---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39754 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 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 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 662 7614 4 7713 14984 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:1a:2c:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83895sec preferred_lft 83895sec inet6 fe80::f816:3eff:fe1a:2c81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:36:94:dd:ac:3f 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::6c36:94ff:fedd:ac3f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39754) 08/21/26 _x86_64_ (4 CPU) 20:12:03 LINUX RESTART (4 CPU) 20:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:01 26.41 0.01 23.43 2.97 0.39 2187.66 9788.84 20:40:08 20.94 0.03 19.05 1.86 0.66 3699.36 7618.63 20:50:01 25.49 1.75 22.61 1.13 307.61 9308.51 3788.45 Average: 24.26 0.59 21.68 1.99 101.74 5044.34 7079.53 20:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:01 9123712 13029812 2926860 17.88 149244 3854336 3064756 17.59 750260 6092644 29628 20:40:08 7543308 12381312 3571400 21.81 167824 4729148 3282788 18.84 1041384 7326116 1572 20:50:01 7834104 15364528 576996 3.52 196188 7286056 1294768 7.43 1955332 5971440 548 Average: 8167041 13591884 2358419 14.40 171085 5289847 2547437 14.62 1248992 6463400 10583 20:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:01 lo 1484.95 1484.95 1409.81 1409.81 0.00 0.00 0.00 0.00 20:30:01 ens3 21.55 19.61 11.19 6.41 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:08 lo 743.15 743.15 700.00 700.00 0.00 0.00 0.00 0.00 20:40:08 ens3 18.27 16.58 21.08 5.33 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 2568.59 2568.59 9391.15 9391.15 0.00 0.00 0.00 0.00 20:50:01 ens3 103.30 98.30 351.30 1205.04 0.00 0.00 0.00 0.00 20:50:01 docker0 71.82 67.16 1198.54 7.76 0.00 0.00 0.00 0.00 20:50:01 vethe4af235 71.81 67.17 1199.53 7.76 0.00 0.00 0.00 0.10 Average: lo 1592.12 1592.12 3801.37 3801.37 0.00 0.00 0.00 0.00 Average: ens3 47.39 44.52 126.63 401.14 0.00 0.00 0.00 0.00 Average: docker0 23.67 22.14 395.06 2.56 0.00 0.00 0.00 0.00 Average: vethe4af235 23.67 22.14 395.39 2.56 0.00 0.00 0.00 0.03 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39754) 08/21/26 _x86_64_ (4 CPU) 20:12:03 LINUX RESTART (4 CPU) 20:20:01 CPU %user %nice %system %iowait %steal %idle 20:30:01 all 68.09 0.00 2.43 0.05 0.11 29.33 20:30:01 0 68.14 0.00 2.11 0.03 0.11 29.62 20:30:01 1 69.09 0.00 2.54 0.02 0.11 28.24 20:30:01 2 67.78 0.00 2.56 0.07 0.11 29.48 20:30:01 3 67.35 0.00 2.50 0.07 0.11 29.97 20:40:08 all 42.06 0.00 1.77 0.17 0.09 55.91 20:40:08 0 40.08 0.00 1.91 0.51 0.09 57.40 20:40:08 1 41.78 0.00 1.72 0.03 0.09 56.37 20:40:08 2 43.02 0.00 1.84 0.04 0.09 55.01 20:40:08 3 43.36 0.00 1.60 0.11 0.09 54.84 20:50:01 all 37.26 0.00 2.00 0.15 0.07 60.51 20:50:01 0 34.93 0.00 2.25 0.20 0.08 62.55 20:50:01 1 42.48 0.00 1.62 0.11 0.07 55.72 20:50:01 2 40.13 0.00 2.11 0.17 0.08 57.51 20:50:01 3 31.51 0.00 2.04 0.13 0.07 66.25 Average: all 49.14 0.00 2.07 0.13 0.09 48.58 Average: 0 47.72 0.00 2.09 0.25 0.09 49.85 Average: 1 51.10 0.00 1.96 0.05 0.09 46.79 Average: 2 50.31 0.00 2.17 0.09 0.09 47.34 Average: 3 47.44 0.00 2.04 0.10 0.09 50.32