---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1428 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: 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 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 721 11103 3 4164 14925 Swap: 1023 2 1021 ---> 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:63:a9:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80669sec preferred_lft 80669sec inet6 fe80::f816:3eff:fe63:a983/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:64:b5:eb:56:13 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::4464:b5ff:feeb:5613/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1428) 04/09/26 _x86_64_ (4 CPU) 06:11:28 LINUX RESTART (4 CPU) 06:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:00 81.29 23.90 54.26 3.13 356.98 5523.08 4720.00 06:40:01 21.12 0.11 19.93 1.08 4.10 770.75 565.39 06:50:04 14.52 0.07 13.75 0.70 4.64 372.57 221.77 07:00:04 4.68 0.00 4.51 0.17 0.37 106.56 58.41 07:10:01 5.38 0.02 5.16 0.21 1.58 141.60 90.01 07:20:04 6.24 0.21 5.82 0.21 9.65 141.04 57.05 07:30:04 21.25 0.08 5.38 15.79 1.07 145.93 211505.11 07:40:01 9.65 0.06 9.20 0.39 4.48 536.37 286.49 Average: 20.46 3.03 14.72 2.71 47.56 962.75 27202.55 06:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:00 2374696 5550108 10382208 63.41 266680 2908772 12270408 70.43 2155064 11285584 412 06:40:01 6573828 9861284 6072740 37.09 272236 3015032 6854488 39.34 2207200 7033336 520 06:50:04 8067044 11397612 4539332 27.72 274852 3055524 5321604 30.55 2213628 5538916 252 07:00:04 8059176 11400632 4536492 27.71 275628 3065636 5337524 30.64 2215036 5549304 448 07:10:01 6647392 10005564 5930592 36.22 276324 3081712 6707848 38.50 2217480 6955080 428 07:20:04 6666608 10042912 5893296 35.99 277488 3098684 6709452 38.51 2222988 6932248 344 07:30:04 7946368 11346940 4589924 28.03 279988 3120440 5389428 30.94 2232024 5646492 252 07:40:01 7786804 11306280 4630532 28.28 283844 3233016 5230308 30.02 2246548 5782196 292 Average: 6765240 10113916 5821890 35.56 275880 3072352 6727632 38.62 2213746 6840394 368 06:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:00 lo 29.83 29.83 20.93 20.93 0.00 0.00 0.00 0.00 06:30:00 ens3 2.19 2.09 0.64 0.56 0.00 0.00 0.00 0.00 06:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:01 lo 42.35 42.35 16.85 16.85 0.00 0.00 0.00 0.00 06:40:01 ens3 1.68 1.42 0.43 0.39 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:04 lo 22.23 22.23 10.87 10.87 0.00 0.00 0.00 0.00 06:50:04 ens3 1.13 0.96 0.21 0.87 0.00 0.00 0.00 0.00 06:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:04 lo 11.66 11.66 5.52 5.52 0.00 0.00 0.00 0.00 07:00:04 ens3 1.32 0.93 0.39 0.73 0.00 0.00 0.00 0.00 07:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 29.85 29.85 11.80 11.80 0.00 0.00 0.00 0.00 07:10:01 ens3 0.65 0.44 0.15 0.10 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:04 lo 12.94 12.94 6.72 6.72 0.00 0.00 0.00 0.00 07:20:04 ens3 0.92 0.54 0.26 0.18 0.00 0.00 0.00 0.00 07:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:04 lo 17.57 17.57 10.01 10.01 0.00 0.00 0.00 0.00 07:30:04 ens3 0.60 0.46 0.13 0.09 0.00 0.00 0.00 0.00 07:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 21.39 21.39 10.30 10.30 0.00 0.00 0.00 0.00 07:40:01 ens3 0.96 0.84 0.25 0.21 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 Average: lo 23.47 23.47 11.61 11.61 0.00 0.00 0.00 0.00 Average: ens3 1.18 0.96 0.31 0.39 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-16g-1428) 04/09/26 _x86_64_ (4 CPU) 06:11:28 LINUX RESTART (4 CPU) 06:20:04 CPU %user %nice %system %iowait %steal %idle 06:30:00 all 66.69 0.00 2.54 0.13 0.13 30.51 06:30:00 0 67.07 0.00 2.41 0.13 0.13 30.26 06:30:00 1 66.31 0.00 2.62 0.15 0.13 30.78 06:30:00 2 66.51 0.00 2.55 0.11 0.13 30.69 06:30:00 3 66.85 0.00 2.60 0.10 0.13 30.32 06:40:01 all 37.68 0.00 1.42 0.06 0.11 60.73 06:40:01 0 37.63 0.00 1.36 0.04 0.10 60.87 06:40:01 1 37.90 0.00 1.41 0.10 0.10 60.48 06:40:01 2 38.35 0.00 1.47 0.09 0.11 59.98 06:40:01 3 36.86 0.00 1.43 0.02 0.11 61.58 06:50:04 all 25.67 0.00 0.90 0.04 0.08 73.30 06:50:04 0 24.00 0.00 0.87 0.06 0.08 74.99 06:50:04 1 25.99 0.00 0.95 0.08 0.08 72.90 06:50:04 2 26.44 0.00 0.97 0.01 0.09 72.49 06:50:04 3 26.25 0.00 0.83 0.02 0.08 72.82 07:00:04 all 6.91 0.00 0.36 0.02 0.08 92.64 07:00:04 0 6.53 0.00 0.31 0.02 0.08 93.07 07:00:04 1 7.32 0.00 0.41 0.06 0.09 92.13 07:00:04 2 6.90 0.00 0.37 0.01 0.08 92.64 07:00:04 3 6.87 0.00 0.35 0.00 0.07 92.70 07:10:01 all 11.59 0.00 0.55 0.02 0.08 87.75 07:10:01 0 11.38 0.00 0.57 0.01 0.08 87.96 07:10:01 1 11.73 0.00 0.53 0.03 0.09 87.63 07:10:01 2 11.73 0.00 0.58 0.01 0.08 87.59 07:10:01 3 11.51 0.00 0.53 0.05 0.08 87.83 07:20:04 all 9.48 0.00 0.55 0.03 0.08 89.87 07:20:04 0 9.24 0.00 0.42 0.02 0.08 90.24 07:20:04 1 9.70 0.00 0.68 0.05 0.09 89.48 07:20:04 2 9.46 0.00 0.59 0.01 0.09 89.86 07:20:04 3 9.50 0.00 0.51 0.02 0.08 89.88 07:30:04 all 8.84 0.00 0.40 0.07 0.08 90.60 07:30:04 0 8.96 0.00 0.40 0.06 0.08 90.51 07:30:04 1 9.03 0.00 0.48 0.11 0.09 90.30 07:30:04 2 9.02 0.00 0.42 0.12 0.09 90.36 07:30:04 3 8.36 0.00 0.31 0.01 0.08 91.24 07:40:01 all 16.45 0.00 0.76 0.14 0.07 82.59 07:40:01 0 16.35 0.00 0.73 0.09 0.07 82.77 07:40:01 1 16.09 0.00 0.78 0.12 0.08 82.93 07:40:01 2 17.71 0.00 0.88 0.03 0.07 81.32 07:40:01 3 15.63 0.00 0.64 0.32 0.07 83.34 Average: all 22.87 0.00 0.93 0.06 0.09 76.05 Average: 0 22.60 0.00 0.88 0.05 0.09 76.38 Average: 1 22.96 0.00 0.98 0.09 0.09 75.88 Average: 2 23.21 0.00 0.98 0.05 0.09 75.67 Average: 3 22.69 0.00 0.90 0.07 0.09 76.25