---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46534 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 65G 17% / 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 663 7935 4 7390 14982 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:10:aa:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83467sec preferred_lft 83467sec inet6 fe80::f816:3eff:fe10:aa6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:72:e5:da:ce: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 ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46534) 09/01/26 _x86_64_ (4 CPU) 07:11:26 LINUX RESTART (4 CPU) 07:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:12 30.72 2.32 25.30 3.10 141.91 4279.13 7866.95 07:40:01 30.30 0.02 27.09 3.19 0.56 2285.55 15933.34 07:50:12 10.53 0.02 9.62 0.88 0.45 3175.94 4668.32 08:00:12 13.76 0.19 11.56 2.00 13.63 7279.56 1474.27 Average: 21.28 0.64 18.35 2.29 39.52 4258.89 7439.51 07:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:12 8935112 12898624 3056940 18.67 153652 3912872 3093312 17.76 796684 6226580 16628 07:40:01 8311680 12750300 3201772 19.56 173296 4335956 3133728 17.99 906920 6696984 141028 07:50:12 5094276 10203672 5745828 35.09 180596 4975548 5354716 30.74 1131176 9652576 372 08:00:12 8129208 15343528 599120 3.66 202144 6992448 1159336 6.65 1905256 5788992 13036 Average: 7617569 12799031 3150915 19.24 177422 5054206 3185273 18.28 1185009 7091283 42766 07:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:12 lo 1568.91 1568.91 1488.89 1488.89 0.00 0.00 0.00 0.00 07:30:12 ens3 73.48 55.64 518.77 15.49 0.00 0.00 0.00 0.00 07:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 1534.71 1534.71 1462.35 1462.35 0.00 0.00 0.00 0.00 07:40:01 ens3 28.35 21.79 19.57 9.52 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:12 lo 555.29 555.29 6922.82 6922.82 0.00 0.00 0.00 0.00 07:50:12 ens3 14.49 10.34 10.30 5.28 0.00 0.00 0.00 0.00 07:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:12 lo 2201.25 2201.25 2442.57 2442.57 0.00 0.00 0.00 0.00 08:00:12 ens3 99.02 106.85 154.33 1277.06 0.00 0.00 0.00 0.00 08:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1461.28 1461.28 3096.35 3096.35 0.00 0.00 0.00 0.00 Average: ens3 53.85 48.63 176.97 325.66 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46534) 09/01/26 _x86_64_ (4 CPU) 07:11:26 LINUX RESTART (4 CPU) 07:20:03 CPU %user %nice %system %iowait %steal %idle 07:30:12 all 69.14 0.00 2.94 0.09 0.03 27.79 07:30:12 0 67.88 0.00 2.94 0.05 0.04 29.09 07:30:12 1 69.19 0.00 3.27 0.04 0.02 27.47 07:30:12 2 69.66 0.00 2.61 0.14 0.04 27.55 07:30:12 3 69.84 0.00 2.92 0.14 0.03 27.06 07:40:01 all 60.67 0.00 2.87 0.11 0.03 36.32 07:40:01 0 59.90 0.00 2.55 0.06 0.03 37.46 07:40:01 1 59.72 0.00 2.87 0.08 0.03 37.30 07:40:01 2 61.43 0.00 3.17 0.20 0.03 35.17 07:40:01 3 61.63 0.00 2.91 0.08 0.03 35.36 07:50:12 all 33.82 0.00 1.40 0.09 0.02 64.67 07:50:12 0 35.87 0.00 1.64 0.06 0.02 62.41 07:50:12 1 35.32 0.00 1.30 0.07 0.02 63.29 07:50:12 2 27.60 0.00 1.46 0.10 0.01 70.83 07:50:12 3 36.50 0.00 1.21 0.12 0.02 62.16 08:00:12 all 20.30 0.00 1.15 0.17 0.01 78.36 08:00:12 0 16.33 0.00 1.30 0.17 0.01 82.19 08:00:12 1 22.58 0.00 1.10 0.31 0.01 76.00 08:00:12 2 18.63 0.00 1.05 0.07 0.01 80.24 08:00:12 3 23.70 0.00 1.15 0.14 0.01 74.99 Average: all 45.93 0.00 2.09 0.11 0.02 51.84 Average: 0 44.94 0.00 2.11 0.09 0.02 52.85 Average: 1 46.67 0.00 2.13 0.12 0.02 51.05 Average: 2 44.26 0.00 2.07 0.13 0.02 53.52 Average: 3 47.86 0.00 2.04 0.12 0.02 49.95