3 0.67 0.43 0.19 0.13 0.00 0.00 0.00 0.00 08:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 18.10 18.10 9.63 9.63 0.00 0.00 0.00 0.00 09:00:01 ens3 1.17 1.16 0.36 0.34 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.42 13.42 8.42 8.42 0.00 0.00 0.00 0.00 Average: ens3 1.05 0.78 0.31 0.53 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-26410) 06/10/26 _x86_64_ (4 CPU) 08:10:09 LINUX RESTART (4 CPU) 08:20:10 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 22.78 0.00 1.09 0.07 0.08 75.99 08:30:01 0 22.28 0.00 0.96 0.04 0.07 76.65 08:30:01 1 22.85 0.00 1.18 0.03 0.08 75.85 08:30:01 2 23.13 0.00 1.22 0.05 0.09 75.52 08:30:01 3 22.85 0.00 0.98 0.16 0.08 75.93 08:40:10 all 9.33 0.00 0.46 0.03 0.07 90.12 08:40:10 0 9.63 0.00 0.53 0.03 0.07 89.74 08:40:10 1 8.77 0.00 0.44 0.03 0.07 90.68 08:40:10 2 9.83 0.00 0.47 0.01 0.07 89.62 08:40:10 3 9.08 0.00 0.38 0.04 0.06 90.43 08:50:10 all 16.89 0.00 0.71 0.11 0.07 82.22 08:50:10 0 17.01 0.00 0.67 0.10 0.07 82.15 08:50:10 1 17.12 0.00 0.72 0.09 0.07 81.99 08:50:10 2 16.05 0.00 0.76 0.20 0.08 82.91 08:50:10 3 17.38 0.00 0.67 0.05 0.07 81.83 09:00:01 all 21.20 0.00 0.86 0.09 0.07 77.78 09:00:01 0 22.89 0.00 0.82 0.05 0.07 76.18 09:00:01 1 21.17 0.00 0.88 0.21 0.07 77.67 09:00:01 2 20.39 0.00 0.88 0.06 0.07 78.59 09:00:01 3 20.36 0.00 0.86 0.04 0.07 78.69 Average: all 17.48 0.00 0.77 0.07 0.07 81.60 Average: 0 17.87 0.00 0.74 0.05 0.07 81.26 Average: 1 17.41 0.00 0.80 0.09 0.08 81.62 Average: 2 17.28 0.00 0.83 0.08 0.08 81.74 Average: 3 17.35 0.00 0.72 0.07 0.07 81.79